> TerminalSkills/skills

> 3dsmax-rendering

Configure and optimize rendering in 3ds Max — V-Ray and Corona render settings, render elements, light mix, batch rendering, network rendering, denoising, and post-production workflows. Use when tasks involve setting up production renders, optimizing render times, batch rendering multiple views, or configuring render farms for archviz and product visualization.

> 3dsmax-scripting

Automate 3ds Max with MAXScript and Python — scene manipulation, object creation, material assignment, camera setup, batch operations, UI tools, and file I/O. Use when tasks involve automating repetitive 3ds Max workflows, batch processing scenes, creating custom tools, or scripting scene setup for archviz, product visualization, or VFX.

> 3proxy

Deploy and configure 3proxy — a lightweight universal proxy server. Use when a user asks to set up HTTP, HTTPS, SOCKS4, SOCKS5, or transparent proxies, build proxy chains, configure authentication, set bandwidth limits, manage access control lists, set up proxy rotation, create multi-port proxy servers, configure logging and traffic accounting, or deploy a lightweight proxy without heavy VPN overhead. Covers all 3proxy features including proxy chaining, ACLs, traffic shaping, and multi-protocol

> a2a-protocol

Builds Agent-to-Agent (A2A) servers and clients following Google's open protocol for agent interoperability. Use when the user wants to create an A2A-compliant agent, build an Agent Card, implement task management, connect agents across frameworks, set up agent discovery, handle streaming responses, implement push notifications, or orchestrate multi-agent workflows. Trigger words: a2a, agent to agent, agent2agent, a2a protocol, a2a server, a2a client, agent card, agent interoperability, agent co

> a2a-sdk

You are an expert in the A2A (Agent-to-Agent) Protocol, Google's open standard for inter-agent communication. You help developers build agents that discover, communicate, and delegate tasks to other agents across organizations and platforms — with agent cards for capability discovery, task lifecycle management, streaming updates, and push notifications, enabling a web of interoperable AI agents.

> ably

You are an expert in Ably, the enterprise-grade realtime messaging platform. You help developers add pub/sub messaging, presence, chat, live updates, and event streaming to applications with guaranteed message ordering, exactly-once delivery, automatic reconnection, and global edge infrastructure — handling millions of messages per second with 99.999% uptime SLA.

> ab-test-setup

When the user wants to plan, design, or implement an A/B test or experiment. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," or "hypothesis." For tracking implementation, see analytics-tracking.

> accessibility-auditor

Audit web pages and components for WCAG 2.2 accessibility compliance. Use when a user asks to check accessibility, find a11y issues, audit for WCAG compliance, fix screen reader problems, check color contrast, ensure keyboard navigation works, or prepare for accessibility regulations like the European Accessibility Act or ADA.

> act

Run GitHub Actions locally with act. Use when a user asks to test GitHub Actions workflows locally, debug CI pipelines without pushing, or run workflows offline.

> activepieces

Build workflow automations with Activepieces. Use when a user asks to self-host a Zapier alternative, automate workflows with a visual builder, create no-code integrations, or set up open-source business automation.

> actix-web

Actix Web is a powerful, high-performance web framework for Rust. It provides async handlers, type-safe extractors, middleware, and integrates with the Rust ecosystem for building fast, reliable, and memory-safe web services.

> ad-campaign-optimization

Optimize paid advertising campaigns across Google Ads, Meta, TikTok, LinkedIn, and other platforms. Use when tasks involve bid optimization, audience targeting, creative testing, ROAS improvement, attribution modeling, budget allocation, campaign structure, retargeting strategies, lookalike audiences, or reducing customer acquisition cost. Covers multi-platform campaign management and creative performance analysis.

> adonisjs

Build full-stack web applications with AdonisJS — a batteries-included Node.js framework with ORM, auth, validation, and mailer built-in. Use when someone asks to "build a web app with Node.js", "Laravel for Node.js", "full-stack Node framework", "AdonisJS", "batteries-included backend", or "Node.js with built-in ORM and auth". Covers Lucid ORM, auth (sessions, tokens, social), VineJS validation, Edge templates, and deployment.

> after-effects

Automate Adobe After Effects workflows. Use when a user asks to script After Effects with ExtendScript or CEP, batch render compositions, automate motion graphics templates (MOGRTs), build render pipelines with aerender, create expressions for animations, manage project files programmatically, automate text and image replacements in templates, build data-driven motion graphics, integrate After Effects with CI/CD, or control AE via command line. Covers ExtendScript, CEP panels, expressions, aeren

> ag2

You are an expert in AG2 (formerly AutoGen), the open-source multi-agent conversation framework. You help developers build systems where multiple AI agents collaborate through structured conversations — with tool use, human-in-the-loop, code execution, group chat orchestration, and nested conversations — for complex tasks like software development, research, and data analysis.

> agent-memory

Add persistent memory to AI coding agents — file-based, vector, and semantic search memory systems that survive between sessions. Use when a user asks to "remember this", "add memory to my agent", "persist context between sessions", "build a knowledge base for my agent", "set up agent memory", or "make my AI remember things". Covers file-based memory (MEMORY.md), SQLite with embeddings, vector databases (ChromaDB, Pinecone), semantic search, memory consolidation, and automatic context injection.

> agent-sandbox

Run AI agent code safely in isolated sandboxes with resource limits, audit trails, and kill switches. Use when someone asks to "sandbox my agent", "run agent code safely", "add guardrails to AI agent", "isolate agent execution", "audit agent actions", "prevent agent from deleting files", "restrict agent permissions", or "add safety controls to AI coding agent". Covers Docker isolation, filesystem restrictions, network policies, resource locking, and comprehensive audit logging.

> agent-swarm-orchestration

Coordinate multiple AI agents working together on complex tasks — routing, handoffs, consensus, memory sharing, and quality gates. Use when tasks involve building multi-agent systems, coordinating specialist agents in a pipeline, implementing agent-to-agent communication, designing swarm architectures, setting up agent orchestration frameworks, or building autonomous agent teams with supervision and quality control. Covers hierarchical, mesh, and pipeline topologies.

> ag-ui

You are an expert in AG-UI (Agent-User Interaction Protocol), the open standard by CopilotKit for connecting AI agents to frontend UIs. You help developers stream agent actions, tool calls, state updates, and text generation to React components in real-time — enabling rich agent UIs where users see what the agent is thinking, doing, and can intervene at any step.

> aider

You are an expert in Aider, the terminal-based AI coding assistant that reads your codebase, makes changes across multiple files, and creates proper git commits. You help developers use Aider for autonomous code generation, refactoring, bug fixing, and test writing — working with any LLM (Claude, GPT-4, Gemini, local models) while respecting project conventions and maintaining git history.

> ai-eval-ci

Run AI agent and LLM evaluations in CI/CD pipelines — automated quality gates that fail the build when AI output quality drops. Use when someone asks to "test my AI agent", "add evals to CI", "catch prompt regressions", "compare models", "evaluate LLM output quality", "set up AI quality gates", or "benchmark my agent before deploying". Covers eval frameworks (Cobalt, Promptfoo, Braintrust), LLM-as-judge scoring, threshold-based assertions, and GitHub Actions integration.

> ai-guardrails

Implement safety guardrails for AI systems — content filtering, prompt injection detection, output validation, bias mitigation, and responsible AI practices. Use when tasks involve adding safety layers to LLM applications, detecting prompt injection attacks, filtering harmful content, implementing rate limiting for AI APIs, validating LLM outputs against schemas, building moderation pipelines, or ensuring AI systems comply with safety policies.

> ai-pentesting

Run autonomous AI-driven penetration tests on web applications using tools like Shannon, PentAGI, and similar frameworks. Use when tasks involve setting up automated penetration testing pipelines, combining AI agents with security tools (nmap, subfinder, nuclei, sqlmap), building autonomous exploit chains, generating pentest reports with proof-of-concept exploits, or integrating AI pentesting into CI/CD pipelines. Covers the full pentest lifecycle from reconnaissance to reporting using AI orches

> airbyte

You are an expert in Airbyte, the open-source data integration platform with 300+ pre-built connectors. You help developers sync data from SaaS tools, databases, and APIs into data warehouses and lakes — handling incremental syncs, CDC (Change Data Capture), schema evolution, and error recovery for production data pipelines.

> airflow

Apache Airflow is a platform for programmatically authoring, scheduling, and monitoring workflows. Learn to write DAGs, use operators, set up connections, configure scheduling, and deploy with Docker Compose.

> airtable

Build integrations with the Airtable Web API — bases, tables, records, fields, views, webhooks, and OAuth. Use when tasks involve reading or writing Airtable data, syncing external sources with Airtable bases, building automations triggered by record changes, or migrating data to/from Airtable.

> ai-sdk

You are an expert in the Vercel AI SDK, the TypeScript toolkit for building AI-powered applications. You help developers integrate LLMs (OpenAI, Anthropic, Google, Mistral, Ollama) with React Server Components, streaming UI, tool calling, structured output with Zod schemas, RAG pipelines, multi-step agents, and edge-compatible AI features — the standard way to add AI to Next.js, Nuxt, SvelteKit, and any Node.js app.

> ai-slides

Generate complete presentations with AI — from outline to polished slides. Use when a user asks to create a presentation, build slides, make a pitch deck, generate a slide deck, create a keynote, prepare a talk, build a demo presentation, or produce any slide-based content.

> alembic

Manage database migrations with Alembic. Use when a user asks to version database schemas, create migration scripts, handle schema changes in production, or manage SQLAlchemy model migrations.

> alert-optimizer

Restructure and optimize alert rules for monitoring platforms (Sentry, PagerDuty, Datadog, OpsGenie). Use when someone asks to "reduce alert noise", "fix alert fatigue", "create alert rules", "set up escalation policies", "tune alerting thresholds", or "create on-call runbooks". Generates platform-specific alert configurations and tiered escalation policies.

> algo-trading

Build algorithmic trading systems — backtesting, strategy development, live execution, and risk management. Use when tasks involve backtesting trading strategies, connecting to exchange APIs (Binance, Alpaca, Interactive Brokers), implementing technical indicators, portfolio optimization, order execution, risk management rules, market data processing, or building trading bots. Covers both crypto and traditional markets.

> alpine

Alpine.js is a lightweight JavaScript framework for adding interactivity to HTML markup. It provides reactive data, event handling, and DOM manipulation through HTML attributes — like a modern jQuery replacement with declarative syntax.

> amqplib

You are an expert in amqplib, the Node.js client for RabbitMQ and AMQP 0-9-1 protocol. You help developers implement reliable message queuing with work queues, pub/sub fanout, topic routing, RPC patterns, dead letter queues, and message acknowledgment — building decoupled microservices that communicate asynchronously through RabbitMQ.

> analytics-tracking

When the user wants to set up, improve, or audit analytics tracking and measurement. Also use when the user mentions "set up tracking," "GA4," "Google Analytics," "conversion tracking," "event tracking," "UTM parameters," "tag manager," "GTM," "analytics implementation," or "tracking plan." For A/B test measurement, see ab-test-setup.

> angular

Angular is Google's TypeScript-based frontend framework for building scalable single-page applications. It provides components, dependency injection, RxJS-based reactivity, routing, forms, HTTP client, and a powerful CLI for development.

> ansible

Configuration management and automation with Ansible. Use when the user needs to write playbooks, manage inventory, create roles, use Ansible Vault for secrets, or orchestrate multi-server deployments across environments.

> anthropic-sdk

Integrate Claude AI into applications with the Anthropic SDK. Use when a user asks to add Claude to an app, use Claude for text generation, build a chatbot with Claude, use Claude's long context window, implement tool use with Claude, stream Claude responses, use Claude for code generation, document analysis, or reasoning tasks. Covers Messages API, streaming, tool use, vision, system prompts, extended thinking, and batch processing.

> apache-arrow

Expert guidance for Apache Arrow, the cross-language columnar memory format for analytics workloads. Helps developers use Arrow for high-performance data interchange between systems, zero-copy reads, and efficient columnar processing in Python (PyArrow) and JavaScript (Arrow JS).

> apache-spark

Process large-scale data with Apache Spark. Use when a user asks to process big data, run distributed computations, build ETL pipelines, perform data analysis at scale, or use PySpark for data engineering.

> api-load-tester

Generates and executes load test scripts for APIs using k6, wrk, or autocannon. Creates realistic test scenarios from OpenAPI specs, route files, or endpoint descriptions. Use when someone needs to load test, stress test, benchmark, or find the breaking point of their API. Trigger words: load test, stress test, benchmark, RPS, concurrent users, breaking point, performance test, k6, wrk.

> api-tester

Test REST and GraphQL API endpoints with structured assertions and reporting. Use when a user asks to test an API, hit an endpoint, check if an API works, validate a response, debug an API call, test authentication flows, or verify API contracts. Supports GET, POST, PUT, PATCH, DELETE with headers, body, auth, and response validation.

> api-versioning

Version REST and GraphQL APIs. Use when a user asks to version an API, handle breaking changes, implement API deprecation, manage multiple API versions, or design an API evolution strategy.

> apollo-client

You are an expert in Apollo Client, the comprehensive GraphQL client for React applications. You help developers fetch data with GraphQL queries and mutations, manage local and remote state with Apollo's normalized cache, implement optimistic UI updates, handle pagination, and configure authentication — providing a complete data management solution for GraphQL-powered apps.

> appium

When the user wants to automate mobile app testing on iOS and Android using Appium. Also use when the user mentions "appium," "mobile automation," "iOS testing," "Android testing," "mobile WebDriver," "XCUITest," or "UiAutomator." For React Native-specific testing, see detox.

> applicant-screening

Screen job applications against requirements and score candidates objectively. Use when a user asks to review applications, evaluate candidates, screen resumes, rank applicants, assess qualifications against a job description, shortlist candidates, or build a hiring scorecard.

> appsmith

Build internal tools, admin panels, and dashboards with Appsmith. Use when a user asks to create CRUD interfaces, connect to databases or APIs with drag-and-drop widgets, write JSObjects for business logic, or self-host Appsmith with Docker or Kubernetes.

> app-store-optimization

Optimize mobile app listings for discovery and conversion in Apple App Store and Google Play. Use when tasks involve ASO keyword research, title and subtitle optimization, screenshot and preview video design, A/B testing store listings, review management, localization for international markets, tracking keyword rankings, or improving download conversion rates. Covers both iOS and Android store algorithms and best practices.

> appwrite

Build backends with Appwrite — open-source Backend-as-a-Service. Use when a user asks to set up user authentication, manage a database without writing backend code, handle file storage and uploads, add realtime subscriptions, set up cloud functions, build a mobile or web app backend, replace Firebase with an open-source alternative, or self-host a BaaS platform. Covers auth, databases, storage, functions, realtime, and SDK integration for web, mobile, and server-side.

> archiver

Create ZIP and TAR archives programmatically with Archiver — bundle files, directories, and streams into compressed archives with progress tracking. Use when tasks involve generating downloadable bundles, backing up directories, creating deployment packages, or building export features that zip multiple files together.

> arcjet

Expert guidance for Arcjet, the developer-first security platform that provides rate limiting, bot protection, email validation, and attack detection as a code-first SDK. Helps developers add security layers to Next.js, Node.js, and other JavaScript/TypeScript applications without managing infrastructure.

> argocd

Argo CD for GitOps continuous delivery on Kubernetes. Use when the user needs to define applications declaratively, sync Kubernetes manifests from Git repositories, manage sync policies, and implement progressive delivery workflows.

> arize

You are an expert in Arize and its open-source Phoenix library for AI observability. You help developers monitor LLM applications with tracing, evaluation, embedding analysis, drift detection, and retrieval quality metrics — using Phoenix for local development (open-source, self-hosted) and Arize platform for production monitoring at scale.

> arktype

Define runtime-validated types with ArkType — TypeScript's 1:1 validator. Use when someone asks to "validate data in TypeScript", "runtime type checking", "ArkType", "type-safe validation", "alternative to Zod", "faster validation library", or "validate with TypeScript syntax". Covers type definitions, validation, morphs (transforms), scopes, and comparison with Zod.

> artillery

When the user wants to perform load testing or performance testing using Artillery with YAML-based scenario definitions. Also use when the user mentions "artillery," "YAML load test," "WebSocket testing," "Socket.io load test," "scenario-based load testing," or "artillery run." For JavaScript-based load testing, see k6.

> astro

Assists with building content-driven websites using Astro's island architecture. Use when creating static sites, blogs, documentation, or marketing pages that ship zero JavaScript by default. Trigger words: astro, static site, island architecture, content collections, SSG, hybrid rendering, astro components.

> atuin

You are an expert in Atuin, the Rust-based shell history tool that replaces your shell's built-in history with a searchable, syncable, context-aware database. You help developers set up fuzzy search across shell history, sync history across machines, filter by directory/host/session, and analyze command usage — turning shell history from a flat text file into a powerful productivity tool.

> audiowaveform

Generate waveform visualizations from audio files. Use when a user asks to create waveform images, build audio player visualizations, generate waveform data for web players, create podcast episode previews, build audio thumbnails, render waveform PNGs for social media, extract peak data as JSON, or integrate waveform generation into audio processing pipelines. Covers audiowaveform CLI, JSON/binary data output, and web player integration.

> authjs

You are an expert in Auth.js (formerly NextAuth.js), the authentication library for web frameworks. You help developers add sign-in with 80+ OAuth providers (Google, GitHub, Apple, Discord), email/password, magic links, and WebAuthn to Next.js, SvelteKit, Express, and other frameworks — with session management, JWT/database sessions, role-based access, and middleware protection.

> auth-system-setup

When the user wants to set up authentication and authorization for a web application. Use when the user mentions "auth," "login," "OAuth," "SSO," "single sign-on," "role-based access," "RBAC," "permissions," "user roles," "access control," "authentication," or "authorization." Covers OAuth 2.0 provider integration, session management, and role/permission architecture. For JWT-specific tasks, see jwt-handler. For security review, see security-audit.

> automatic1111

Feature-rich Stable Diffusion Web UI for image generation. Supports txt2img, img2img, inpainting, outpainting, LoRA, extensions, upscaling, and batch processing. Widely used desktop interface with an extensive extension ecosystem and API access.

> aws-cli

AWS Command Line Interface for managing Amazon Web Services. Use when the user needs to interact with S3, EC2, Lambda, CloudWatch, IAM, and other AWS services directly from the terminal for operations, scripting, and automation.

> aws-cloudfront

Configure Amazon CloudFront for global content delivery. Set up distributions with S3 and ALB origins, define cache behaviors and TTLs, invalidate cached content, and use Lambda@Edge for request/response manipulation at the edge.

> aws-cognito

Implement authentication with Amazon Cognito. Create user pools for sign-up and sign-in, configure identity pools for AWS access, handle JWT tokens, set up social federation with Google and Facebook, and secure APIs with Cognito authorizers.

> aws-dynamodb

Build with Amazon DynamoDB for fast, scalable NoSQL storage. Design tables with partition and sort keys, create GSI and LSI for flexible queries, enable streams for change data capture, and apply single-table design patterns for efficient data modeling.

> aws-ec2

Launch and manage Amazon EC2 instances for scalable compute. Configure AMIs, security groups, key pairs, and EBS volumes. Set up auto-scaling groups for high availability and cost optimization across availability zones.

> aws-ecs

Run containerized applications with Amazon ECS. Define tasks and services, deploy on Fargate for serverless containers or EC2 for full control. Configure load balancing, auto-scaling, and service discovery for production workloads.

> aws-lambda

You are an expert in AWS Lambda, Amazon's serverless compute service. You help developers build event-driven applications using Lambda functions triggered by API Gateway, S3 events, SQS queues, DynamoDB streams, and scheduled events — with support for Node.js, Python, Go, Rust, Java, and container images, automatic scaling from zero to thousands of concurrent executions, and pay-per-invocation pricing.

> aws-rds

Manage Amazon RDS for fully managed relational databases. Provision MySQL, PostgreSQL, and Aurora instances with automated backups and patching. Configure read replicas for scaling, snapshots for recovery, and Aurora Serverless for variable workloads.

> aws-ses

Send transactional and marketing emails with Amazon SES. Verify domains and identities, create reusable email templates, configure receipt rules for incoming mail, and handle bounces and complaints with SNS notifications.

> aws-sns

Use Amazon SNS for pub/sub messaging and notifications. Create topics and manage subscriptions across protocols (SQS, Lambda, HTTP, email, SMS). Configure message filtering, mobile push notifications, and fan-out architectures.

> aws-sqs

Work with Amazon SQS for reliable message queuing. Create standard and FIFO queues, configure dead-letter queues for failed messages, send and receive messages in batches, and build decoupled event-driven architectures.

> axiom

Expert guidance for Axiom, the serverless log management and analytics platform that stores and queries unlimited data at fixed cost. Helps developers ingest logs, traces, and events from any source, query them with APL (Axiom Processing Language), build dashboards, and set up alerts — all without managing infrastructure or worrying about per-GB pricing.

> axum

You are an expert in Axum, the web framework built on top of Tokio and Tower by the Tokio team. You help developers build high-performance, type-safe APIs and web services using Axum's extractor-based handler system, middleware via Tower layers, WebSocket support, and compile-time route validation — achieving C-level performance with Rust's memory safety guarantees.

> azure-blob-storage

Store and manage unstructured data with Azure Blob Storage. Create containers, upload and organize blobs, configure access tiers (Hot, Cool, Archive) for cost optimization, generate SAS tokens for secure temporary access, and set lifecycle management policies.

> azure-cli

Azure Command Line Interface for managing Microsoft Azure resources. Use when the user needs to create VMs, manage storage accounts, deploy functions, configure resource groups, and automate Azure operations from the terminal.

> azure-cosmos-db

Build globally distributed apps with Azure Cosmos DB. Work with multiple data models (document, key-value, graph), configure global replication with tunable consistency levels, manage throughput with RU/s, and query with SQL API.

> azure-functions

Build serverless applications with Azure Functions. Create HTTP and event-driven functions with input/output bindings, configure triggers for queues, timers, and blob storage. Use Durable Functions for stateful orchestration workflows.

> babylonjs

You are an expert in Babylon.js, the powerful open-source 3D engine for web browsers with WebGL and WebGPU support. You help developers build games, product configurators, architectural visualizations, VR/AR experiences, and interactive 3D applications — using Babylon's scene graph, PBR materials, Havok physics, particle systems, GUI, animation, and XR support for production-grade 3D on the web.

> baserow

Build database-powered applications with Baserow, the open-source no-code database. Use when a user asks to create spreadsheet databases, build API-connected workflows, manage relational data, or self-host Baserow as an Airtable alternative.

> batch-processor

Process multiple documents in bulk with parallel execution. Use when a user asks to batch process files, convert many documents at once, run parallel file operations, bulk rename, bulk transform, or process a directory of files concurrently. Covers parallel execution, error handling, and progress tracking.

> better-auth

Add authentication to any framework with Better Auth. Use when a user asks to implement auth, set up login/signup, add OAuth providers, implement session management, or choose between auth libraries for TypeScript apps.

> betterstack

Expert guidance for Better Stack (formerly Better Uptime + Logtail), the observability platform combining uptime monitoring, log management, incident response, and status pages. Helps developers set up comprehensive monitoring with alerting, on-call schedules, and public status pages.

> bigcommerce

Build enterprise e-commerce with BigCommerce. Use when a user asks to set up a large-scale online store, use a hosted e-commerce platform with headless API, integrate with Next.js Commerce, or migrate from Shopify to a more API-friendly platform.

> billing-automation

Automate invoice generation, billing workflows, payment tracking, and revenue recognition for SaaS and service businesses. Use when building billing pipelines, usage-based invoicing, subscription management, payment reminders, or financial reporting. Trigger words: invoice, billing, payment, subscription, usage billing, revenue recognition, accounts receivable, payment reminder, overdue invoice, billing cycle, proration, Stripe billing.

> biome

You are an expert in Biome, the Rust-based toolchain that replaces ESLint and Prettier with a single, fast tool. You help developers configure linting, formatting, and import sorting for JavaScript, TypeScript, JSX, JSON, and CSS — achieving 100x faster execution than ESLint+Prettier with zero configuration, unified diagnostics, and IDE integration.

> bitbucket

Manage repositories, pipelines, and code review with Bitbucket Cloud. Use when a user asks to set up Bitbucket repositories, configure Bitbucket Pipelines for CI/CD, manage pull requests, set up branch permissions, use Bitbucket REST API 2.0, create webhooks, manage deployment environments, set up code review workflows, integrate with Jira, configure merge checks, or automate repository operations. Covers repository management, CI/CD pipelines, code review, deployments, and Atlassian ecosystem i

> blender-3d-modeling

Create 3D models procedurally with Blender Python. Use when the user wants to generate meshes from code, build geometry with bmesh, apply modifiers, create parametric shapes, procedural landscapes, grids, curves, or any programmatic 3D modeling in Blender.

> blender-addon-dev

Build custom Blender add-ons with Python. Use when the user wants to create a Blender add-on, register operators, build UI panels, add custom properties, create menus, package an add-on for distribution, or extend Blender with custom tools and workflows.

> blender-animation

Animate 3D objects and characters in Blender with Python. Use when the user wants to keyframe properties, create armatures and rigs, set up IK/FK chains, animate shape keys for facial animation, edit F-Curves, use the NLA editor to blend actions, add drivers for expression-based animation, or script any animation workflow in Blender.

> blender-compositing

Automate Blender compositing and post-processing with Python. Use when the user wants to set up compositor nodes, add post-processing effects, color correct renders, combine render passes, apply blur or glare, key green screens, create node-based VFX pipelines, or script the Blender compositor.

> blender-grease-pencil

Create 2D art and animation in Blender using Grease Pencil and Python. Use when the user wants to draw strokes programmatically, create 2D animations, build Grease Pencil objects from code, manage GP layers and frames, apply GP modifiers, set up drawing guides, or script any Grease Pencil workflow in Blender.

> blender-motion-capture

Automate motion capture and tracking workflows in Blender with Python. Use when the user wants to import BVH or FBX mocap data, retarget motion to armatures, track camera or object motion from video, solve camera motion, clean up motion capture data, or script any tracking pipeline in Blender.

> blender-render-automation

Automate Blender rendering from the command line. Use when the user wants to set up renders, batch render scenes, configure Cycles or EEVEE, set up cameras and lights, render animations, create materials and shaders, or build a render pipeline with Blender Python scripting.

> blender-scripting

Write and run Blender Python scripts for 3D automation. Use when the user wants to automate Blender tasks, run headless scripts, manipulate scenes, batch process .blend files, import/export 3D models, manage objects, or script Blender from the command line using the bpy API.

> blender-vse-pipeline

Automate video editing in Blender's Video Sequence Editor with Python. Use when the user wants to add video, image, or audio strips, create transitions, apply effects, build edit timelines, batch assemble footage, estimate render times, or script any VSE workflow from the command line.

> blog-article-design

Design and implement high-quality blog post and article page layouts with professional typography, spacing, and visual hierarchy. Use when building blog pages, article templates, technical documentation readers, use-case pages, or long-form content layouts. Covers dark and light themes.

> bolt

You are an expert in Bolt.new by StackBlitz, the AI-powered full-stack development environment that runs entirely in the browser. You help developers go from idea to deployed app in minutes using natural language prompts — Bolt generates complete applications with frontend, backend, database, and deployment, all running in a WebContainer without local setup.

> braintrust

You are an expert in Braintrust, the evaluation and observability platform for AI applications. You help developers run systematic evaluations, compare model versions, track experiments, log production traces, and measure quality metrics — with a focus on making AI development as rigorous as traditional software testing.

> brand-guidelines

Create and maintain brand style guides for consistent visual identity. Use when a user asks to create brand guidelines, build a style guide, define a brand identity, create a design system document, establish brand colors and typography, or produce any brand standards documentation.

> browserbase

You are an expert in BrowserBase, the cloud platform for running headless browsers at scale. You help developers deploy browser-based automations, AI agents, and web scraping pipelines using managed Chromium instances with residential proxies, session recording, stealth mode, and parallel execution — without managing browser infrastructure.

> browser-use

You are an expert in Browser Use, the Python library that lets AI agents control a web browser. You help developers build agents that can navigate websites, fill forms, click buttons, extract data, and complete multi-step web tasks — using vision and DOM understanding to interact with any website like a human would.

> bruno

Test and debug APIs with Bruno, the open-source API client. Use when a user asks to create API requests, organize collections, write test scripts, use environments and variables, or collaborate on API workflows stored in Git.

> bull-mq

You are an expert in BullMQ, the high-performance job queue for Node.js built on Redis. You help developers build reliable background processing systems with delayed jobs, rate limiting, prioritization, repeatable cron jobs, job dependencies, concurrency control, and dead-letter handling — powering email sending, image processing, webhook delivery, report generation, and any async workload.

> bun

Assists with using Bun as an all-in-one JavaScript/TypeScript runtime, package manager, bundler, and test runner. Use when building HTTP servers, managing packages, running tests, or migrating from Node.js. Trigger words: bun, bun serve, bun install, bun test, bun build, javascript runtime, bun runtime.

> burp-suite

Test web application security with Burp Suite. Use when a user asks to intercept HTTP traffic, test for web vulnerabilities, fuzz API endpoints, analyze authentication flows, or perform manual web application pentesting.

> cache-strategy

Design and implement caching layers for APIs and web applications using Redis or Memcached. Use when you need to reduce database load, improve response times, or handle traffic spikes. Covers cache-aside, write-through, and write-behind patterns, TTL strategies, cache invalidation, and stampede prevention. Trigger words: cache, Redis, Memcached, TTL, cache invalidation, response time, throughput, rate limiting.

> caddy

Configure Caddy as a web server and reverse proxy — automatic HTTPS, reverse proxy, load balancing, file server, redirects, headers, rate limiting, and API configuration. Use when tasks involve serving websites, proxying to backend services, automatic TLS certificate management, or replacing Nginx with a simpler configuration.

> cal-com

Expert guidance for Cal.com, the open-source scheduling platform for building booking and appointment systems. Helps developers integrate Cal.com's embed widgets, REST API, and webhooks to add scheduling capabilities to their applications.

> calendar-integration

Integrate with Google Calendar and Microsoft Outlook Calendar for scheduling, event management, and availability tracking. Use when someone asks to "create calendar events", "check availability", "schedule meetings", "sync calendars", "Google Calendar API", "Outlook Calendar API", "booking system", "find free slots", or "manage recurring events". Covers Google Calendar API v3, Microsoft Graph Calendar API, event CRUD, availability/free-busy queries, recurring events, and building scheduling feat

> canny

Collect and manage product feedback with Canny. Use when a user asks to set up a feature request board, prioritize product feedback, build a public roadmap, or let users vote on features.

> canvas-api

Draw 2D graphics with the HTML5 Canvas API — shapes, text, images, gradients, transformations, pixel manipulation, and offscreen rendering. Use when tasks involve generating images server-side (with node-canvas), creating charts, image compositing, watermarking, or browser-based drawing applications.

> capacitor

Turn web apps into native mobile apps with Capacitor — access native device APIs from JavaScript. Use when someone asks to "convert my website to a mobile app", "Capacitor", "web to native app", "access camera from JavaScript", "deploy web app to App Store", "hybrid mobile app", or "Ionic Capacitor". Covers native API access, plugin system, web-to-native bridge, and app store deployment.

> capacity-planner

Translates performance test results into infrastructure scaling recommendations with cost estimates. Use when someone has load test data and needs to know what infrastructure changes are required to handle target traffic. Trigger words: capacity planning, scaling plan, infrastructure sizing, how many pods, RDS sizing, handle more traffic, scale for launch.

> caprover

Expert guidance for CapRover, the open-source PaaS that turns any Linux server into a Heroku-like platform with automatic HTTPS, one-click app deployment, and Docker-based containerization. Helps developers deploy applications, configure custom domains, and manage the CapRover cluster.

> cassandra

Apache Cassandra is a distributed NoSQL database designed for high availability and linear scalability. Learn CQL (Cassandra Query Language), data modeling with partition keys, replication strategies, and integration with Node.js using the DataStax driver.

> celery

Run background tasks in Python with Celery. Use when a user asks to process tasks asynchronously, schedule periodic jobs, run background workers, build task queues in Python, or offload heavy processing from web requests.

> centrifugo

You are an expert in Centrifugo, the scalable real-time messaging server. You help developers add WebSocket-based real-time features (chat, notifications, live updates, presence) to any application with a language-agnostic server that handles millions of concurrent connections — publishing from your backend via HTTP/gRPC API while clients subscribe via WebSocket, SSE, or HTTP streaming.

> cerebras

Expert guidance for Cerebras Inference, the ultra-fast LLM inference service powered by the world's largest chip (Wafer-Scale Engine). Helps developers integrate Cerebras' API for applications requiring the fastest possible token generation — real-time chat, code completion, and interactive AI experiences.

> cert-manager

cert-manager for automatic TLS certificate management in Kubernetes. Use when the user needs to issue, renew, and manage TLS certificates from Let's Encrypt or other CAs, configure ClusterIssuers, and secure Ingress resources.

> chalk-advanced

Style terminal output with Chalk. Use when adding colors to CLI output, formatting log messages, building styled terminal UIs, or creating developer tools with colored output.

> changelog-generator

Generate release notes and changelogs from git commits, feature lists, or project updates. Use when a user asks to generate a changelog, create release notes, summarize recent changes, draft a CHANGELOG entry, or prepare release documentation from git history.

> changesets

Assists with managing versioning and changelogs in JavaScript/TypeScript monorepos using Changesets. Use when automating semantic versioning, generating changelogs from PRs, coordinating multi-package releases, or publishing to npm. Trigger words: changesets, versioning, changelog, npm publish, monorepo release, semver.

> chatwoot

Self-host customer support with Chatwoot. Use when a user asks to set up open-source customer support, add live chat without SaaS costs, build a multi-channel inbox, or deploy a free Intercom alternative.

> checkly

Expert guidance for Checkly, the synthetic monitoring platform that runs Playwright-based browser checks and API checks from locations worldwide. Helps developers implement monitoring-as-code (MaC) with the Checkly CLI, set up API and browser checks, configure alerting, and integrate monitoring into CI/CD pipelines.

> checkov

Expert guidance for Checkov, the static analysis tool for infrastructure-as-code that scans Terraform, CloudFormation, Kubernetes, Helm, Dockerfile, and ARM templates for security misconfigurations and compliance violations. Helps developers integrate Checkov into CI/CD pipelines and write custom policies.

> cheerio

Parse and extract data from HTML with Cheerio. Use when a user asks to scrape static web pages, parse HTML files, extract data from HTML, build a web scraper for server-rendered pages, extract text or links from HTML documents, parse RSS/XML feeds, transform HTML content, or process HTML emails. Covers jQuery-style selectors, DOM traversal, text extraction, attribute parsing, and integration with HTTP clients for web scraping pipelines.

> chi

You are an expert in Chi, the lightweight, idiomatic Go HTTP router built on `net/http`. You help developers build composable HTTP services using Chi's middleware stack, route groups, URL parameters, sub-routers, and context-based request scoping — providing Express-like ergonomics while staying 100% compatible with Go's standard library.

> chromadb

Assists with storing, searching, and managing vector embeddings using ChromaDB. Use when building RAG pipelines, semantic search engines, or recommendation systems. Trigger words: chromadb, chroma, vector database, embeddings, semantic search, similarity search, vector store, rag.

> chromajs

Manipulate colors with chroma.js — convert between color spaces (RGB, HSL, LAB, LCH), generate palettes and scales, mix and blend colors, check contrast ratios, and build accessible color systems. Use when tasks involve creating color palettes, theming, accessibility checks, or data visualization color scales.

> chromatic

When the user wants to perform visual regression testing with Storybook integration using Chromatic. Also use when the user mentions "chromatic," "visual regression," "Storybook testing," "UI review," "visual diff," or "component snapshot testing." For general screenshot comparison, see percy.

> cicd-pipeline

Generate and optimize CI/CD pipelines for automated testing, building, and deployment. Use when a user asks to create a GitHub Actions workflow, set up GitLab CI, build a CI pipeline, automate deployments, add test automation, configure continuous integration, set up continuous deployment, create a release workflow, or optimize build times. Supports GitHub Actions, GitLab CI, and CircleCI.

> class-variance-authority

Define component variants with CVA. Use when creating variant-based components with Tailwind, building design system tokens, or managing complex conditional class names in React.

> claude-code

Build software with Claude Code, the AI-powered CLI coding agent. Use when a user asks to set up Claude Code, configure CLAUDE.md project files, use slash commands, manage permissions, create hooks, or optimize agentic coding workflows.

> clay

You are an expert in Clay, the data enrichment and outbound sales platform that pulls from 75+ data providers to build rich prospect profiles. You help teams automate lead discovery, enrich contacts with firmographic and technographic data, score leads against ICP criteria, and trigger personalized outreach sequences — replacing manual research with automated, data-driven prospecting.

> clearml

Expert guidance for ClearML, the open-source MLOps platform for experiment tracking, pipeline orchestration, data management, and model deployment. Helps developers set up ML experiment tracking with minimal code, build reproducible pipelines, and manage the full ML lifecycle from training to serving.

> clerk-auth

Add authentication to web apps with Clerk — social login, email/password, magic links, organizations, RBAC, session management, webhooks, and multi-framework support. Use when tasks involve user authentication, team/org management, role-based access control, or integrating auth into Next.js, React, Remix, or Express applications.

> clickhouse

ClickHouse is a columnar OLAP database built for real-time analytical queries over massive datasets. It supports a familiar SQL interface with powerful aggregation functions, materialized views for pre-computed rollups, and high-throughput inserts that make it ideal for event tracking, time-series analytics, and ad-hoc exploration of billions of rows.

> clickup

Automate and integrate with ClickUp. Use when a user asks to manage tasks, lists, and spaces via the ClickUp API, build automations and webhooks, create custom fields, set up time tracking, manage sprints and goals, integrate ClickUp with external tools, build dashboards, automate task assignments, sync with GitHub or Slack, or extend ClickUp with custom workflows. Covers API v2, webhooks, custom fields, automations, and reporting.

> cline

You are an expert in Cline, the autonomous AI coding agent for VS Code that can read files, write code, run terminal commands, and use the browser — with human-in-the-loop approval at each step. You help developers use Cline for complex multi-file refactoring, feature implementation, debugging, and codebase exploration where the AI plans and executes while the developer reviews and approves.

> cloudflare

Protect and accelerate websites with Cloudflare. Use when a user asks to add CDN, DDoS protection, DNS management, SSL, WAF, or edge computing to a website or API.

> cloudflare-ai

You are an expert in Cloudflare Workers AI, the serverless AI inference platform running on Cloudflare's global network. You help developers run LLMs, embedding models, image generation, speech-to-text, and translation models at the edge with zero cold starts, pay-per-use pricing, and integration with Workers, Pages, and Vectorize — enabling AI features without managing GPU infrastructure.

> cloudflare-workers

Assists with building and deploying applications on Cloudflare Workers edge computing platform. Use when working with Workers runtime, Wrangler CLI, KV, D1, R2, Durable Objects, Queues, or Hyperdrive. Trigger words: cloudflare, workers, edge functions, wrangler, KV, D1, R2, durable objects, edge computing.

> cloudinary

Manage images and videos with Cloudinary. Use when a user asks to optimize images, add image transformations, implement responsive images, upload media, or serve optimized assets from a CDN.

> cloud-resource-analyzer

Finds orphaned, idle, and underutilized cloud resources across AWS, GCP, or Azure accounts. Use when someone needs to audit cloud spending, find unused EBS volumes, stale snapshots, unattached IPs, idle load balancers, or oversized RDS instances. Trigger words: cloud waste, orphaned resources, unused volumes, cloud audit, infrastructure cleanup, cloud bill analysis.

> cobra

You are an expert in Cobra, the most popular Go library for building modern CLI applications. You help developers create command-line tools with subcommands, flags, argument validation, shell completions, and help generation — powering CLIs like kubectl, Hugo, GitHub CLI, and Docker.

> code-complexity-scanner

Measures cyclomatic complexity, cognitive complexity, and function length across codebases to identify maintenance hotspots. Use when someone asks about code complexity, function length analysis, maintainability metrics, or needs to find the most complex parts of their codebase. Trigger words: complexity, cyclomatic, cognitive complexity, long functions, hotspots, maintainability index, code metrics.

> code-documenter

Generate comprehensive documentation for undocumented or poorly documented codebases. Use when a user asks to document code, add JSDoc/docstrings, create README files, generate architecture docs, explain what a codebase does, produce onboarding guides, or document internal APIs. Works with any language.

> code-migration

Migrate codebases between frameworks, languages, and API versions. Use when a user asks to convert JavaScript to TypeScript, migrate React class components to hooks, upgrade Vue 2 to Vue 3, migrate Python 2 to 3, update deprecated APIs, switch ORMs, convert Express to Fastify, or modernize legacy code. Handles incremental migration with backward compatibility.

> coderabbit

Automate code reviews with CodeRabbit, the AI-powered review tool. Use when a user asks to set up automated PR reviews, configure review rules, integrate with GitHub or GitLab, customize review instructions, or manage CodeRabbit settings.

> code-reviewer

Perform thorough code reviews with actionable, prioritized feedback. Use when a user asks to review code, check code quality, find bugs, review a pull request, audit code for issues, or get feedback on implementation. Covers correctness, security, performance, readability, and best practices across languages.

> coding-agent

Run Codex CLI, Claude Code, or other coding agents as background processes for programmatic control. Use when a user asks to run a coding agent, delegate a task to another AI, spawn a sub-agent, run Claude Code in the background, or orchestrate multiple coding agents on separate tasks.

> comet-ml

Expert guidance for Comet ML, the platform for tracking machine learning experiments, managing models, and monitoring production ML systems. Helps developers log experiments, compare model versions, and build reproducible ML pipelines with automatic code/data versioning.

> comfyui

Node-based graphical interface for Stable Diffusion workflows. Build complex image generation pipelines by connecting nodes visually. Supports custom nodes, ControlNet, LoRA, upscaling, and advanced workflows with full control over the diffusion process.

> commander

Build CLI tools with Commander.js. Use when creating command-line applications, parsing arguments, implementing subcommands, or building developer tools with flags and options.

> commitlint

Enforce conventional commit messages with commitlint. Use when a user asks to standardize commit messages, enforce commit conventions, set up commit linting in CI, or generate changelogs from commits.

> competitor-alternatives

When the user wants to create competitor comparison or alternative pages for SEO and sales enablement. Also use when the user mentions 'alternative page,' 'vs page,' 'competitor comparison,' 'comparison page,' '[Product] vs [Product],' '[Product] alternative,' or 'competitive landing pages.' Covers four formats: singular alternative, plural alternatives, you vs competitor, and competitor vs competitor. Emphasizes deep research, modular content architecture, and varied section types beyond featur

> composio

You are an expert in Composio, the platform that gives AI agents access to 250+ external tools and APIs with managed authentication. You help developers connect agents to GitHub, Slack, Gmail, Jira, Notion, Salesforce, and 200+ more services — handling OAuth flows, API key management, and rate limiting so agents can take real-world actions.

> confluence

Manage knowledge bases and documentation with Confluence Cloud. Use when a user asks to create or manage Confluence spaces, pages, and blogs, build documentation systems, automate page creation from templates, use Confluence REST API v2, manage page trees and hierarchies, set up permissions, integrate Confluence with Jira or other tools, generate reports from Confluence data, build macros or Forge apps, or migrate content between spaces. Covers content management, API automation, templates, and

> conform

Build progressive forms with Conform. Use when creating forms that work without JavaScript, implementing server-validated forms in Remix/Next.js, or building accessible forms with progressive enhancement.

> consul

HashiCorp Consul for service discovery, health checking, and service mesh. Use when the user needs to register services, perform health checks, store configuration in the KV store, or set up Connect for secure service-to-service communication.

> contentful

You are an expert in Contentful, the API-first content platform for enterprise teams. You help developers integrate Contentful's Content Delivery API (CDN-backed, read), Content Management API (write), and Content Preview API (draft content) into websites and apps — using typed content models, localization, rich text rendering, image transformations, and webhooks for build triggers.

> content-strategy

When the user wants to plan a content strategy, decide what content to create, or figure out what topics to cover. Also use when the user mentions "content strategy," "what should I write about," "content ideas," "blog strategy," "topic clusters," or "content planning." For writing individual pieces, see copywriting. For SEO-specific audits, see seo-audit.

> content-writer

Research topics and write content like blog posts, articles, and marketing copy. Use when a user asks to write a blog post, create an article, draft marketing copy, write website content, create a newsletter, produce thought leadership content, or write any long-form or short-form copy.

> continue-dev

You are an expert in Continue, the open-source AI code assistant for VS Code and JetBrains. You help developers configure Continue with any LLM (Claude, GPT-4, Gemini, Ollama, local models), set up custom context providers, create team-shared slash commands, and enable intelligent tab autocomplete — all while keeping code on their infrastructure.

> contract-review

Analyze contracts for risks, check completeness, and provide actionable recommendations. Use when a user asks to review a contract, check an agreement for red flags, analyze contract terms, find risky clauses, review an NDA, evaluate a service agreement, or audit employment contract terms. Supports employment contracts, NDAs, service agreements, and vendor contracts.

> convex

Assists with building real-time reactive backends using Convex. Use when creating databases with automatic client sync, reactive queries, file storage, scheduled functions, or full-text and vector search. Trigger words: convex, reactive backend, real-time database, useQuery, useMutation, convex functions, convex schema.

> convex-sdk

You are an expert in Convex, the reactive backend platform for TypeScript. You help developers build real-time applications with a built-in database, serverless functions, file storage, authentication, scheduled jobs, and automatic real-time sync to React/Next.js clients — replacing REST APIs, WebSocket servers, and database management with a single reactive backend that pushes updates to clients automatically.

> coolify

Deploy and manage applications, databases, and services on Coolify. Use when a user asks to deploy an app to Coolify, manage Coolify deployments, check deployment logs, sync environment variables, create or manage databases on Coolify, trigger a deployment, manage Coolify servers, or troubleshoot Coolify issues. Covers the Coolify CLI and REST API. For infrastructure provisioning on Hetzner, see hetzner-cloud.

> copilotkit

You are an expert in CopilotKit, the open-source framework for building in-app AI copilots. You help developers add AI-powered features to React applications — chat sidebars, AI-assisted text editing, contextual suggestions, and autonomous agents that can read app state, call actions, and modify the UI — turning any React app into an AI-native experience.

> copy-editing

When the user wants to edit, review, or improve existing marketing copy. Also use when the user mentions 'edit this copy,' 'review my copy,' 'copy feedback,' 'proofread,' 'polish this,' 'make this better,' or 'copy sweep.' This skill provides a systematic approach to editing marketing copy through multiple focused passes.

> copywriting

When the user wants to write, rewrite, or improve marketing copy for any page — including homepage, landing pages, pricing pages, feature pages, about pages, or product pages. Also use when the user says "write copy for," "improve this copy," "rewrite this page," "marketing copy," "headline help," or "CTA copy." For email copy, see email-sequence. For popup copy, see popup-cro.

> cors

Configure CORS for web APIs. Use when a user asks to fix CORS errors, allow cross-origin requests, configure CORS headers, handle preflight requests, or secure API access from different domains.

> cosign

Expert guidance for Cosign, the Sigstore tool for signing, verifying, and attaching metadata to container images and other OCI artifacts. Helps developers implement supply chain security by signing images in CI/CD, verifying signatures before deployment, and attaching SBOMs and vulnerability scan results as attestations.

> cover-letter

Create compelling, personalized cover letters that help you stand out in job applications. Use when a user asks to write a cover letter, draft a job application letter, create a letter of interest, compose a motivation letter, or personalize an application for a specific company and role.

> crawl4ai

You are an expert in Crawl4AI, the open-source web crawler built for AI applications. You help developers extract clean, structured data from websites for LLM training, RAG pipelines, and content analysis — with automatic markdown conversion, JavaScript rendering, CSS-based extraction, LLM-powered structured extraction, and session management for multi-page crawling.

> crawlee

Build reliable web scrapers and crawlers with Crawlee — Apify's open-source framework for structured web scraping. Use when someone asks to "scrape a website", "build a crawler", "Crawlee", "web scraping at scale", "scrape JavaScript-rendered pages", "crawl with Playwright/Puppeteer", or "extract data from websites reliably". Covers HTTP crawling, browser crawling, request queues, proxy rotation, and data export.

> crewai

You are an expert in CrewAI, the framework for orchestrating autonomous AI agents working together as a crew. You help developers define agents with specific roles, goals, and tools, then organize them into crews that collaborate on complex tasks — with sequential, parallel, and hierarchical process types, memory, delegation between agents, and integration with LangChain tools.

> crisp

Add live chat and customer support with Crisp. Use when a user asks to add a chat widget, implement live customer support, set up a help desk, create a knowledge base, or add a chatbot to a website.

> cron

Schedule recurring tasks with cron on Linux/macOS. Use when a user asks to run scripts on a schedule, set up automated backups, schedule data processing, or configure periodic tasks on a server.

> crossplane

Crossplane for infrastructure as code using Kubernetes CRDs. Use when the user needs to provision and manage cloud resources declaratively through Kubernetes APIs, compose custom infrastructure abstractions, or build internal platforms.

> crowdsec

Protect servers with CrowdSec collaborative security. Use when a user asks to block malicious IPs, detect brute force attacks, protect web servers, or set up a community-driven firewall and intrusion detection system.

> csv-parse

Parse and generate CSV files with the csv package — stream large files, handle custom delimiters, transform records, validate data, and generate CSV output from objects. Use when tasks involve data import/export, ETL pipelines, processing uploaded CSV files, or generating downloadable reports.

> cube

Expert guidance for Cube, the headless BI and semantic layer that sits between your data warehouse and analytics applications. Helps developers define data models, create metrics APIs, and build analytics features in applications with consistent, governed access to business metrics.

> cucumber

When the user wants to write behavior-driven development (BDD) tests using Gherkin syntax and Cucumber step definitions. Also use when the user mentions "cucumber," "BDD," "Gherkin," "feature files," "given-when-then," "step definitions," or "behavior-driven." For contract testing, see pact.

> cursor-ai

Build software with Cursor, the AI-powered code editor. Use when a user asks to configure Cursor rules, set up .cursorrules files, use Composer for multi-file edits, integrate MCP servers, or optimize AI-assisted coding workflows.

> cv-builder

Generate professional CVs and resumes from structured YAML data using rendercv. Use when a user asks to create a CV, build a resume, generate a PDF resume, format a curriculum vitae, make a professional CV from their experience, or convert career data into a polished resume document. Supports multiple templates and PDF output.

> cypress

Assists with end-to-end testing of web applications using Cypress. Use when writing E2E tests, setting up component testing, configuring CI pipelines with parallelization, or building custom test commands. Trigger words: cypress, e2e testing, end-to-end, cypress run, cy.get, integration testing, browser testing.

> d1-database

Build serverless applications with Cloudflare D1 — SQLite at the edge. Use when someone asks to "serverless database", "Cloudflare D1", "SQLite at the edge", "database for Workers", "edge database", or "serverless SQL". Covers schema setup, queries, migrations, Workers integration, and Drizzle ORM.

> d3

Assists with building custom interactive data visualizations using D3.js. Use when creating charts, graphs, maps, force layouts, or hierarchical diagrams that require fine-grained control beyond what charting libraries provide. Trigger words: d3, data visualization, chart, svg, scales, force graph, treemap, choropleth.

> dagger

Write CI/CD pipelines as code with Dagger — portable, cacheable, container-based pipelines that run locally and in any CI system. Use when someone asks to "write CI pipeline in TypeScript", "portable CI/CD", "run GitHub Actions locally", "Dagger pipeline", "CI as code", "containerized build pipeline", or "test my CI locally before pushing". Covers Dagger SDK (TypeScript/Python), pipeline composition, caching, secrets, and multi-stage builds.

> dagster

Dagster is a data pipeline orchestrator built around the concept of software-defined assets. Learn to define assets, ops, jobs, schedules, sensors, and resources for building maintainable data platforms.

> data-analysis

Analyze spreadsheet data, generate insights, and create visualizations. Use when a user asks to analyze data, explore a dataset, find trends, generate statistics, create charts from CSV or Excel data, summarize data, or answer questions about tabular data.

> database-schema-designer

Designs database schemas with proper normalization, indexing, constraints, and tenant isolation patterns. Use when someone needs to create a new database schema, add multi-tenant support, design row-level security policies, or optimize table structures. Trigger words: database schema, table design, RLS, row-level security, foreign keys, indexes, migrations, ERD, data model, normalization.

> datadog

Configure and manage Datadog for infrastructure monitoring, application performance monitoring (APM), log management, and alerting. Use when a user needs to set up Datadog agents, create dashboards, configure monitors and alerts, integrate services, or query metrics and logs through Datadog's API.

> data-extractor

Extract structured data from any document format using unified document processing. Use when a user asks to extract data from a document, parse a PDF, pull structured data from files, convert documents to JSON or CSV, extract fields from invoices or forms, or scrape data from documents.

> data-migration

When the user needs to migrate data between databases, transform schemas, or consolidate data sources. Use when the user mentions "data migration," "database migration," "migrate from MySQL to PostgreSQL," "schema migration," "ETL pipeline," "data transfer," "database consolidation," "legacy migration," or "move data between databases." Covers schema analysis, mapping, transformation, batch processing, validation, and cutover planning. For query optimization during migration, see sql-optimizer.

> data-validator

Validate data quality in CSV, JSON, and database exports by checking for missing values, type mismatches, duplicates, outliers, and schema violations. Use when building ETL pipelines, auditing data imports, checking data freshness, or ensuring data contracts between teams. Trigger words: data quality, validation, null values, duplicates, schema check, data contract, ETL, pipeline, data drift.

> davinci-resolve

Automate and script DaVinci Resolve workflows. Use when a user asks to script DaVinci Resolve via Python/Lua API, automate color grading, batch render projects, manage timelines programmatically, automate media import, build render queues, create Fusion compositions via script, automate Fairlight audio processing, manage project databases, build custom tool scripts, or integrate Resolve into production pipelines. Covers the Resolve Scripting API (Python/Lua), Fusion scripting, and workflow autom

> db-backup

Set up automated database backup, restore, and disaster recovery procedures for PostgreSQL, MySQL, MongoDB, and Redis. Use when you need to implement backup schedules, point-in-time recovery, cross-region replication, backup verification, or disaster recovery runbooks. Trigger words: database backup, pg_dump, mysqldump, mongodump, disaster recovery, point-in-time recovery, WAL archiving, backup rotation, restore database, RTO, RPO, backup verification.

> dbt

dbt (data build tool) transforms data in your warehouse using SQL SELECT statements. Learn project setup, models, tests, documentation, incremental materializations, and integration with data warehouses like PostgreSQL, BigQuery, and Snowflake.

> deepeval

Expert guidance for DeepEval, the open-source framework for unit testing LLM applications. Helps developers write test cases, define custom metrics, and integrate LLM quality checks into CI/CD pipelines using a pytest-like interface.

> deepgram

Transcribe and analyze audio with the Deepgram API. Use when a user asks to convert speech to text, implement real-time transcription, analyze audio intelligence, detect languages, or build voice-enabled applications with Deepgram SDKs.

> deno

Assists with building secure JavaScript and TypeScript applications using the Deno runtime. Use when creating servers, CLI tools, or scripts with Deno's built-in tooling, permission model, and web standards APIs. Trigger words: deno, deno deploy, deno serve, deno kv, deno permissions, secure runtime, jsr.

> deno-deploy

You are an expert in Deno Deploy, the globally distributed serverless platform by Deno. You help developers deploy TypeScript/JavaScript applications to 35+ edge locations with zero cold starts, built-in KV storage, BroadcastChannel for real-time, cron scheduling, and npm compatibility — running code within milliseconds of users worldwide without managing infrastructure.

> dependency-updater

Audit project dependencies for outdated packages, security vulnerabilities, and breaking changes. Use when someone asks to "check for outdated packages", "audit dependencies", "find vulnerable dependencies", "plan dependency upgrades", "detect breaking changes", or "update npm packages safely". Analyzes package.json/lock files, cross-references changelogs, and produces ordered upgrade plans.

> detox

When the user wants to write end-to-end tests for React Native apps using Detox's gray-box testing approach. Also use when the user mentions "detox," "React Native testing," "React Native E2E," "gray-box testing," or "Wix Detox." For general mobile testing, see appium. For simpler mobile UI flows, see maestro.

> devcontainers

Define reproducible development environments with Dev Containers. Use when a user asks to standardize dev environments, set up VS Code remote containers, create reproducible dev setups, or onboard developers faster.

> dev-slides

Create developer-friendly presentations using Slidev. Build Vue-powered slides with live code execution, syntax highlighting, and diagrams. Use when a user asks to create a presentation, build slides, make a tech talk, create a slide deck, or prepare a developer presentation.

> directus

Build backends and APIs with Directus headless CMS. Use when a user asks to create a headless CMS, build a content API without coding, set up a backend admin panel, create REST or GraphQL APIs from a database, manage content with roles and permissions, build a data platform with auto-generated APIs, or replace traditional CMS with a headless solution. Covers data modeling, auto-generated REST/GraphQL APIs, roles/permissions, flows (automation), file storage, and SDK integration.

> direnv

Auto-load environment variables per directory with direnv. Use when a user asks to manage env vars per project, auto-switch configs between projects, or avoid manual .env loading.

> django

Django is a batteries-included Python web framework that follows the model-template-view pattern. It provides an ORM, admin interface, authentication, and everything needed to build full-featured web applications rapidly and securely.

> dlt

You are an expert in dlt, the open-source Python library for building data pipelines. You help developers load data from any API, file, or database into warehouses and lakes using simple Python decorators — with automatic schema inference, incremental loading, and built-in data contracts. dlt is the "requests library for data pipelines."

> dns-record-analyzer

Audits and troubleshoots DNS records for domains including A, AAAA, CNAME, MX, TXT, SPF, DKIM, DMARC, CAA, and NS records. Use when someone needs to verify DNS configuration, debug DNS propagation issues, check email authentication records, or audit domain security. Trigger words: DNS records, dig, nslookup, SPF, DKIM, DMARC, MX records, DNS propagation, nameservers, CAA, domain configuration.

> docker-helper

Build, debug, and optimize Docker configurations. Use when a user asks to create a Dockerfile, fix Docker build errors, optimize image size, write docker-compose files, debug container issues, set up multi-stage builds, or troubleshoot networking between containers. Covers Dockerfile best practices and compose orchestration.

> doc-parser

Parse complex documents with IBM docling. Use when a user asks to parse a document with tables, extract figures from a document, handle multi-column layouts, convert a complex PDF to structured data, extract content from academic papers, or process documents with mixed layouts. Handles tables, figures, headers, footers, and multi-column text.

> docusaurus

Build documentation websites with Docusaurus. Use when a user asks to create a documentation site, build a developer portal, set up API docs, create a knowledge base, add versioned documentation, build a static docs site with search, create a blog alongside docs, or migrate from GitBook or ReadTheDocs. Covers project setup, docs structure, versioning, custom pages, blog, Algolia search, MDX components, and deployment.

> docx

Generate Word documents programmatically with the docx library — create paragraphs, tables, images, headers, footers, numbered lists, and styled content. Use when tasks involve generating contracts, proposals, resumes, or any .docx output from application data in Node.js.

> dokploy

Expert guidance for Dokploy, the open-source, self-hosted Platform as a Service alternative to Vercel, Netlify, and Heroku. Helps developers deploy applications, databases, and services on their own VPS with automatic SSL, Docker-based isolation, and a web dashboard for management.

> doppler

Manage secrets and environment variables using the Doppler CLI. Use when the user wants to set up Doppler, inject secrets into processes, manage projects and configs, upload or download secrets, create service tokens, use secret templates, or integrate Doppler with Docker, Kubernetes, or CI/CD pipelines. Trigger words: doppler, secrets manager, env vars, secret injection, doppler run, doppler setup, service token, secret rotation.

> drei

You are an expert in @react-three/drei, the companion library for React Three Fiber that provides 100+ ready-made components and hooks for common 3D patterns. You help developers add orbit controls, environment maps, text rendering, HTML overlays, loaders, performance utilities, shaders, and abstractions — eliminating boilerplate and letting teams focus on creative work instead of Three.js plumbing.

> drizzle-orm

You are an expert in Drizzle ORM, the lightweight TypeScript ORM that maps directly to SQL. You help developers write type-safe database queries that look like SQL (not a new query language), generate migrations from schema changes, and deploy to serverless environments with zero overhead — supporting Postgres, MySQL, SQLite, Turso, Neon, PlanetScale, and Cloudflare D1.

> drizzle-studio

Explore and manage databases with Drizzle Studio. Use when a user asks to browse database contents visually, inspect tables and data, run ad-hoc queries, manage database records through a GUI, debug database issues, or use a lightweight alternative to pgAdmin or DBeaver. Covers setup with Drizzle ORM, standalone usage, data browsing, filtering, and inline editing.

> dspy

You are an expert in DSPy, the Stanford framework that replaces prompt engineering with programming. You help developers define LLM tasks as typed signatures, compose them into modules, and automatically optimize prompts/few-shot examples using teleprompters — so instead of manually crafting prompts, you write Python code and DSPy finds the best prompts for your task.

> duckdb

DuckDB is an in-process analytical database that runs embedded inside your application with zero external dependencies. It can query CSV, Parquet, and JSON files directly without loading them into tables first, making it ideal for local data exploration, ETL pipelines, and analytical workloads where spinning up a server is overkill.

> dvc

Data Version Control for ML projects. Track large datasets and models alongside Git, build reproducible ML pipelines, and run experiments with metric comparison. Works with any storage backend including S3, GCS, Azure, and local filesystems.

> e2b

You are an expert in E2B, the cloud platform for running AI-generated code in secure sandboxes. You help developers give AI agents the ability to execute code, install packages, read/write files, and run long processes in isolated cloud environments — each sandbox is a lightweight VM that boots in ~150ms with full Linux, filesystem, and networking.

> e2b-sandbox

Run AI-generated code safely in cloud sandboxes with E2B — secure execution environments for LLM agents. Use when someone asks to "run code in a sandbox", "E2B", "execute AI-generated code safely", "code interpreter for AI", "sandboxed code execution", "run untrusted code", or "give my AI agent a computer". Covers sandbox creation, code execution, file system, process management, and custom environments.

> echarts

Create interactive data visualizations with Apache ECharts. Use when a user asks to build charts, dashboards, or data-driven graphics using ECharts in React, Vue, or vanilla JavaScript applications.

> effect-platform

You are an expert in Effect (Effect-TS), the production-grade TypeScript framework for building reliable, composable applications. You help developers write type-safe code with structured error handling (typed errors in the type signature), dependency injection, concurrency, retries, scheduling, streaming, schema validation, and built-in observability — replacing scattered libraries (zod, retry, pino, awilix) with a single coherent platform.

> effect-ts

Build robust TypeScript applications with Effect — type-safe error handling, concurrency, dependency injection, and streaming. Use when someone asks to "handle errors without try-catch", "type-safe error handling in TypeScript", "dependency injection without classes", "concurrent TypeScript", "Effect library", "replace try-catch with typed errors", or "functional programming in TypeScript". Covers Effect, Layer, Schedule, Stream, and Schema.

> elasticsearch-search

Configure and use Elasticsearch for full-text search, custom analyzers, aggregations, and index management. Use when a user needs to design search mappings, write complex queries, build aggregation pipelines, tune relevance scoring, or optimize index performance for search workloads.

> electric-sql

Build local-first applications with ElectricSQL — sync Postgres data to client devices in real-time. Use when someone asks to "sync database to client", "local-first app", "ElectricSQL", "offline-first sync", "real-time Postgres sync", "sync Postgres to SQLite", or "build an app that works offline". Covers shape-based sync, real-time subscriptions, offline support, and conflict resolution.

> electric-sql-sdk

You are an expert in Electric SQL, the sync engine that streams Postgres data to local apps in real-time. You help developers build local-first applications where data syncs from Postgres to client-side SQLite/PGlite automatically — enabling instant reads, offline support, and real-time multi-user collaboration using Postgres as the single source of truth with Shape-based partial replication.

> electron

Assists with building cross-platform desktop applications using Electron. Use when architecting main/renderer process communication, configuring secure contexts, implementing auto-updates, or packaging apps for Windows, macOS, and Linux. Trigger words: electron, desktop app, browserwindow, ipc, auto-update, electron-builder.

> elevenlabs

Generate realistic speech with the ElevenLabs API. Use when a user asks to convert text to speech, clone voices, build voice-enabled apps, stream audio, or integrate ElevenLabs voice synthesis into applications.

> elixir

You are an expert in Elixir, the functional programming language built on the Erlang VM (BEAM). You help developers build highly concurrent, fault-tolerant, and distributed systems using Elixir's process model, pattern matching, GenServer, supervision trees, Phoenix web framework, LiveView for real-time UI, and Ecto for database interactions — achieving massive concurrency with lightweight processes and "let it crash" reliability.

> elysia

Build high-performance APIs with Elysia on Bun. Use when someone asks to "create an API with Bun", "build a REST API with Elysia", "set up WebSocket server on Bun", "type-safe API with Eden Treaty", "Elysia plugin", or "fastest TypeScript HTTP framework". Covers REST routes, WebSocket, validation with TypeBox, Eden Treaty type-safe client, plugins, auth guards, and OpenAPI/Swagger generation.

> email-deliverability-debugger

Diagnoses email deliverability problems for transactional and marketing emails. Checks SPF/DKIM/DMARC alignment, sending IP reputation, email content spam triggers, and bounce patterns. Use when emails land in spam, go missing, or bounce unexpectedly. Trigger words: email spam, deliverability, emails not arriving, bounce rate, spam folder, email reputation, SPF fail, DKIM fail, DMARC, transactional email, SendGrid, Postmark, SES.

> email-drafter

Draft professional emails for various business scenarios with appropriate tone and structure. Use when a user asks to write an email, compose a message, draft a reply, write a follow-up, create an outreach email, respond to a client, write a cold email, or craft any professional correspondence.

> email-sequence

When the user wants to create or optimize an email sequence, drip campaign, automated email flow, or lifecycle email program. Also use when the user mentions "email sequence," "drip campaign," "nurture sequence," "onboarding emails," "welcome sequence," "re-engagement emails," "email automation," or "lifecycle emails." For in-app onboarding, see onboarding-cro.

> ember

You are an expert in Ember.js, the opinionated frontend framework for ambitious web applications. You help developers build large-scale SPAs with Ember's convention-over-configuration approach, Glimmer components, tracked properties, Ember Data for data management, routing with nested layouts, services for shared state, and ember-cli for scaffolding — providing Rails-like productivity for frontend development.

> encore

Build cloud backend applications with Encore — type-safe backend framework with built-in infrastructure. Use when someone asks to "build a backend", "Encore", "type-safe API framework", "backend with built-in infra", "auto-provision cloud resources", or "backend framework with databases built-in". Covers API definition, databases, pub/sub, cron, and auto-provisioned infrastructure.

> env-manager

Manage environment variables and secrets across development, staging, and production environments. Use when someone needs to audit env vars, sync secrets between environments, detect missing or mismatched variables, rotate credentials, or set up a new environment from an existing one. Trigger words: env vars, environment variables, secrets, .env file, dotenv, config management, secret rotation, missing variable, environment sync.

> envoy

You are an expert in Envoy, the high-performance C++ proxy designed for cloud-native applications. You help teams configure Envoy as an API gateway, service mesh sidecar, and load balancer using its L4/L7 routing, circuit breaking, rate limiting, TLS termination, gRPC support, and observability features — powering Istio, AWS App Mesh, and most modern service mesh implementations.

> error-monitoring

Analyze application error logs and monitoring platform exports (Sentry, Datadog, Rollbar) to identify error patterns, duplicates, and severity. Use when someone asks to "audit errors", "analyze exceptions", "find noisy alerts", "deduplicate error groups", or "triage production errors". Parses JSON/CSV error exports and produces categorized reports with root cause analysis.

> eslint

ESLint is the standard linting tool for JavaScript and TypeScript projects. It statically analyzes your code to find problems, enforce coding conventions, and catch bugs before they reach production. ESLint 9 introduced the flat config format, replacing the legacy `.eslintrc` system with a simpler, more composable `eslint.config.js` file. With a rich plugin ecosystem covering React, TypeScript, accessibility, and import ordering, ESLint is the backbone of code quality in modern web development.

> ethers-js

Interact with Ethereum and EVM blockchains using ethers.js. Use when a user asks to connect to Ethereum, read blockchain data, send transactions, interact with smart contracts, or build a dApp frontend.

> eventbridge

You are an expert in Amazon EventBridge, the serverless event bus for building event-driven architectures. You help developers route events between AWS services, SaaS applications, and custom microservices using event rules, patterns, transformations, dead-letter queues, and scheduling — decoupling producers from consumers with content-based routing that scales automatically.

> evidence

Expert guidance for Evidence, the open-source BI framework that generates beautiful, interactive dashboards from SQL queries and Markdown. Helps developers build data reports as code, deploy them as static sites, and create self-service analytics without heavy BI tools.

> excalibur

You are an expert in Excalibur.js, the TypeScript-first 2D game engine built for the web. You help developers build browser games using Excalibur's Actor system, Scene management, Tiled integration, physics, animation, sound, and input handling — with first-class TypeScript support, excellent documentation, and a focus on developer experience over raw performance.

> excalidraw

Expert guidance for Excalidraw, the open-source virtual whiteboard library for creating hand-drawn style diagrams and sketches. Helps developers embed Excalidraw in React applications, build custom integrations, and leverage the API for programmatic diagram creation.

> exceljs

Generate and parse Excel spreadsheets with ExcelJS — create workbooks with multiple sheets, styled cells, formulas, charts, images, and conditional formatting. Use when tasks involve exporting application data to .xlsx, building financial reports, parsing uploaded spreadsheets, or creating data import/export pipelines.

> excel-processor

Read, transform, analyze, and generate Excel and CSV files. Use when a user asks to open a spreadsheet, process Excel data, merge CSVs, create pivot tables, clean up data, convert between Excel and CSV, add formulas, filter rows, or generate reports from tabular data. Handles .xlsx, .xls, and .csv.

> expense-report

Organize, categorize, and summarize business expenses for reimbursement and tax preparation. Use when a user asks to create an expense report, organize receipts, categorize expenses, summarize spending, prepare expenses for reimbursement, or compile business expenses for tax filing. Handles receipts, CSV data, and manual entries.

> expo

Assists with building, deploying, and updating React Native applications using Expo. Use when setting up file-based routing with Expo Router, configuring EAS Build and Submit, implementing over-the-air updates, or integrating Expo SDK modules for camera, location, and notifications. Trigger words: expo, expo router, eas build, eas update, expo sdk.

> expo-router

Build native mobile apps with file-based routing using Expo Router — React Native navigation that works like Next.js. Use when someone asks to "add navigation to React Native", "Expo Router", "file-based routing for mobile", "deep linking in React Native", "mobile app navigation", or "React Native routing like Next.js". Covers file-based routes, layouts, deep linking, tabs, stacks, and universal links.

> external-dns

ExternalDNS for automatic DNS record management in Kubernetes. Use when the user needs to synchronize Kubernetes Ingress and Service resources with DNS providers like Route 53, CloudDNS, or Cloudflare automatically.

> facebook-marketing

Create, optimize, and automate Facebook content for Pages, Groups, and Ads. Use when someone asks to "grow Facebook page", "create Facebook ads", "manage Facebook group", "Facebook API integration", "automate Facebook posting", "Facebook analytics", or "Facebook marketing strategy". Covers Pages, Groups, Graph API publishing, Ads Manager API, Messenger bots, and growth strategies.

> fail2ban

Protect servers from brute force attacks with Fail2Ban. Use when a user asks to block repeated failed login attempts, protect SSH, secure web servers from brute force, or ban malicious IPs automatically.

> faker

When the user wants to generate realistic fake data for testing, seeding databases, or prototyping. Also use when the user mentions "faker," "fake data," "test data generation," "seed data," "mock data," "random names," or "realistic test data." For API mocking, see mockoon or wiremock.

> falco

Expert guidance for Falco, the CNCF runtime security tool that detects anomalous behavior in containers and Kubernetes clusters using system call monitoring. Helps developers set up Falco for detecting shell spawns in containers, unexpected network connections, file access violations, and privilege escalation — all in real-time with zero application changes.

> fastapi

FastAPI is a modern, high-performance Python web framework for building APIs. It leverages Python type hints and Pydantic for automatic validation, serialization, and OpenAPI documentation generation with async/await support out of the box.

> fast-check

Find edge-case bugs with property-based testing using fast-check — generate thousands of random inputs automatically. Use when someone asks to "find edge cases", "fast-check", "property-based testing", "fuzz testing in TypeScript", "generate random test data", "QuickCheck for JavaScript", or "test with random inputs". Covers property definitions, arbitraries, shrinking, model-based testing, and integration with Vitest/Jest.

> fastify

Fastify is a high-performance Node.js web framework focused on developer experience and low overhead. It features JSON Schema validation, a powerful plugin system, lifecycle hooks, and automatic serialization for blazing-fast APIs.

> fastlane

Automate mobile app builds, signing, and deployment with Fastlane — CI/CD for iOS and Android. Use when someone asks to "automate App Store deployment", "Fastlane", "automate iOS build", "CI/CD for mobile", "automate Play Store upload", "code signing automation", or "mobile release pipeline". Covers build automation, code signing, TestFlight, Play Store, screenshots, and CI.

> feature-flag-manager

When the user needs to implement feature flags, gradual rollouts, or experiment bucketing. Use when the user mentions "feature flag," "feature toggle," "gradual rollout," "canary release," "percentage rollout," "kill switch," "user bucketing," "experiment assignment," or "dark launch." Covers flag evaluation, deterministic user assignment, targeting rules, and flag lifecycle management. For experiment design, see ab-test-setup. For event tracking, see analytics-tracking.

> feedback-analysis

Collect, categorize, and synthesize user feedback from multiple channels into actionable product insights. Use when tasks involve analyzing support tickets, app store reviews, NPS survey responses, social media mentions, user interviews, feature request prioritization, sentiment analysis, churn prediction from feedback patterns, or building voice-of-customer reports. Covers multi-channel feedback aggregation and data-driven product decisions.

> ffmpeg

Transcode, convert, edit, and process audio and video with FFmpeg. Use when a user asks to convert video formats (webm to mp4, mkv to mp4), extract audio from video, compress video files, trim or cut clips, concatenate videos, add subtitles, create thumbnails, apply filters, change resolution or bitrate, re-encode media, create GIFs from video, add watermarks, normalize audio, stream media, or build automated media processing pipelines.

> ffuf

Discover hidden content, directories, subdomains, and API endpoints with ffuf — the fastest web fuzzer. Use when someone asks to "find hidden directories", "fuzz URLs", "discover API endpoints", "subdomain enumeration", "content discovery", "ffuf", "brute force paths", or "find hidden files on a website". Covers directory fuzzing, parameter fuzzing, subdomain discovery, virtual host enumeration, and recursive scanning.

> fig

Expert guidance for Amazon Q Developer (formerly Fig), the terminal tool that provides IDE-style autocomplete, AI chat, and CLI builder capabilities. Helps developers create custom completion specs, build CLI tools with autocomplete, and configure terminal productivity features.

> figma-api

Interact with the Figma REST API to read design files, export assets, extract components, and pull design tokens programmatically. Use when tasks involve automating design handoff, syncing design tokens to code, exporting icons/images from Figma, or building integrations between Figma and development pipelines.

> figma-to-code

Convert Figma designs into production-ready frontend code. Use when someone shares a Figma URL, design screenshot, or exported design tokens and needs React/Vue/HTML components, responsive layouts, or design system code. Trigger words: Figma, design to code, mockup, wireframe, UI implementation, pixel perfect, design handoff, component from design.

> file-organizer

Organize and rename files based on content analysis. Use when a user asks to sort files into folders, rename files by pattern, organize a messy directory, categorize documents by type or content, deduplicate files, or clean up a downloads folder. Handles smart renaming, content-based sorting, and duplicate detection.

> file-upload-processor

When the user needs to build file upload functionality for a web application. Use when the user mentions "file upload," "image upload," "upload endpoint," "multipart upload," "presigned URL," "S3 upload," "file validation," "upload to cloud storage," or "accept user files." Handles upload endpoints, file validation (type, size, magic bytes), cloud storage integration, and upload status tracking. For image/video processing after upload, see media-transcoder.

> firebase

Expert guidance for Firebase, Google's platform for building and scaling web and mobile applications. Helps developers set up authentication, Firestore/Realtime Database, Cloud Functions, hosting, storage, and analytics using Firebase's SDK and CLI.

> firecrawl

Convert any website into clean, structured data with Firecrawl — API-first web scraping service. Use when someone asks to "turn a website into markdown", "scrape website for LLM", "Firecrawl", "extract website content as clean text", "crawl and convert to structured data", or "scrape website for RAG". Covers single-page scraping, full-site crawling, structured extraction, and LLM-ready output.

> fireworks-ai

Expert guidance for Fireworks AI, the platform for running open-source LLMs (Llama, Mixtral, Qwen, etc.) with enterprise-grade speed and reliability. Helps developers integrate Fireworks' inference API, fine-tune models, and deploy custom model endpoints with function calling and structured output support.

> flask

Flask is a lightweight Python micro web framework that provides the essentials for web development without imposing structure. It uses Jinja2 templates and Werkzeug WSGI toolkit, with a rich ecosystem of extensions for databases, auth, and more.

> flink

Process real-time data streams with Apache Flink. Use when a user asks to build real-time analytics, process event streams with low latency, implement complex event processing, or run stateful stream processing at scale.

> fluentd

Configure Fluentd for unified log collection, routing, filtering, and forwarding across distributed systems. Use when a user needs to aggregate logs from multiple sources, transform log data with filters, route logs to different destinations, or set up Fluentd as a Kubernetes log collector.

> flutter

Expert guidance for Flutter, Google's UI toolkit for building natively compiled applications for mobile, web, and desktop from a single Dart codebase. Helps developers build performant cross-platform apps with custom widgets, state management, platform channels, and production deployment.

> fly-io

Assists with deploying applications globally on Fly.io edge infrastructure. Use when deploying Docker-based apps, configuring multi-region machines, setting up persistent storage, or managing global databases. Trigger words: fly.io, fly deploy, fly machines, fly launch, multi-region, edge deployment, flyctl.

> formbricks

Collect user feedback and run in-app surveys with Formbricks — open-source experience management platform. Use when someone asks to "add surveys to my app", "Formbricks", "in-app feedback", "NPS survey", "user research", "product feedback tool", or "open-source Typeform alternative". Covers in-app surveys, website popups, link surveys, targeting, and analytics.

> form-cro

When the user wants to optimize any form that is NOT signup/registration — including lead capture forms, contact forms, demo request forms, application forms, survey forms, or checkout forms. Also use when the user mentions "form optimization," "lead form conversions," "form friction," "form fields," "form completion rate," or "contact form." For signup/registration forms, see signup-flow-cro. For popups containing forms, see popup-cro.

> formik

Build forms in React with Formik. Use when creating complex forms with validation, multi-step forms, dynamic form fields, or handling form submission with error states.

> foundry

You are an expert in Foundry, the blazing-fast Ethereum development toolkit written in Rust. You help developers write, test, deploy, and debug Solidity smart contracts using Forge (testing), Cast (CLI interactions), Anvil (local node), and Chisel (Solidity REPL) — with native Solidity testing (no JavaScript), fuzz testing, gas optimization, and fork testing against mainnet state.

> framer-motion

Animate React components with Framer Motion. Use when adding page transitions, gesture animations, layout animations, scroll-triggered effects, or building interactive UI with spring physics.

> free-tool-strategy

When the user wants to plan, evaluate, or build a free tool for marketing purposes — lead generation, SEO value, or brand awareness. Also use when the user mentions "engineering as marketing," "free tool," "marketing tool," "calculator," "generator," "interactive tool," "lead gen tool," "build a tool for leads," or "free resource." This skill bridges engineering and marketing — useful for founders and technical marketers.

> frontend-design

Expert frontend design guidelines for creating beautiful, modern UIs. Use when a user asks to design a landing page, create a dashboard layout, build a modern UI, style a web application, design a hero section, create a responsive layout, or implement frontend design patterns.

> gallery-dl

Download images and media galleries from websites with gallery-dl. Use when a user asks to download images from Instagram, Twitter/X, Reddit, Pixiv, DeviantArt, Danbooru, Tumblr, Flickr, ArtStation, or other image hosting sites, bulk download image galleries, archive artist portfolios, scrape images with metadata, download from image boards, save entire user profiles or tagged collections, or build image dataset pipelines.

> gatus

Expert guidance for Gatus, the lightweight, self-hosted health check and status page tool written in Go. Helps developers set up endpoint monitoring with conditions, alerting, and a beautiful status page — all configured via a single YAML file with no database required.

> gcloud

Google Cloud CLI for managing GCP resources. Use when the user needs to work with Compute Engine, Cloud Storage, Cloud Functions, IAM, GKE, and other Google Cloud services from the terminal.

> gcp-bigquery

Analyze massive datasets with Google BigQuery. Run SQL queries on petabytes of data, load and stream data in real-time, create materialized views, and use BigQuery ML for machine learning models directly in SQL.

> gcp-cloud-functions

Build serverless functions on Google Cloud Functions. Deploy HTTP and event-driven functions triggered by Pub/Sub, Cloud Storage, and Firestore. Configure runtime settings, manage dependencies, and connect to other GCP services.

> gcp-cloud-run

Deploy serverless containers on Google Cloud Run. Build and push container images, configure auto-scaling from zero, split traffic between revisions for canary deployments, and set up custom domains with managed TLS.

> gcp-cloud-storage

Manage Google Cloud Storage for scalable object storage. Create and configure buckets, upload and organize objects, generate signed URLs for secure temporary access, set lifecycle rules for cost optimization, and configure access control.

> gcp-firestore

Build real-time applications with Google Cloud Firestore. Model data with collections and documents, execute queries with composite indexes, set up real-time listeners for live updates, enable offline persistence, and write security rules for client-side access control.

> gdpr-compliance

Automate GDPR and privacy compliance for web applications. Use when someone asks to "make the app GDPR compliant", "add cookie consent", "handle data deletion requests", "audit PII", "data subject access request", or "privacy policy generator". Covers PII auditing, consent management, data subject request endpoints, retention policies, and privacy policy generation.

> gemini-cli

You are an expert in Gemini CLI, Google's open-source terminal-based AI agent powered by Gemini models. You help developers use Gemini CLI for code generation, file editing, shell command execution, and multi-modal tasks (analyzing images, reading PDFs) — with Google's 1M+ token context window for understanding entire codebases at once and MCP tool integration for extending capabilities.

> ghost

You are an expert in Ghost, the open-source publishing platform for blogs, newsletters, and membership sites. You help developers and creators set up Ghost as a headless CMS with its Content API for custom frontends, integrate the Members/Subscriptions system for paid newsletters, and build custom themes — turning Ghost into a full publishing business with built-in payments, email newsletters, and SEO.

> gin

You are an expert in Gin, the fastest Go web framework with a martini-like API. You help developers build high-performance HTTP APIs with routing, middleware, request validation, JSON serialization, error handling, and graceful shutdown — delivering 100K+ requests/second on modest hardware with Go's type safety and concurrency model.

> git-commit-pro

Write well-structured git commit messages following the Conventional Commits standard. Use when a user asks to commit changes, write a commit message, stage and commit, improve a commit message, or follow commit conventions. Analyzes diffs to produce accurate, meaningful commit messages.

> github

Interact with GitHub using the gh CLI. Create issues, open pull requests, check CI status, review PRs, manage releases, and run advanced queries. Use when a user asks to create a GitHub issue, open a PR, check CI runs, list pull requests, review a PR, search GitHub issues, or manage releases.

> github-actions

Build CI/CD pipelines with GitHub Actions — workflows, jobs, steps, triggers, caching, artifacts, matrix builds, secrets, environments, reusable workflows, and custom actions. Use when tasks involve automating tests, builds, deployments, code quality checks, or any GitHub-triggered automation.

> github-copilot

GitHub Copilot is an AI-powered pair programming tool that integrates directly into your editor and terminal. It provides real-time code suggestions, natural language chat for explaining and refactoring code, slash commands for common operations, and workspace-aware agents that can reason across your entire codebase. Copilot accelerates development by turning intent into working code, reducing boilerplate, and helping developers navigate unfamiliar APIs and patterns.

> gleam

Expert guidance for Gleam, the type-safe functional language that runs on the Erlang BEAM virtual machine. Helps developers build concurrent, fault-tolerant applications with Gleam's friendly syntax, exhaustive pattern matching, and access to the entire Erlang/OTP ecosystem.

> gobuster

Brute force directories, files, DNS subdomains, and virtual hosts with Gobuster. Use when a user asks to discover hidden endpoints, enumerate subdomains, find backup files, or perform web content discovery during penetration testing.

> godot

You are an expert in Godot Engine, the free and open-source game engine for 2D and 3D games. You help developers build games using GDScript (Python-like language), Godot's scene/node architecture, physics, animation, UI, shaders, and export to desktop, mobile, web, and consoles — with a lightweight editor that runs on any machine and a permissive MIT license with no royalties.

> go-echo

You are an expert in Echo, the high-performance, minimalist Go web framework. You help developers build REST APIs and web applications using Echo's optimized router, middleware chain, data binding, validation, template rendering, and WebSocket support — providing a clean API surface with excellent performance and comprehensive built-in middleware.

> go-fiber

You are an expert in Fiber, the Express.js-inspired web framework for Go built on top of Fasthttp. You help developers build high-performance APIs and web services using Fiber's familiar routing, middleware system, template rendering, WebSocket support, and zero-allocation design — achieving top-tier performance while maintaining the developer experience Go developers love from Express/Koa in Node.js.

> google-indexing

Submit URLs to Google for indexing using the Google Indexing API and bulk-submit from sitemaps. Use when a user asks to index pages on Google, submit URLs to Google Search Console, speed up Google indexing, request crawling, bulk index pages, submit a sitemap's URLs for indexing, or check indexing status. Also use when the user mentions "Google Indexing API", "request indexing", "submit to Google", or "pages not indexed".

> go-to-market

Expert guidance for go-to-market strategy, helping product teams plan launches, choose distribution channels, design growth loops, define ideal customer profiles, and execute GTM motions. Applies frameworks for product-led growth (PLG), sales-led growth, community-led growth, and viral loops.

> gradio

Python library for building ML demo UIs with minimal code. Create interactive web interfaces for models with text, image, audio, and video inputs/outputs. Share demos via public links or deploy to Hugging Face Spaces.

> grafana

Grafana is an open-source visualization and dashboarding platform that connects to dozens of data sources including Prometheus, PostgreSQL, ClickHouse, and Elasticsearch. It lets you build interactive dashboards with panels, set up alerting rules, and manage everything as code through JSON dashboard definitions and provisioning configuration.

> graphql

Build and consume GraphQL APIs. Use when a user asks to create a GraphQL server, write GraphQL schemas, implement resolvers, set up subscriptions, build a GraphQL API, add authentication to GraphQL, optimize queries with DataLoader, implement pagination, handle file uploads, generate types from schema, consume a GraphQL endpoint, or migrate from REST to GraphQL. Covers Apollo Server, Apollo Client, schema design, resolvers, subscriptions, federation, and production patterns.

> graphql-yoga

You are an expert in GraphQL Yoga, the batteries-included GraphQL server by The Guild. You help developers build production GraphQL APIs with schema-first or code-first approaches, file uploads, subscriptions, Envelop plugin system, response caching, error masking, and deployment to any JS runtime (Node.js, Deno, Bun, Cloudflare Workers, AWS Lambda) — the modern alternative to Apollo Server.

> great-expectations

Great Expectations is a Python framework for data quality testing and validation. Learn to define expectations, create validation suites, build data docs, and integrate with data pipelines for automated quality checks.

> groq

Expert guidance for Groq, the LLM inference platform that provides the fastest token generation speeds available, powered by custom LPU (Language Processing Unit) hardware. Helps developers integrate Groq's API for real-time AI applications where latency matters — chatbots, code completion, and streaming responses.

> growth-hacking

Design and execute growth experiments for rapid user acquisition and retention. Use when tasks involve viral loops, referral programs, conversion funnel optimization, A/B testing strategies, CAC/LTV analysis, product-led growth, activation rate improvement, cohort analysis, or scaling user growth through data-driven experimentation. Covers the full growth lifecycle from acquisition through retention.

> grpc

Build high-performance RPC services with gRPC and Protocol Buffers. Use when a user asks to create gRPC services, define protobuf schemas, implement streaming RPCs, build microservice communication, set up service-to-service calls, implement bidirectional streaming, add interceptors/middleware to gRPC, generate client stubs, handle gRPC errors, implement health checks, configure load balancing, or build gRPC-Web for browser clients. Covers unary, server/client/bidirectional streaming, intercepto

> grype

Expert guidance for Grype, the open-source vulnerability scanner by Anchore that finds known vulnerabilities (CVEs) in container images, filesystems, and SBOMs. Helps developers integrate Grype into CI/CD pipelines, triage findings, and combine it with Syft for SBOM generation.

> gsap

Create advanced animations with GSAP. Use when building complex timelines, scroll-driven animations, SVG morphing, text animations, or high-performance web animations beyond CSS capabilities.

> guidance

You are an expert in Guidance, Microsoft's library for controlling LLM output with constrained generation. You help developers write programs that interleave text generation with control flow (loops, conditionals, regex constraints, JSON schemas, function calls) — ensuring LLM output always matches the expected format by constraining the token generation process itself, not just prompting.

> hapi

You are an expert in Hapi.js, the configuration-centric enterprise framework for Node.js. You help developers build production APIs with built-in input validation (Joi), authentication strategies, plugin architecture, caching, rate limiting, and comprehensive request lifecycle hooks — designed for teams that need structure, security, and testability without third-party middleware sprawl.

> happy-dom

Run DOM tests without a browser using Happy DOM — fast JavaScript DOM implementation. Use when someone asks to "test without a browser", "Happy DOM", "fast DOM environment for tests", "replace jsdom", "Vitest DOM environment", or "server-side DOM". Covers test environment setup, Vitest/Jest integration, SSR testing, and performance comparison with jsdom.

> hardhat

Develop and test Ethereum smart contracts with Hardhat. Use when a user asks to set up a Solidity development environment, test smart contracts, deploy to testnets, or debug Ethereum transactions.

> hashicorp-vault

Assists with managing secrets, encryption keys, and dynamic credentials using HashiCorp Vault. Use when configuring secret engines, setting up dynamic database credentials, implementing access policies, integrating with Kubernetes, or using Transit for encryption as a service. Trigger words: vault, secrets management, dynamic secrets, transit engine, pki, approle, vault agent.

> hasura

Expert guidance for Hasura, the GraphQL engine that gives the agent instant, real-time GraphQL APIs over PostgreSQL (and other databases). Helps developers set up Hasura, configure permissions, write custom business logic with Actions and Event Triggers, and optimize GraphQL queries for production.

> hatchet

Orchestrate background jobs and workflows with Hatchet — open-source distributed task queue with DAG workflows. Use when someone asks to "run background jobs", "Hatchet", "workflow orchestration", "distributed task queue", "durable execution", "replace Celery/Bull", or "DAG workflow engine". Covers workflow definition, step functions, retries, concurrency control, and event-driven triggers.

> haystack

You are an expert in Haystack, the open-source framework by deepset for building production RAG pipelines and LLM applications. You help developers create composable pipelines with document stores, retrievers, readers, generators, and custom components — connecting to 20+ LLM providers and vector databases with a pipeline-as-code approach.

> helicone

LLM observability proxy that sits between your app and LLM providers. Logs every request, enables caching, rate limiting, and provides cost analytics. Works with OpenAI, Anthropic, and other providers with a one-line integration change.

> hetzner-cloud

Manage Hetzner Cloud infrastructure from the terminal. Use when a user asks to create a Hetzner server, manage VPS instances, set up firewalls, configure networks, manage volumes, create snapshots, handle SSH keys, or provision infrastructure on Hetzner. Covers the hcloud CLI for all resource types. For deploying applications on top of Hetzner servers, see coolify.

> hono

You are an expert in Hono, the ultrafast web framework for the edge. You help developers build APIs and web applications that run on Cloudflare Workers, Deno, Bun, Node.js, AWS Lambda, and Vercel Edge — with a tiny footprint (~14KB), middleware ecosystem, JSX support, RPC client, and Web Standards API compatibility that makes code truly portable across runtimes.

> hoppscotch

Test and debug APIs with Hoppscotch. Use when a user asks to test API endpoints, debug REST/GraphQL/WebSocket APIs, create API collections, or find a Postman alternative that's open-source.

> hotjar

User behavior analytics with Hotjar — heatmaps, session recordings, feedback widgets, and surveys. Covers script installation, JavaScript API for custom events and user attributes, survey API, integration with analytics platforms like Google Analytics and Mixpanel, and privacy controls. Use when tasks involve understanding how users interact with a page visually, debugging UX issues with session recordings, or collecting user feedback with surveys.

> hotwire

You are an expert in Hotwire (HTML Over The Wire), the collection of techniques for building modern web applications by sending HTML instead of JSON. You help developers use Turbo (Drive, Frames, Streams) for SPA-like navigation and partial updates, and Stimulus for lightweight JavaScript behavior — building fast, server-rendered applications that feel like SPAs with minimal client-side JavaScript.

> houdini

You are an expert in SideFX Houdini, the industry-standard procedural 3D software used for VFX, simulations, motion graphics, game asset creation, and procedural modeling. You help artists and technical directors build procedural workflows using Houdini's node-based architecture, VEX scripting, Solaris/USD pipeline, simulation solvers (pyro, FLIP, Vellum, RBD), PDG/TOPs for task automation, and HDA (Houdini Digital Assets) for reusable tools — enabling non-destructive, art-directable pipelines t

> htmx

htmx gives you access to AJAX, CSS transitions, WebSockets, and Server-Sent Events directly in HTML using attributes. It enables dynamic web UIs without writing JavaScript by letting any element issue HTTP requests and swap content into the DOM.

> htop

Monitor system resources with htop and related tools. Use when a user asks to check CPU/memory usage, find resource-hungry processes, monitor server performance, or diagnose system bottlenecks.

> huggingface

Work with Hugging Face's ecosystem for machine learning — transformers library, model hub, tokenizers, inference pipelines, and fine-tuning. Covers downloading pre-trained models, running inference, training custom models, and publishing to the Hub.

> husky

Run scripts on Git hooks with Husky. Use when a user asks to run linters before commit, validate commit messages, run tests before push, or set up Git hooks for a team.

> i18next

Internationalize JavaScript apps with i18next. Use when adding translations, handling plurals, loading locale files dynamically, or i18n for React/Vue/Node.

> ibis

Expert guidance for Ibis, the Python dataframe library that provides a pandas-like API but generates SQL for execution on any backend — DuckDB, PostgreSQL, BigQuery, Snowflake, Spark, and more. Helps developers write analytics code once and run it anywhere without rewriting SQL for each database.

> imagemagick

You are an expert in ImageMagick, the powerful command-line tool for creating, editing, compositing, and converting images. You help developers automate image processing pipelines using ImageMagick's `convert`, `mogrify`, `composite`, and `identify` commands — batch resizing, format conversion, watermarking, thumbnail generation, PDF manipulation, and complex image compositing for web applications, print production, and data visualization.

> imgix

Optimize and transform images with imgix. Use when serving responsive images, implementing image CDN, adding real-time transformations, or optimizing Core Web Vitals with image delivery.

> infisical

Manage application secrets and environment variables with Infisical — open-source secrets management platform. Use when someone asks to "manage secrets", "Infisical", "centralize environment variables", "secrets manager", "replace .env files", "rotate API keys", or "sync secrets to CI/CD". Covers secret storage, team sharing, auto-rotation, CI/CD injection, and Kubernetes integration.

> influxdb

Set up and manage InfluxDB for time-series data storage, querying, and analysis. Use when a user needs to configure InfluxDB buckets, write Flux queries, set up retention policies, create tasks for data downsampling, or build dashboards for time-series metrics.

> inngest

You are an expert in Inngest, the event-driven durable workflow engine for TypeScript. You help developers build reliable multi-step workflows, scheduled jobs, and event-driven functions with automatic retries, step-level caching, fan-out/fan-in patterns, rate limiting, and debouncing — running on any serverless platform (Vercel, Netlify, AWS Lambda, Cloudflare) with zero infrastructure to manage.

> inquirer

Build interactive CLI prompts with Inquirer.js. Use when creating interactive terminal UIs, multi-step wizards, form-like CLI inputs, or configuration generators with user input.

> instagram-marketing

Create, optimize, and automate Instagram content including Reels, Stories, carousels, and feed posts. Use when someone asks to "grow on Instagram", "create Instagram Reels", "Instagram content strategy", "Instagram API integration", "automate Instagram posting", "Instagram analytics", or "Instagram marketing". Covers Reels-first strategy, visual content guidelines, Instagram Graph API, and growth tactics.

> instructor

You are an expert in Instructor, the library for getting structured, validated output from LLMs. You help developers extract typed data from unstructured text using Pydantic models (Python) or Zod schemas (TypeScript), with automatic retries on validation failures, streaming partial objects, and support for OpenAI, Anthropic, Google, and local models — turning LLMs into reliable data extraction engines.

> intercom

Add customer messaging and support with Intercom. Use when a user asks to add in-app messaging, build a help center, set up customer onboarding flows, create product tours, or implement a support ticketing system.

> invoice-generator

Create professional invoices with proper formatting. Use when a user asks to generate an invoice, create a bill, make an invoice PDF, build an invoice for a client, or produce a billing document. Supports multiple currencies, tax calculations, discounts, and customizable templates.

> ionic

Expert guidance for Ionic, the open-source framework for building cross-platform mobile, desktop, and progressive web apps using web technologies (HTML, CSS, JavaScript/TypeScript). Helps developers build apps with Ionic's UI components, integrate with native device APIs via Capacitor, and deploy to iOS, Android, and web from a single codebase.

> ipfs

Store and retrieve files on IPFS (InterPlanetary File System). Use when a user asks to store files in a decentralized way, pin content on IPFS, upload NFT metadata, or use content-addressed storage.

> iptables

Configure Linux firewall with iptables/nftables. Use when a user asks to set up a firewall, block ports, allow specific traffic, configure NAT, or secure a Linux server network.

> iron-session

Manage encrypted sessions in Next.js with iron-session. Use for session auth, encrypted cookies, or stateless sessions without a database.

> istio

Istio service mesh for Kubernetes traffic management, security, and observability. Use when the user needs to configure traffic routing, mTLS, circuit breaking, fault injection, or observability for microservices.

> jaeger

Deploy and use Jaeger for distributed tracing across microservices. Use when a user needs to set up trace collection, instrument applications with OpenTelemetry, analyze trace data to find latency bottlenecks, or configure Jaeger storage backends and sampling strategies.

> jenkins-pipelines

Builds and manages Jenkins CI/CD pipelines. Use when the user wants to write Jenkinsfiles, configure declarative or scripted pipelines, set up multibranch pipelines, manage Jenkins agents and nodes, configure shared libraries, integrate with Docker/Kubernetes/cloud providers, set up webhooks and triggers, manage credentials and secrets, or troubleshoot build failures. Trigger words: jenkins, jenkinsfile, jenkins pipeline, jenkins agent, jenkins node, jenkins shared library, jenkins docker, jenki

> jest

Jest is a comprehensive JavaScript testing framework built by Meta, designed for zero-configuration testing of JavaScript and TypeScript applications. It provides a complete ecosystem for unit testing, integration testing, and snapshot testing with built-in code coverage, mocking capabilities, and parallel test execution. Jest works seamlessly with React, Node.js, Angular, Vue, and virtually any JavaScript project, making it the most widely adopted testing framework in the ecosystem.

> jira

Manage projects, issues, and workflows with Jira Cloud. Use when a user asks to set up Jira projects, create and manage issues, configure workflows, build Jira integrations, automate issue transitions, set up boards (Scrum/Kanban), manage sprints, use Jira REST API v3, create webhooks, build custom JQL queries, configure permissions and schemes, set up automation rules, or integrate Jira with CI/CD pipelines. Covers project administration, issue tracking, agile boards, API automation, and Atlass

> job-description

Create compelling job postings with requirements, responsibilities, and qualifications. Use when a user asks to write a job description, create a job posting, draft a job listing, build a role specification, define job requirements, or compose a hiring ad for a position.

> job-queue

Build job queues and background worker systems using BullMQ, Celery, or Sidekiq. Use when you need to offload slow tasks from request handlers — email sending, PDF generation, image processing, data exports, or any work that takes more than a few hundred milliseconds. Covers job priorities, concurrency control, scheduled jobs, progress tracking, and graceful shutdown. Trigger words: background job, worker, queue, async task, BullMQ, Celery, cron job, scheduled task, job retry.

> jotai

You are an expert in Jotai, the primitive and flexible state management library for React based on atomic state. You help developers build React applications with fine-grained reactivity using atoms (state primitives), derived atoms (computed values), async atoms (data fetching), and atom families — providing bottom-up state management where only components subscribing to changed atoms re-render.

> jupyter

Assists with interactive data analysis, visualization, and reproducible research using Jupyter notebooks. Use when building notebooks that combine code with rich output, managing kernels, converting to reports, or parameterizing notebooks for batch execution. Trigger words: jupyter, notebook, jupyterlab, ipynb, nbconvert, papermill.

> just

Run project commands with just (a modern make alternative). Use when a user asks to define project commands, replace Makefile, create a command runner, or standardize dev scripts.

> jwt-handler

When the user needs to generate, validate, refresh, or debug JSON Web Tokens. Use when the user mentions "JWT," "access token," "refresh token," "token rotation," "token expiration," "token validation," "bearer token," or "decode JWT." Handles secure token lifecycle including signing, verification, refresh rotation, and revocation. For full auth system design, see auth-system-setup.

> k6

When the user wants to perform load testing, stress testing, or performance testing of APIs and websites using k6. Also use when the user mentions "k6," "load test," "performance test," "stress test," "spike test," "soak test," "thresholds," "virtual users," or "VUs." For browser-based testing, see selenium.

> k8s-cost-optimizer

Analyzes Kubernetes cluster resource allocation versus actual usage to find waste and generate right-sizing recommendations. Use when someone asks about Kubernetes costs, overprovisioned pods, resource requests/limits tuning, cluster efficiency, or cloud bill reduction for K8s workloads. Trigger words: k8s costs, pod resources, right-size, overprovisioned, resource waste, cluster optimization, CPU/memory requests.

> kaboom

You are an expert in Kaboom.js (now maintained as Kaplay), the beginner-friendly game library for making browser games quickly. You help developers build games using Kaboom's component-based entity system, built-in physics, sprite loading, scene management, and event system — where games can be built in under 100 lines of code while still supporting complex gameplay through composable components.

> kafka

Build event-driven systems with Apache Kafka. Use when a user asks to set up message streaming, implement event sourcing, build pub/sub systems, process real-time data streams, or connect microservices with async messaging.

> kafka-js

You are an expert in KafkaJS, the pure JavaScript Apache Kafka client for Node.js. You help developers build event-driven architectures with producers, consumers, consumer groups, exactly-once semantics, SASL authentication, and admin operations — processing millions of events per second for real-time analytics, event sourcing, log aggregation, and microservices communication.

> kaggle-finetune

End-to-end workflow for fine-tuning LLMs using Kaggle datasets. Use when downloading datasets from Kaggle for model training, preparing conversation/customer service data for chatbot fine-tuning, or building domain-specific AI assistants. Covers dataset discovery, download, preprocessing into chat format, and integration with PEFT/LoRA training.

> kamal

Deploy web applications to any server with Kamal — zero-downtime Docker deployments without Kubernetes. Use when someone asks to "deploy to a VPS", "deploy without Kubernetes", "Kamal deploy", "simple Docker deployment", "deploy Rails/Node/Python to a server", "zero-downtime deployment to bare metal", or "replace Heroku with a VPS". Covers Docker-based deployment, zero downtime with Traefik, multi-server, secrets, and accessory services.

> keycloak

You are an expert in Keycloak, the open-source identity and access management solution by Red Hat. You help teams implement single sign-on (SSO), OAuth 2.0, OpenID Connect, SAML 2.0, user federation (LDAP/Active Directory), social login, multi-factor authentication, and fine-grained authorization — providing enterprise-grade identity management that can be self-hosted and customized.

> keystonejs

Expert guidance for KeystoneJS, the open-source headless CMS and application platform built on Node.js, GraphQL, and Prisma. Helps developers define content schemas, build admin interfaces, implement access control, and create custom GraphQL APIs for content-driven applications.

> kibana

Configure and use Kibana for Elasticsearch data visualization, dashboard creation, and log exploration. Use when a user needs to build dashboards with Lens, write KQL queries, set up data views, create visualizations, or configure Kibana spaces and role-based access.

> knex

You are an expert in Knex.js, the flexible SQL query builder for Node.js that supports PostgreSQL, MySQL, SQLite, and MSSQL. You help developers write type-safe queries with a chainable API, manage database migrations and seeds, build complex joins and subqueries, and use transactions — providing direct SQL control without the overhead of a full ORM.

> knip

Find and remove unused files, dependencies, and exports in JavaScript/TypeScript projects with Knip. Use when someone asks to "find unused code", "clean up dependencies", "remove dead code", "find unused exports", "Knip", "reduce bundle size by removing unused files", or "audit npm dependencies". Covers unused files, dependencies, exports, types, and CI integration.

> koa

You are an expert in Koa, the minimalist web framework created by the Express team. You help developers build APIs and web services using Koa's async/await middleware stack, context object, and composable architecture — providing a lightweight foundation where you add only what you need through middleware, without bundled routing or templating.

> konva

Build interactive 2D canvas applications with Konva. Use when a user asks to create drawing tools, image editors, interactive graphics, drag-and-drop interfaces, or canvas-based UIs using Konva or react-konva.

> kotlin-multiplatform

Expert guidance for Kotlin Multiplatform (KMP), JetBrains' technology for sharing code between Android, iOS, web, and desktop applications. Helps developers build shared business logic, networking, and data layers in Kotlin while keeping UI native on each platform.

> koyeb

Expert guidance for Koyeb, the serverless cloud platform for deploying full-stack applications, APIs, and workers globally with automatic scaling, built-in CI/CD, and edge networking. Helps developers deploy applications from Git or Docker with zero-downtime deployments and pay-per-use pricing.

> kubernetes-helm

Manages Kubernetes clusters and Helm charts. Use when the user wants to write Kubernetes manifests, create Helm charts, deploy applications, debug pods, configure networking (services, ingress), set up autoscaling, manage secrets and config maps, write operators, troubleshoot cluster issues, or implement GitOps workflows. Trigger words: kubernetes, k8s, kubectl, helm, helm chart, pod, deployment, service, ingress, namespace, configmap, secret, hpa, pvc, statefulset, daemonset, cronjob, operator,

> kysely

Write type-safe SQL with Kysely query builder. Use when a user asks to write raw SQL with TypeScript safety, build queries without an ORM, use a lightweight SQL builder, or migrate from Knex with type safety.

> kyverno

Expert guidance for Kyverno, the Kubernetes-native policy engine that validates, mutates, and generates resources using YAML policies (no Rego required). Helps developers enforce security policies, automate resource defaults, and ensure compliance across Kubernetes clusters.

> label-studio

Open-source data labeling and annotation platform for ML projects. Supports text, image, audio, video, and time-series data. Features configurable labeling interfaces, ML-assisted labeling, team collaboration, and API integration for automated workflows.

> lancedb

Embedded vector database with LanceDB — serverless, zero-config vector search for AI applications. Use when someone asks to "vector search without a server", "embedded vector database", "LanceDB", "local vector search", "serverless vector DB", "vector search in a file", or "lightweight RAG storage". Covers table creation, vector search, full-text search, hybrid search, and multimodal embeddings.

> langchain

Build LLM-powered applications with LangChain. Use when a user asks to create AI chains, build RAG pipelines, implement agents with tools, set up document loaders, create vector stores, build conversational AI, implement prompt templates, chain LLM calls, add memory to chatbots, or orchestrate language model workflows. Covers LangChain v0.3+ with LCEL (LangChain Expression Language), structured output, tool calling, retrieval, and production deployment patterns.

> langfuse

You are an expert in Langfuse, the open-source LLM engineering platform. You help developers trace LLM calls, evaluate output quality, manage prompts, track costs and latency, run experiments, and build evaluation datasets — providing full observability into AI applications from development through production.

> langgraph

Build stateful, multi-step AI agents and workflows with LangGraph. Use when a user asks to create AI agents with complex logic, build multi-agent systems, implement human-in-the-loop workflows, create state machines for LLMs, build agentic RAG, implement tool-calling agents with branching logic, create planning agents, build supervisor/worker patterns, or orchestrate multi-step AI pipelines with cycles, persistence, and streaming.

> langsmith

Monitor, trace, debug, and evaluate LLM applications with LangSmith. Use when a user asks to trace LLM calls, debug chain executions, evaluate AI output quality, set up LLM observability, monitor agent performance, run prompt experiments, compare model outputs, create evaluation datasets, track token usage and latency, or build LLM testing pipelines. Covers tracing, datasets, evaluators, annotation queues, prompt hub, and production monitoring.

> langtrace

You are an expert in Langtrace, the open-source observability platform for LLM applications built on OpenTelemetry. You help developers trace LLM calls, RAG pipelines, agent tool use, and chain executions with automatic instrumentation for OpenAI, Anthropic, LangChain, LlamaIndex, and 20+ providers — providing cost tracking, latency analysis, token usage, and quality evaluation in a self-hostable dashboard.

> laravel

You are an expert in Laravel, the most popular PHP framework for building web applications and APIs. You help developers build production systems with Eloquent ORM, Blade templating, Artisan CLI, queues, events, middleware, authentication (Sanctum/Breeze), Livewire for reactive UI, and a rich ecosystem of first-party packages — enabling rapid development without sacrificing code quality.

> launchdarkly

Manage feature flags with LaunchDarkly. Use when a user asks to implement feature flags, roll out features gradually, do A/B testing, control feature access by user segment, or implement kill switches for features.

> launch-strategy

When the user wants to plan a product launch, feature announcement, or release strategy. Also use when the user mentions 'launch,' 'Product Hunt,' 'feature release,' 'announcement,' 'go-to-market,' 'beta launch,' 'early access,' 'waitlist,' or 'product update.' This skill covers phased launches, channel strategy, and ongoing launch momentum.

> lead-qualification

Score and qualify sales leads based on criteria and fit. Use when a user asks to qualify leads, score prospects, prioritize sales leads, evaluate lead quality, rank leads by fit, assess sales pipeline, or determine which leads to pursue first. Supports BANT, MEDDIC, and custom scoring frameworks.

> leaflet

Build interactive maps with Leaflet.js. Use when a user asks to create map-based applications, add markers and popups, draw shapes, handle geolocation, or integrate tile layers in web applications.

> lean-canvas

Expert guidance for Lean Canvas, the one-page business model framework by Ash Maurya adapted from the Business Model Canvas. Helps founders and product teams map their business model in under 20 minutes, identify the riskiest assumptions, and iterate quickly. Also covers related frameworks: Business Model Canvas, Value Proposition Canvas, and SWOT analysis.

> lefthook

Fast Git hooks manager written in Go. Use when a user asks to set up Git hooks without Node.js dependency, run parallel pre-commit checks, or find a faster alternative to Husky.

> lemon-squeezy

You are an expert in Lemon Squeezy, the all-in-one payments platform that acts as your Merchant of Record. You help developers sell software, subscriptions, and digital products with automatic global tax handling (VAT, sales tax), invoicing, license keys, customer portal, and fraud protection — without needing to register for tax IDs or handle payment compliance yourself.

> leptos

You are an expert in Leptos, the full-stack Rust web framework that combines server-side rendering with client-side interactivity via WebAssembly. You help developers build reactive web applications using Leptos's fine-grained signal system, server functions, islands architecture, and compile-time optimizations — getting React-like DX with Rust's performance and type safety.

> letsencrypt

Get free TLS certificates with Certbot and Let's Encrypt. Use when a user asks to add HTTPS to a website, get a free SSL certificate, auto-renew certificates, or secure a web server with TLS.

> lighthouse-ci

Automate Lighthouse audits in CI with Lighthouse CI. Use when a user asks to track Core Web Vitals, prevent performance regressions, audit accessibility in CI, or set performance budgets for web apps.

> linear

Manage projects and issues with Linear. Use when a user asks to set up Linear workspaces, create issues and projects, automate workflows, build Linear integrations, sync issues with GitHub, manage sprints and cycles, set up triage processes, build custom views, use Linear's GraphQL API, create webhooks, automate issue transitions, or build tools on top of Linear. Covers workspace configuration, team workflows, API automation, and integration patterns.

> linkedin-marketing

Create, optimize, and automate LinkedIn content for personal branding, lead generation, and B2B marketing. Use when someone asks to "write a LinkedIn post", "grow on LinkedIn", "LinkedIn content strategy", "LinkedIn API integration", "automate LinkedIn posting", "LinkedIn carousel", "LinkedIn analytics", or "LinkedIn outreach". Covers content creation with platform-specific formatting, API integration, analytics, and growth strategies.

> linkerd

Linkerd lightweight service mesh for Kubernetes. Use when the user needs automatic mTLS, traffic splitting, retries, and observability with minimal resource overhead and operational complexity.

> litellm

Call 100+ LLM APIs with one interface using LiteLLM — unified API proxy for OpenAI, Anthropic, Google, Mistral, Cohere, and self-hosted models. Use when someone asks to "switch between LLM providers", "LiteLLM", "unified LLM API", "LLM proxy", "call Claude and GPT with the same code", "LLM load balancing", or "multi-model AI gateway". Covers provider routing, fallbacks, rate limiting, spend tracking, and self-hosted proxy.

> liveblocks

Expert guidance for Liveblocks, the platform for adding real-time collaboration features to web applications. Helps developers implement live cursors, presence indicators, collaborative editing, comments, and notifications using Liveblocks' React hooks and APIs.

> livekit

Build real-time audio and video applications with LiveKit. Use when a user asks to implement WebRTC rooms, video conferencing, live streaming, screen sharing, or real-time communication using the LiveKit SDK.

> llamafile

Expert guidance for llamafile, the tool that packages LLMs into single executable files that run on any OS (Linux, macOS, Windows, FreeBSD) without installation. Helps developers create portable AI applications, run models offline, and distribute LLMs as self-contained binaries with built-in web UI and OpenAI-compatible API.

> llamaindex

Assists with building RAG pipelines, knowledge assistants, and data-augmented LLM applications using LlamaIndex. Use when ingesting documents, configuring retrieval strategies, building query engines, or creating multi-step agents. Trigger words: llamaindex, rag, retrieval augmented generation, vector index, query engine, document loader, knowledge base.

> llamaindex-ts

You are an expert in LlamaIndex.TS, the TypeScript data framework for building RAG (Retrieval-Augmented Generation) applications. You help developers ingest, index, and query data from any source — documents, APIs, databases — and connect it to LLMs with vector indexes, knowledge graphs, structured extraction, agents, and multi-document synthesis.

> llm-cost-optimizer

Track, analyze, and reduce LLM API costs — model routing, prompt caching, semantic caching, and budget alerts. Use when someone asks to "reduce AI costs", "track LLM spending", "optimize API costs", "set up model routing", "cache LLM responses", "compare model costs", "set budget limits for AI", or "my OpenAI bill is too high". Covers cost tracking per feature/user, smart model routing (expensive model for hard tasks, cheap for easy), semantic caching, prompt compression, and budget alerting.

> lm-studio-subagents

Offload tasks to local LLMs via LM Studio. Use when a user asks to run local models with LM Studio, save API costs by using local LLMs, create subagents with local models, offload summarization or classification to a local model, or use LM Studio's API for batch processing. Covers local model inference, task delegation, and cost optimization.

> load-balancer

Configure and optimize load balancers and reverse proxies using Nginx, HAProxy, and cloud ALBs. Use when someone asks to "set up load balancing", "configure Nginx reverse proxy", "set up HAProxy", "add SSL termination", "configure health checks", "proxy WebSocket connections", "rate limit traffic", or "set up failover". Covers L4/L7 balancing, SSL, rate limiting, caching, WebSocket proxying, and health checks.

> localai

Expert guidance for LocalAI, the open-source drop-in replacement for OpenAI's API that runs locally. Helps developers self-host LLMs, image generators, audio transcription, and text-to-speech models with an OpenAI-compatible API — no GPU required, completely offline and private.

> locust

When the user wants to perform load testing using Python with Locust's distributed architecture and real-time web UI. Also use when the user mentions "locust," "Python load testing," "distributed load test," "locust web UI," or "locustfile." For JavaScript-based load testing, see k6 or artillery.

> log-analyzer

Analyze application logs, server logs, and error traces to identify root causes, patterns, and anomalies. Use when debugging production incidents, investigating error spikes, parsing crash reports, or correlating events across multiple log sources. Trigger words: logs, errors, stack trace, crash, exception, debug, incident, 500 errors, timeout, latency spike.

> logstash

Configure Logstash for log ingestion, parsing, transformation, and output to Elasticsearch and other destinations. Use when a user needs to build log processing pipelines, write Grok patterns, parse unstructured logs, enrich events, or set up multi-pipeline Logstash deployments.

> loki

Loki is a horizontally scalable log aggregation system built by Grafana Labs. Unlike traditional log platforms that index the full text of every log line, Loki indexes only metadata labels, making it significantly cheaper to operate. It integrates natively with Grafana for querying and visualization, and uses LogQL — a query language inspired by PromQL — to filter, parse, and aggregate log streams.

> loops

Send marketing and transactional emails with Loops. Use when a user asks to set up email marketing for a SaaS, create drip campaigns, send product update emails, or use a modern alternative to Mailchimp for startups.

> lottie

Play After Effects animations on web and mobile with Lottie — load JSON animation files, control playback, listen to events, and integrate animations into React, Vue, or vanilla JS apps. Use when tasks involve adding motion graphics, animated icons, loading indicators, or micro-interactions exported from After Effects or other animation tools.

> lovable

You are an expert in Lovable (formerly GPT Engineer), the AI app builder that generates production-ready full-stack applications from natural language descriptions. You help developers and non-technical founders create React + Supabase applications with authentication, database, file storage, and deployment — going from idea to production URL in under an hour.

> lucia-auth

You are an expert in Lucia, the lightweight authentication library for TypeScript. You help developers implement session-based authentication with email/password, OAuth (Google, GitHub, Discord), magic links, and two-factor authentication — providing a simple, database-agnostic auth layer that you understand and control, without the complexity of full auth platforms.

> maestro

When the user wants to write mobile UI tests using Maestro's simple YAML-based flow definitions. Also use when the user mentions "maestro," "mobile UI testing," "YAML mobile tests," "maestro flows," or "maestro studio." For React Native-specific gray-box testing, see detox. For cross-platform mobile automation, see appium.

> mailgun

Send and receive emails with Mailgun. Use when a user asks to send bulk emails, set up email routing, validate email addresses, track email engagement, or handle both transactional and marketing emails.

> make-com

You are an expert in Make.com (formerly Integromat), the visual automation platform for connecting apps and building workflows without code. You help teams build scenarios using drag-and-drop modules, routers for conditional logic, iterators for array processing, and aggregators for data collection — enabling non-technical users to automate business processes across 1,500+ apps.

> malloy

Expert guidance for Malloy, the experimental data language from Google that replaces SQL for analytics with a composable, reusable, and more readable syntax. Helps developers write Malloy models, build nested queries, and explore data with Malloy's VS Code extension and notebook interface.

> mantine

Build React applications with the Mantine UI component library. Use when a user asks to use Mantine components, configure themes, implement forms with validation, add notifications, or build responsive layouts with Mantine hooks.

> mapbox

Build map-based applications with the Mapbox GL JS SDK. Use when a user asks to create interactive maps, add custom layers, implement geocoding, build navigation features, or visualize geospatial data with Mapbox.

> maps-geolocation

Build location-based features with mapping APIs. Use when a user asks to integrate Google Maps, Mapbox, or Leaflet, implement geocoding and reverse geocoding, calculate routes and distances, build store locators, add interactive maps to web apps, implement geofencing, work with GeoJSON, build delivery tracking systems, optimize routes for fleets, display heatmaps, implement address autocomplete, or build any location-aware application. Covers Google Maps Platform, Mapbox, Leaflet, and OpenStreet

> markdown-new

Convert any public URL into clean, LLM-ready Markdown using the markdown.new service. Use for content extraction, RAG ingestion, article summarization, research, archiving, and token-efficient web reading.

> markdown-writer

Generate well-structured technical documentation in Markdown. Use when a user asks to write docs, create a README, document an API, write a how-to guide, generate technical documentation, create a changelog, write a project wiki, or produce any structured Markdown content. Follows documentation best practices for clarity and completeness.

> marketing-ideas

When the user needs marketing ideas, inspiration, or strategies for their SaaS or software product. Also use when the user asks for 'marketing ideas,' 'growth ideas,' 'how to market,' 'marketing strategies,' 'marketing tactics,' 'ways to promote,' or 'ideas to grow.' This skill provides 139 proven marketing approaches organized by category.

> marketing-psychology

When the user wants to apply psychological principles, mental models, or behavioral science to marketing. Also use when the user mentions 'psychology,' 'mental models,' 'cognitive bias,' 'persuasion,' 'behavioral science,' 'why people buy,' 'decision-making,' or 'consumer behavior.' This skill provides 70+ mental models organized for marketing application.

> marko

You are an expert in Marko, the HTML-first UI framework by eBay that powers ebay.com. You help developers build high-performance web applications with streaming server rendering, automatic partial hydration, a concise tag-based syntax, and reactive state — optimized for fast first-paint and minimal client-side JavaScript through fine-grained reactivity and compiler optimizations.

> mastra

You are an expert in Mastra, the TypeScript framework for building AI agents, RAG pipelines, and workflows. You help developers create production AI applications with type-safe agent definitions, tool integration, vector-based knowledge retrieval, multi-step workflows with branching and error handling, and integration with 50+ third-party services — designed for TypeScript teams who want agent capabilities without Python dependencies.

> mcp-sdk

You are an expert in MCP (Model Context Protocol), the open standard by Anthropic for connecting AI models to external tools and data sources. You help developers build MCP servers that expose tools, resources, and prompts to any MCP-compatible client (Claude Desktop, Cursor, Windsurf, Cline, Continue) — creating a universal plugin system for AI assistants.

> mcp-server-builder

Build Model Context Protocol (MCP) servers that connect AI agents to external services and data sources. Use when a user asks to create an MCP server, build an MCP tool, connect an AI agent to an API, create a tool server for Claude, build MCP resources, or expose a database/service via MCP. Generates TypeScript or Python MCP servers with tools, resources, and prompts following the official MCP specification.

> media-buying

Plan and execute media buying across digital and traditional channels — programmatic advertising, DSP platforms, direct buys, and budget allocation. Use when tasks involve programmatic ad buying, real-time bidding (RTB), demand-side platform setup, media plan creation, CPM/CPC/CPA optimization, cross-channel budget allocation, audience segmentation for paid media, or negotiating direct ad placements.

> medusa

Build headless e-commerce backends with Medusa.js. Use when a user asks to build an online store backend, create a headless e-commerce platform, set up product management and checkout, build a custom storefront, add payment processing to an e-commerce app, manage inventory and orders, or replace Shopify with an open-source alternative. Covers products, carts, orders, payments (Stripe), shipping, plugins, and Next.js storefront integration.

> meeting-notes

Transform raw meeting notes or transcripts into structured, actionable summaries. Use when a user asks to summarize meeting notes, organize a transcript, extract action items from a meeting, create meeting minutes, format discussion notes, or turn a call recording transcript into a summary.

> meilisearch

Add fast, typo-tolerant full-text search with Meilisearch. Use when a user asks to add search to an app, implement full-text search, set up a search engine, replace Elasticsearch with something simpler, add autocomplete or instant search, build a product catalog search, index documents for search, configure search relevancy, add faceted filtering, or deploy a self-hosted search engine. Covers indexing, querying, facets, filtering, sorting, multi-tenancy, and integration with Node.js, Python, and

> mem0

You are an expert in Mem0, the memory infrastructure for AI applications. You help developers add persistent, personalized memory to LLM-powered apps and agents — storing user preferences, conversation history, facts, and context that persists across sessions, enabling AI that remembers users, learns from interactions, and provides increasingly personalized responses.

> mermaid

Generate diagrams from text with Mermaid.js. Use when a user asks to create flowcharts, sequence diagrams, ERD diagrams, Gantt charts, class diagrams, or embed diagrams in Markdown documentation.

> metabase

Metabase is an open-source business intelligence tool for creating dashboards and visualizations. Learn Docker deployment, database connections, creating questions and dashboards, embedding analytics, and API usage.

> metasploit

Exploit vulnerabilities with Metasploit Framework. Use when a user asks to exploit known CVEs, generate payloads, perform post-exploitation, pivot through networks, or build exploit chains in penetration tests.

> microsoft-teams

Build bots, automate workflows, and manage Microsoft Teams programmatically via Microsoft Graph API. Use when someone asks to "build a Teams bot", "automate Teams messages", "create Teams channels", "integrate with Teams", "Teams webhook", "send Teams notifications", "manage Teams meetings", or "Teams app development". Covers Graph API for messaging, channels, meetings, bots with Bot Framework, incoming webhooks, and Power Automate integration.

> microsoft-word

Create, edit, and manipulate Word documents (.docx) programmatically. Use when someone asks to "generate a Word document", "create a report in docx", "mail merge", "fill Word template", "extract text from Word", "convert markdown to Word", "add tables to Word", or "automate document generation". Covers python-docx for file manipulation, docxtpl for templates, and Microsoft Graph API for cloud documents.

> mikro-orm

You are an expert in MikroORM, the TypeScript ORM built on Unit of Work and Identity Map patterns. You help developers build data layers with decorator-based entities, automatic change tracking, lazy/eager loading, embeddables, query builder, migrations, and seeding — supporting PostgreSQL, MySQL, SQLite, and MongoDB with a DDD-friendly architecture.

> minio

Self-host S3-compatible object storage with MinIO. Use when a user asks to set up self-hosted object storage, create an S3-compatible API on their own server, store files without AWS, set up a private cloud storage, manage buckets and objects, configure storage for backups, host static assets, or replace AWS S3 with a self-hosted solution. Covers single-node and distributed deployment, bucket management, presigned URLs, lifecycle policies, and integration with apps via the S3 API.

> mintlify

Create beautiful developer documentation with Mintlify — AI-powered docs platform. Use when someone asks to "create documentation site", "Mintlify", "developer docs", "API documentation", "beautiful docs like Stripe", or "documentation platform with AI search". Covers page creation, API reference generation, components, analytics, and AI chat.

> mise

Manage tool versions and tasks with mise (formerly rtx). Use when a user asks to manage Node.js/Python/Go versions per project, replace nvm/pyenv/asdf, or define project-level tool requirements.

> mixpanel

Product analytics with Mixpanel — event tracking, funnels, retention analysis, user segmentation, and A/B testing. Covers JavaScript SDK for frontend tracking, server-side tracking with Node.js and Python, identity management, group analytics, and the Query API. Use when tasks involve tracking user behavior in web or mobile apps, building conversion funnels, analyzing retention curves, or running experiments.

> mkdocs

Build documentation sites with MkDocs and Material for MkDocs. Use when a user asks to create project documentation, configure MkDocs themes, add search and navigation, deploy docs to GitHub Pages, or customize Markdown extensions.

> mlflow

Open-source platform for managing the ML lifecycle. Track experiments with metrics and parameters, register and version models, deploy models to various targets, and build reproducible ML pipelines. Integrates with all major ML frameworks.

> mobx

You are an expert in MobX, the simple and scalable state management library based on transparent reactive programming. You help developers build React applications with observable state, automatic tracking of dependencies, computed values, actions for state mutations, and reactions for side effects — providing a natural, class-based or functional approach where the UI automatically updates when state changes without manual subscriptions.

> mockoon

When the user wants to create mock API servers locally using Mockoon with its GUI or CLI. Also use when the user mentions "mockoon," "API mocking," "mock server," "mock API," "OpenAPI mock," or "local API simulation." For programmatic HTTP mocking, see wiremock.

> modal

Serverless GPU compute platform for running Python functions in the cloud. Deploy ML models, run training jobs, and serve inference endpoints without managing infrastructure. Supports A100/H100 GPUs, custom container images, and scales to zero automatically.

> mojo

Expert guidance for Mojo, the programming language by Modular that combines Python's usability with C-level performance. Helps developers write high-performance AI/ML code, optimize numerical computations with SIMD and parallelism, and gradually port Python code to Mojo for orders-of-magnitude speedups.

> mongodb

Assists with designing document schemas, building aggregation pipelines, managing indexes, and operating MongoDB clusters. Use when working with flexible schemas, nested documents, horizontal scaling, Atlas Search, or vector search for AI applications. Trigger words: mongodb, mongo, document database, aggregation, atlas, nosql.

> mongoose

You are an expert in Mongoose, the elegant MongoDB object modeling library for Node.js. You help developers define schemas with validation, build queries with a fluent API, use middleware hooks, populate references, create virtual fields, and handle transactions — providing structure and type safety on top of MongoDB's flexible document model.

> monorepo-manager

Manage dependencies, workspace configurations, and cross-package relationships in monorepos using npm workspaces, pnpm, Yarn, Turborepo, or Nx. Use when syncing dependency versions across packages, resolving version conflicts, analyzing the dependency graph, or setting up build orchestration. Trigger words: monorepo, workspace, dependency sync, version conflict, turborepo, nx, pnpm workspace, cross-package, internal dependency.

> moonrepo

Manage monorepos and task orchestration with moonrepo — a Rust-based build system for JavaScript/TypeScript projects. Use when someone asks to "manage a monorepo", "moonrepo", "task runner for monorepo", "faster than Turborepo", "build system with dependency graph", or "monorepo tooling". Covers project configuration, task orchestration, dependency graph, caching, CI optimization, and toolchain management.

> motherduck

Expert guidance for MotherDuck, the serverless analytics platform built on DuckDB that combines local and cloud query execution. Helps developers run SQL analytics on cloud-hosted data, share datasets, and build hybrid local-cloud data pipelines using DuckDB's familiar interface.

> motion

You are an expert in Motion, the production-ready animation library for React (formerly Framer Motion). You help developers create fluid animations, layout transitions, scroll-linked effects, gesture interactions, shared layout animations, and exit animations — using a declarative API where animations are defined as props rather than imperative code.

> moviepy

Edit and compose video with Python using MoviePy. Use when a user asks to programmatically edit videos, create video montages, add text overlays, build automated video pipelines, composite multiple clips, apply video effects, generate social media videos from templates, concatenate clips, extract audio, create GIFs, build slideshows, add transitions, resize and crop videos, or integrate video editing into Python applications. Covers MoviePy 2.x for compositing, effects, text, and rendering.

> ms-access

Build and manage Microsoft Access databases, queries, forms, reports, and VBA automation. Use when someone asks to "create Access database", "write Access queries", "build Access forms", "Access VBA macro", "migrate from Access", "Access report", "link Access to SQL Server", or "convert Access to web app". Covers table design, relationships, SQL queries, forms, reports, VBA automation, and migration strategies to modern platforms.

> msgpack

You are an expert in MessagePack, the efficient binary serialization format. You help developers replace JSON with a compact binary format that's 30-50% smaller and 2-10x faster to parse — supporting all JSON types plus binary data, timestamps, and custom extensions, with libraries available for 50+ programming languages.

> msw

Assists with intercepting network requests for API mocking using Mock Service Worker (MSW). Use when mocking REST or GraphQL APIs for unit tests, integration tests, or local development without modifying application code or running mock servers. Trigger words: msw, mock service worker, api mocking, test mocking, request handlers, setupServer.

> mysql

MySQL is the world's most popular open-source relational database management system. Learn installation, SQL queries, indexing strategies, replication setup, and client integration with Node.js (mysql2) and Python (mysql-connector).

> n8n

Build workflow automations with n8n. Use when a user asks to automate business workflows, connect APIs visually, build integrations between apps, self-host a Zapier alternative, or create data pipelines with a visual editor.

> n8n-self-host

Self-host, configure, scale, and manage n8n instances. Use when a user asks to install n8n with Docker, set up n8n in production, configure n8n environment variables, scale n8n with workers, back up n8n workflows, restore n8n data, manage n8n via CLI or REST API, monitor n8n, troubleshoot n8n issues, set up n8n with PostgreSQL, or deploy n8n with a reverse proxy. For designing n8n workflows and nodes, see n8n-workflow.

> n8n-workflow-sdk

Build n8n workflows programmatically with the official TypeScript SDK. Use when a user asks to create n8n workflows from code, generate workflow JSON, build automation pipelines programmatically, convert between n8n JSON and TypeScript, or integrate n8n workflow creation into applications.

> nagios

Configure Nagios for infrastructure monitoring, service checks, host monitoring, and alert notifications. Use when a user needs to set up Nagios Core, write check commands, configure host and service definitions, manage notification contacts, or create custom monitoring plugins.

> nanostores

You are an expert in Nanostores, the tiny (< 1KB) state manager for framework-agnostic JavaScript. You help developers manage application state with atoms, maps, computed stores, and async data fetching — working identically across React, Vue, Svelte, Solid, Angular, and vanilla JS with lazy subscriptions that only activate when the store is actually used in a component.

> nativewind

Use Tailwind CSS in React Native with NativeWind — write className instead of StyleSheet. Use when someone asks to "use Tailwind in React Native", "NativeWind", "style React Native with Tailwind", "className in React Native", or "utility-first styling for mobile". Covers setup, responsive design, dark mode, animations, and platform-specific styles.

> nats-messaging

Build distributed messaging systems with NATS — pub/sub, request/reply, JetStream persistent messaging, and key-value store. Use when someone asks to "set up message queue", "pub/sub system", "event-driven architecture", "NATS messaging", "distributed messaging", "microservice communication", "message broker", or "replace Kafka/RabbitMQ with something simpler". Covers core NATS, JetStream, KV store, and object store.

> nda-generator

Generate professional Non-Disclosure Agreements for meetings, partnerships, and employment. Use when a user asks to create an NDA, draft a confidentiality agreement, generate a non-disclosure document, make an NDA for a meeting, or prepare a mutual NDA for a partnership. Supports unilateral and mutual NDAs.

> neo4j

Neo4j is the leading graph database for connected data. Learn Cypher query language, node and relationship modeling, graph algorithms, and integration with Node.js using the official neo4j-driver.

> neon

Assists with building applications using Neon serverless PostgreSQL. Use when setting up serverless databases, creating branches for development workflows, integrating with edge runtimes, or configuring Prisma/Drizzle with Neon. Trigger words: neon, serverless postgres, database branching, neon serverless driver, pgvector, neon database.

> neon-branching

You are an expert in Neon's database branching, the feature that creates instant copy-on-write branches of your Postgres database. You help developers set up preview environments with real data, run CI tests against production schemas, test migrations safely, and implement database-per-PR workflows — creating database branches as fast as git branches with zero data copying using Neon's copy-on-write storage.

> neon-serverless

You are an expert in Neon, the serverless Postgres platform. You help developers use fully managed PostgreSQL with instant database branching, autoscaling to zero, edge-compatible HTTP driver, connection pooling, and point-in-time recovery — enabling development workflows where each PR gets its own database branch and production scales automatically based on load.

> nestjs

NestJS is a progressive TypeScript framework for building scalable server-side applications on Node.js. It uses decorators, modules, dependency injection, and an opinionated architecture inspired by Angular.

> new-relic

Set up and manage New Relic for full-stack observability including APM, browser monitoring, infrastructure monitoring, and alerting. Use when a user needs to instrument applications, write NRQL queries, create dashboards, configure alert policies, or integrate New Relic with their deployment pipeline.

> next-intl

Internationalize Next.js apps with next-intl. Use when adding multi-language support, locale routing, date/number formatting, or translating UI content.

> nextjs

Assists with building production-grade React applications using Next.js. Use when working with the App Router, Server Components, Server Actions, Middleware, or deploying to Vercel or self-hosted environments. Trigger words: nextjs, next.js, app router, server components, server actions, react framework, ssr, isr.

> nextra

Build documentation and content sites with Nextra, the Next.js-based static site generator. Use when a user asks to create docs sites, configure Nextra themes, add MDX content, set up search, or deploy Nextra projects.

> next-safe-action

Type-safe Server Actions in Next.js with next-safe-action. Use when a user asks to validate server action inputs, handle errors in server actions, add middleware to actions, or build type-safe mutations in Next.js.

> nginx

Assists with configuring Nginx as a web server, reverse proxy, and load balancer. Use when serving static files, proxying to application servers, setting up TLS termination, configuring caching, rate limiting, or writing security headers. Trigger words: nginx, reverse proxy, load balancer, tls, ssl, server block, location block.

> ngrok

Expose local services to the internet through secure tunnels. Use ngrok to share development servers, test webhooks locally, demo applications to clients, and create temporary public URLs for any local port.

> nhost

Expert guidance for Nhost, the open-source backend platform built on PostgreSQL, Hasura GraphQL, and serverless functions. Helps developers set up authentication, database, file storage, and real-time subscriptions with auto-generated GraphQL APIs and a developer-friendly SDK.

> nikto

Scan web servers for vulnerabilities with Nikto. Use when a user asks to audit web server configuration, find outdated software, detect dangerous files, check for misconfigurations, or perform web server security scanning.

> nitro

Build server-side applications with Nitro — the engine behind Nuxt server routes and Analog. Use when someone asks to "create an API server", "deploy to edge", "build server routes", "universal JavaScript server", "Nitro server", "deploy to Cloudflare Workers/Vercel/Netlify/Deno", or "isomorphic server". Covers API routes, middleware, storage, caching, WebSocket, task scheduling, and deployment to 15+ platforms with zero config changes.

> nitropack

You are an expert in Nitro (NitroJS), the universal server engine powering Nuxt, Analog, and SolidStart. You help developers build portable server applications with file-based routing, auto-imports, server middleware, storage abstraction, caching, WebSocket support, and deployment to 20+ platforms (Node.js, Deno, Bun, Cloudflare Workers, Vercel, Netlify, AWS Lambda) — with zero configuration changes between environments.

> nixpacks

Expert guidance for Nixpacks, the build system created by Railway that automatically detects your application's language and framework, installs dependencies, and produces optimized Docker images — all without writing a Dockerfile. Helps developers configure Nixpacks for custom build steps, multi-language projects, and CI/CD integration.

> nmap-recon

Perform network reconnaissance with Nmap. Use when a user asks to scan networks, discover hosts and services, detect OS versions, find open ports, enumerate service versions, or perform initial reconnaissance for a penetration test.

> nocodb

Build database applications with NocoDB, the open-source Airtable alternative. Use when a user asks to create spreadsheet views of databases, build forms, configure automations, use the NocoDB API, or self-host NocoDB.

> nomad

HashiCorp Nomad workload orchestrator for deploying containers, VMs, and standalone applications. Use when the user needs to write job specifications, manage deployments, configure scaling, or run batch and service workloads across a cluster.

> northflank

Expert guidance for Northflank, the cloud platform that combines PaaS simplicity with Kubernetes power for deploying applications, databases, and jobs. Helps developers configure build pipelines, deploy services, manage databases, and set up CI/CD workflows with Northflank's Infrastructure as Code and API.

> notification-system

Designs and implements multi-channel notification systems with email, push, and in-app delivery. Use when you need to build a notification service, set up user notification preferences, create delivery pipelines, implement retry logic for failed notifications, or route messages across channels. Trigger words: notification system, push notifications, email notifications, in-app notifications, notification preferences, delivery tracking, unsubscribe, notification routing.

> notion

Build integrations with the Notion API — databases, pages, blocks, comments, search, and OAuth. Use when tasks involve reading or writing Notion workspace data, syncing external tools with Notion databases, building dashboards from Notion content, or automating page creation and updates.

> novu

You are an expert in Novu, the open-source notification infrastructure platform. You help developers build multi-channel notification systems supporting email, SMS, push, in-app, and chat (Slack/Discord) — with workflow orchestration, digest/batching, user preferences, template management, and a pre-built notification center component for React.

> nuclei-scanner

Scan web applications and infrastructure for vulnerabilities with Nuclei — template-based security scanner. Use when someone asks to "scan for vulnerabilities", "security scan my website", "Nuclei scanner", "find CVEs", "automated security testing", "vulnerability assessment", or "check for misconfigurations". Covers template scanning, custom templates, CI integration, and severity-based reporting.

> nuxt

You are an expert in Nuxt 3, the full-stack Vue framework with server-side rendering, auto-imports, file-based routing, API routes powered by Nitro, and 200+ modules. You help developers build production Vue applications with hybrid rendering (SSR/SSG/SPA per route), server components, middleware, state management with useState, data fetching with useFetch/useAsyncData, and deployment to 20+ platforms.

> nx

Build and manage monorepos with Nx. Use when a user asks to set up a monorepo, manage multiple packages/apps, cache builds, run affected tests, or migrate from Lerna.

> oauth2-oidc

Assists with implementing OAuth 2.0 and OpenID Connect for secure authentication and authorization. Use when configuring authorization flows, validating tokens, implementing PKCE for public clients, setting up social login, or building secure token handling for SPAs, mobile apps, and APIs. Trigger words: oauth, oidc, openid connect, authorization code, pkce, jwt, access token, refresh token.

> observability-setup

Set up end-to-end observability for microservices. Use when someone asks to "add tracing", "set up monitoring", "configure OpenTelemetry", "build Grafana dashboards", "distributed tracing", "structured logging", "metrics collection", or "debug production issues". Covers OpenTelemetry instrumentation, collector configuration, Grafana LGTM stack deployment, dashboard provisioning, and alert rules.

> obsidian

Build plugins, automate workflows, and manage knowledge bases in Obsidian. Use when a user asks to create Obsidian plugins, set up vault structures, automate note-taking workflows, build templates with Templater, write Dataview queries, create custom CSS themes, integrate Obsidian with external tools, build publishing pipelines, manage Zettelkasten or PKM systems, implement daily notes workflows, or extend Obsidian with community plugins. Covers plugin development, vault architecture, automation

> offer-letter

Create formal employment offer letters with compensation details and terms. Use when a user asks to write an offer letter, draft an employment offer, create a job offer, compose a compensation letter, generate a formal hiring letter, or prepare an employment agreement for a candidate.

> okr-planning

Expert guidance for OKR (Objectives and Key Results) planning, helping product teams set ambitious goals, define measurable outcomes, align teams, and run quarterly planning cycles. Applies frameworks from John Doerr (Measure What Matters), Christina Wodtke (Radical Focus), and practices from Google, Intel, and high-growth startups.

> ollama

Run LLMs locally with Ollama. Use when a user asks to run AI models locally, self-host a language model, use LLaMA or Mistral on their machine, run offline AI, build a local chatbot, avoid sending data to cloud AI providers, generate text without API costs, fine-tune or customize local models, or set up a private AI inference server. Covers model management, API usage, Modelfile customization, GPU acceleration, and integration with LangChain and other frameworks.

> ollama-sdk

You are an expert in Ollama, the tool for running open-source LLMs locally. You help developers run Llama, Mistral, Gemma, Phi, CodeLlama, and other models on their machine with a simple CLI and REST API — enabling private AI development, offline inference, fine-tuning experiments, and cost-free prototyping without sending data to cloud APIs.

> onboarding-cro

When the user wants to optimize post-signup onboarding, user activation, first-run experience, or time-to-value. Also use when the user mentions "onboarding flow," "activation rate," "user activation," "first-run experience," "empty states," "onboarding checklist," "aha moment," or "new user experience." For signup/registration optimization, see signup-flow-cro. For ongoing email sequences, see email-sequence.

> onedrive

Manage files and folders in OneDrive and OneDrive for Business via Microsoft Graph API. Use when someone asks to "upload to OneDrive", "sync files with OneDrive", "share OneDrive files", "manage OneDrive folders", "OneDrive API integration", "backup to OneDrive", or "automate file management in OneDrive". Covers file CRUD, sharing, sync, search, large file upload, thumbnails, and delta queries for change tracking.

> onenote

Create, read, and manage OneNote notebooks, sections, and pages via Microsoft Graph API. Use when someone asks to "create OneNote pages", "read OneNote notes", "automate OneNote", "save to OneNote", "extract OneNote content", "organize OneNote notebooks", or "OneNote API". Covers notebooks, sections, pages (create with HTML), content extraction, and search.

> onnx

Open Neural Network Exchange format for model interoperability across frameworks. Export models from PyTorch, TensorFlow, and other frameworks to ONNX, optimize with ONNX Runtime, and deploy for cross-platform inference on CPU, GPU, and edge devices.

> opa

Expert guidance for OPA (Open Policy Agent), the CNCF policy engine for unified authorization across the stack. Helps developers write Rego policies for Kubernetes admission control, API authorization, infrastructure-as-code validation, and data filtering — enforcing security policies as code.

> openai-agents

You are an expert in the OpenAI Agents SDK (formerly Swarm), the official framework for building multi-agent systems. You help developers create agents with tool calling, guardrails, agent handoffs, streaming, tracing, and MCP integration — building production-grade AI agents that coordinate, delegate tasks, and execute tools with built-in safety controls.

> openai-codex-cli

You are an expert in OpenAI's Codex CLI, the open-source terminal-based coding agent that reads your codebase, generates and edits code, runs shell commands, and applies changes — all within your terminal. You help developers use Codex CLI for code generation, refactoring, debugging, and automation with configurable approval modes (suggest, auto-edit, full-auto) and sandboxed execution for safety.

> openai-realtime

Build voice-enabled AI applications with the OpenAI Realtime API. Use when a user asks to implement real-time voice conversations, stream audio with WebSockets, build voice assistants, or integrate OpenAI audio capabilities.

> openai-sdk

Integrate OpenAI APIs into applications. Use when a user asks to add GPT or ChatGPT to an app, generate text with OpenAI, build a chatbot, use GPT-4 or o1 models, generate embeddings, use function calling, stream chat completions, build AI features, moderate content, generate images with DALL-E, transcribe audio with Whisper API, or integrate any OpenAI model. Covers Chat Completions, Assistants API, function calling, embeddings, streaming, vision, DALL-E, Whisper, and moderation.

> openapi-spec

Design and maintain OpenAPI specifications. Use when a user asks to create an API spec, document REST APIs, generate client SDKs from a spec, validate API contracts, or implement design-first API development.

> openclaw

Deploy and manage OpenClaw, a self-hosted gateway bridging messaging platforms to AI coding agents. Use when a user asks to set up OpenClaw, connect WhatsApp or Telegram or Discord to an AI agent, configure multi-agent routing, schedule cron jobs in OpenClaw, set up webhooks, manage OpenClaw channels, pair a messaging account, configure heartbeats, spawn sub-agents, or troubleshoot OpenClaw gateway issues. Covers installation, channel setup, agent configuration, cron scheduling, webhooks, and su

> opencv

You are an expert in OpenCV (Open Source Computer Vision Library), the most popular library for real-time computer vision. You help developers build image processing pipelines, object detection systems, video analysis tools, augmented reality, and document processing using OpenCV's 2,500+ algorithms for image manipulation, feature detection, camera calibration, 3D reconstruction, and DNN inference — in Python, C++, or JavaScript.

> openrouter

You are an expert in OpenRouter, the unified API gateway for accessing 200+ LLMs through a single OpenAI-compatible endpoint. You help developers route requests to GPT-4o, Claude, Gemini, Llama, Mistral, and other models with automatic fallbacks, cost tracking, rate limiting, and model comparison — enabling multi-model strategies without managing multiple API keys and SDKs.

> opentelemetry

Assists with instrumenting applications using OpenTelemetry for distributed tracing, metrics, and logs. Use when adding observability, configuring auto-instrumentation, building custom spans, setting up OTel Collectors, or exporting telemetry to Jaeger, Grafana, or Datadog. Trigger words: opentelemetry, otel, tracing, spans, metrics, observability, collector.

> opentofu

You are an expert in OpenTofu, the open-source fork of Terraform maintained by the Linux Foundation. You help developers and platform teams provision cloud infrastructure using HCL (HashiCorp Configuration Language), with full compatibility with existing Terraform modules, state files, and providers — plus new features like client-side state encryption, OCI registry support, and removed BSL license restrictions.

> opentype-js

Parse and manipulate OpenType/TrueType fonts with opentype.js — read font metadata, access glyph outlines, measure text, generate font subsets, and render text to SVG paths. Use when tasks involve custom text rendering, font analysis, glyph extraction, or building font tools.

> openvpn

Deploy and manage OpenVPN servers and clients. Use when a user asks to set up a VPN server, create client certificates, configure site-to-site tunnels, set up split tunneling, manage PKI with EasyRSA, harden OpenVPN security, automate client provisioning, configure routing and NAT, set up MFA for VPN, monitor connected clients, or troubleshoot VPN connectivity. Covers server deployment, PKI management, client configuration, and production hardening.

> opsgenie

Configure Opsgenie for alert management, on-call scheduling, routing rules, and incident response. Use when a user needs to set up alert routing, create escalation policies, manage on-call rotations, integrate with monitoring tools, or automate incident workflows with Opsgenie.

> ora

Add terminal spinners with Ora. Use when showing loading indicators in CLI tools, displaying progress during async operations, or building polished command-line interfaces with status feedback.

> orama

Expert guidance for Orama, the fast full-text and vector search engine that runs everywhere — browser, server, and edge. Helps developers implement search with typo tolerance, facets, filters, and hybrid (keyword + vector) search without external infrastructure.

> otel-js

Instrument Node.js apps with OpenTelemetry. Use when a user asks to add distributed tracing, collect metrics, instrument HTTP requests, trace database queries, or set up observability for microservices.

> outlines

You are an expert in Outlines, the Python library for reliable structured text generation with LLMs. You help developers generate guaranteed-valid JSON, regex-matching text, and grammar-constrained output from open-source models — using finite state machine guided generation that constrains the token sampling process to produce only valid output on the first try.

> outlook-email

Send, read, and manage emails via Microsoft Outlook using the Graph API. Use when someone asks to "send email via Outlook", "read Outlook inbox", "automate Outlook emails", "manage Outlook folders", "Outlook API integration", "email automation with Graph API", "search Outlook emails", or "process incoming emails". Covers sending (plain, HTML, attachments), reading, searching, folders, rules, and focused inbox via Microsoft Graph API.

> owasp-zap

Assists with finding security vulnerabilities in web applications using OWASP ZAP. Use when configuring automated scans, writing scan policies, integrating security scanning into CI/CD pipelines, or analyzing results for OWASP Top 10 vulnerabilities like XSS, SQL injection, and CSRF. Trigger words: owasp zap, security scan, vulnerability scanner, penetration testing, zap-baseline, active scan, passive scan.

> oxlint

Lint JavaScript/TypeScript at blazing speed with oxlint — a Rust-based linter 50-100x faster than ESLint. Use when someone asks to "speed up linting", "oxlint", "fast JavaScript linter", "replace ESLint", "Rust linter for JS", or "lint in CI faster". Covers rule configuration, ESLint migration, framework plugins, and CI integration.

> packer

HashiCorp Packer for building automated machine images. Use when the user needs to create AMIs, Docker images, or GCP images using HCL templates with provisioners for consistent, reproducible infrastructure images.

> pact

When the user wants to implement consumer-driven contract testing between microservices using Pact. Also use when the user mentions "pact," "contract testing," "consumer-driven contracts," "CDC testing," "provider verification," or "Pact Broker." For API mocking, see mockoon or wiremock.

> paddle

Accept payments with Paddle as merchant of record. Use when a user asks to add subscription billing without handling tax compliance, accept international payments, implement a payment system where Paddle handles VAT/sales tax, or build a SaaS billing system.

> page-cro

When the user wants to optimize, improve, or increase conversions on any marketing page — including homepage, landing pages, pricing pages, feature pages, or blog posts. Also use when the user says "CRO," "conversion rate optimization," "this page isn't converting," "improve conversions," or "why isn't this page working." For signup/registration flows, see signup-flow-cro. For post-signup activation, see onboarding-cro. For forms outside of signup, see form-cro. For popups/modals, see popup-cro.

> pagerduty

Configure PagerDuty for incident management, on-call scheduling, alert routing, and escalation policies. Use when a user needs to set up PagerDuty services, create escalation policies, configure integrations with monitoring tools, manage on-call rotations, or automate incident workflows.

> paid-ads

When the user wants help with paid advertising campaigns on Google Ads, Meta (Facebook/Instagram), LinkedIn, Twitter/X, or other ad platforms. Also use when the user mentions 'PPC,' 'paid media,' 'ad copy,' 'ad creative,' 'ROAS,' 'CPA,' 'ad campaign,' 'retargeting,' or 'audience targeting.' This skill covers campaign strategy, ad creation, audience targeting, and optimization.

> pandas

Assists with loading, cleaning, transforming, and analyzing tabular data using pandas. Use when importing CSV/Excel/SQL data, handling missing values, performing groupby aggregations, merging datasets, working with time series, or building analysis-ready datasets. Trigger words: pandas, dataframe, csv, groupby, merge, time series, data cleaning.

> pandas-ai

PandasAI enables natural language queries on pandas DataFrames using LLMs. Learn to ask questions in plain English, generate charts, clean data, and integrate with OpenAI and local models for conversational data analysis.

> pandera

Expert guidance for Pandera, the Python library for validating pandas and Polars DataFrames with expressive schemas. Helps developers define data contracts, validate data pipelines, and catch data quality issues before they corrupt downstream systems.

> partykit

Build multiplayer and collaborative apps with PartyKit. Use when a user asks to build real-time collaboration features, create multiplayer experiences, add live cursors, build collaborative editing, create real-time voting or polls, sync state across clients, or build WebSocket servers on the edge. Covers PartyServer definition, client connections, state management, hibernation, and deployment to Cloudflare.

> passport-js

Add authentication to Express with Passport.js. Use when implementing login with Google/GitHub/email, OAuth, session auth, or social login.

> payload-cms

Assists with building content management systems using Payload CMS with a code-first approach. Use when defining collections in TypeScript, configuring access control, customizing the admin panel, or integrating with Next.js. Trigger words: payload, payload cms, headless cms, collections, admin panel, content management, payload fields.

> paywall-upgrade-cro

When the user wants to create or optimize in-app paywalls, upgrade screens, upsell modals, or feature gates. Also use when the user mentions "paywall," "upgrade screen," "upgrade modal," "upsell," "feature gate," "convert free to paid," "freemium conversion," "trial expiration screen," "limit reached screen," "plan upgrade prompt," or "in-app pricing." Distinct from public pricing pages (see page-cro) — this skill focuses on in-product upgrade moments where the user has already experienced value

> pdf-analyzer

Extract text, tables, metadata, and structured data from PDF files. Use when a user asks to read a PDF, parse a PDF, extract data from a PDF, summarize a PDF document, pull tables from a PDF, or convert PDF content to structured formats like JSON or CSV. Handles single and multi-page documents, scanned PDFs, and PDFs with complex table layouts.

> pdfkit

Generate PDF documents programmatically with PDFKit — add text, images, vector graphics, tables, headers/footers, and custom fonts. Use when tasks involve creating invoices, reports, certificates, or any structured PDF output from application data in Node.js.

> pdf-merge-split

Combine multiple PDFs into one or split a PDF into separate files. Use when a user asks to merge PDFs, combine PDF files, join documents together, split a PDF into pages, extract pages from a PDF, or separate a PDF into parts. Supports page range selection and custom ordering.

> pdf-ocr

Extract text from scanned PDFs using optical character recognition. Use when a user asks to OCR a PDF, read a scanned document, extract text from an image PDF, digitize a scanned file, convert a scanned PDF to text, or read text from a photograph of a document. Supports multiple languages and handles low-quality scans.

> peft-fine-tuning

Parameter-efficient fine-tuning for LLMs using LoRA, QLoRA, and 25+ methods. Use when a user asks to fine-tune a language model, train a custom LLM, adapt a model to their data, use LoRA or QLoRA, fine-tune Llama or Mistral, or train a model on consumer GPUs. Covers PEFT methods for 7B-70B parameter models.

> pentagi

Run AI-powered penetration testing with PentAGI. Use when a user asks to automate security testing, set up autonomous pentesting, deploy an AI-driven vulnerability scanner, build a self-hosted security testing platform, or conduct penetration tests with LLM-powered agents.

> percy

When the user wants to perform visual testing with automated screenshot comparison using Percy by BrowserStack. Also use when the user mentions "percy," "visual testing," "screenshot comparison," "visual diff," "percy snapshot," or "BrowserStack visual." For Storybook-specific visual testing, see chromatic.

> performance-reviewer

Review code for performance issues and optimization opportunities. Use when someone needs to check for N+1 queries, unnecessary re-renders, memory leaks, inefficient algorithms, missing indexes, or bundle size regressions. Trigger words: performance review, slow query, N+1, memory leak, bundle size, latency, optimization, re-render, Big O.

> pglite

You are an expert in PGlite, the lightweight WASM Postgres build that runs in the browser, Node.js, and Deno. You help developers embed a full Postgres instance (with extensions like pgvector, PostGIS) in client-side apps, Electron, React Native, and serverless functions — providing real SQL with JSONB, full-text search, and vector similarity search at ~3MB compressed, without a server.

> pgvector

Store and search vector embeddings in PostgreSQL with pgvector — no separate vector database needed. Use when someone asks to "vector search in Postgres", "store embeddings", "pgvector", "similarity search", "RAG with Postgres", "semantic search in existing database", or "add AI search to my app without a separate vector DB". Covers vector columns, indexing (IVFFlat, HNSW), similarity search, and integration with ORMs.

> phaser

You are an expert in Phaser, the fast and feature-rich HTML5 game framework for making 2D games that run in web browsers and mobile devices. You help developers build arcade games, puzzle games, RPGs, platformers, and roguelikes using Phaser's scene system, physics engines (Arcade and Matter.js), sprite animations, tilemaps, tweens, particle effects, and input handling — with TypeScript support and Vite for modern development workflow.

> phoenix

Phoenix is an Elixir web framework built on the BEAM VM for fault-tolerant, real-time applications. It features LiveView for interactive UIs without JavaScript, channels for WebSockets, and Ecto for database access with compile-time query validation.

> picoclaw

Set up, configure, and manage PicoClaw — an ultra-lightweight personal AI assistant built in Go. Use when the user mentions "picoclaw," "pico claw," "lightweight AI assistant," or wants to deploy a personal AI agent on low-resource hardware (Raspberry Pi, RISC-V boards). Covers installation, LLM provider configuration, messaging gateway setup (Telegram, Discord, Slack, LINE, DingTalk), scheduled tasks, heartbeat, workspace layout, security sandbox, and Docker deployment.

> pinecone

Pinecone is a managed vector database for AI and machine learning applications. Learn to create indexes, upsert embeddings, query by similarity, use namespaces and metadata filtering for semantic search and RAG pipelines.

> pinia

You are an expert in Pinia, the official state management library for Vue.js. You help developers build Vue applications with type-safe stores, Composition API support, getters (computed), actions (sync and async), plugins, SSR compatibility, and Vue DevTools integration — replacing Vuex with a simpler, fully typed, modular store system.

> pino

Log in Node.js with Pino. Use when a user asks to add structured logging, improve logging performance, configure log levels, format logs for production, or replace console.log with proper logging.

> pipedream

You are an expert in Pipedream, the workflow automation platform built for developers. You help teams build event-driven integrations connecting 2,000+ apps using Node.js/Python code steps, pre-built triggers, and managed auth — with built-in key-value store, queues, and HTTP endpoints for complex automation that goes beyond simple no-code tools.

> pixijs

You are an expert in PixiJS, the fastest 2D rendering engine for the web. You help developers build games, interactive visualizations, animated ads, creative coding projects, and rich UI effects using PixiJS's WebGL-first renderer with automatic Canvas fallback — handling sprites, text, filters, masks, blend modes, and custom shaders at 60fps with hundreds of thousands of objects.

> planetscale

Expert guidance for PlanetScale, the serverless MySQL platform built on Vitess (the database clustering system powering YouTube). Helps developers set up databases with Git-like branching for schema changes, non-blocking schema migrations, and connection pooling for serverless environments.

> plasmo

Expert guidance for Plasmo, the framework for building browser extensions with React, TypeScript, and modern tooling. Helps developers create Chrome and Firefox extensions with content scripts, background workers, popup UIs, and messaging — all with hot reload and zero webpack config.

> plausible

Privacy-first web analytics with Plausible — lightweight script tag, no cookies, GDPR-compliant by default. Self-host with Docker or use Plausible Cloud. Covers script installation, custom event goals, pageview filtering, the Stats API for programmatic access, and Google Search Console integration. Use when tasks involve adding website analytics without cookie banners, replacing Google Analytics with a privacy-friendly alternative, or querying traffic data via API.

> playwright-testing

Write and maintain end-to-end tests with Playwright. Use when someone asks to "add e2e tests", "test my web app", "set up Playwright", "write browser tests", "test login flow", "visual regression testing", "test across browsers", or "automate UI testing". Covers test setup, page objects, authentication, API mocking, visual comparisons, and CI integration.

> plotly

Create interactive scientific and statistical charts with Plotly. Use when a user asks to build data visualizations, scatter plots, 3D charts, statistical graphs, or dashboards using Plotly.js or react-plotly.js.

> plunk

Send transactional and marketing emails with Plunk. Use when a user asks to send emails from an app, set up email automation, create drip campaigns, or use a simple open-source email platform.

> pocketbase

Assists with building backends using PocketBase, a single-binary backend with embedded SQLite, real-time subscriptions, file storage, and authentication. Use when creating MVPs, prototyping APIs, configuring collections, or setting up auth flows. Trigger words: pocketbase, backend, sqlite, real-time, single binary, collections, pb.

> poetry

Manage Python projects with Poetry. Use when a user asks to manage Python dependencies, create virtual environments, publish packages to PyPI, handle dependency resolution, or set up a Python project structure.

> polar

You are an expert in Polar, the monetization platform built for developers and open-source maintainers. You help developers add payments, subscriptions, product sales, license keys, and sponsorships to their projects with a developer-first API, webhooks, and embeddable components — replacing Stripe integration complexity with purpose-built tools for software monetization.

> polars

Polars is a blazingly fast DataFrame library written in Rust with a Python API. Learn eager and lazy evaluation, expressions, groupby, joins, and how Polars outperforms pandas for large datasets through parallel execution.

> popup-cro

When the user wants to create or optimize popups, modals, overlays, slide-ins, or banners for conversion purposes. Also use when the user mentions "exit intent," "popup conversions," "modal optimization," "lead capture popup," "email popup," "announcement banner," or "overlay." For forms outside of popups, see form-cro. For general page conversion optimization, see page-cro.

> porter

Expert guidance for Porter, the platform that provides a Heroku-like experience on your own AWS, GCP, or Azure account. Helps developers deploy applications on managed Kubernetes clusters provisioned in their own cloud accounts, with the simplicity of `git push` deployment and the control of owning your infrastructure.

> portkey

You are an expert in Portkey, the AI gateway that sits between your app and LLM providers. You help developers add caching, fallbacks, load balancing, request retries, guardrails, semantic caching, budget limits, and observability to LLM calls — using a single unified API that works with 200+ models from OpenAI, Anthropic, Google, and open-source providers.

> postgresql

Assists with designing schemas, writing performant queries, managing indexes, and operating PostgreSQL databases. Use when working with JSONB, full-text search, window functions, CTEs, row-level security, replication, or performance tuning. Trigger words: postgresql, postgres, sql, database, jsonb, rls, window functions, cte.

> posthog

Open-source product analytics with PostHog — event tracking, funnels, cohorts, session replay, feature flags, and experimentation. Self-host with Docker or use PostHog Cloud. Covers JavaScript SDK for frontend tracking, Python SDK for backend events, autocapture configuration, custom event taxonomies, and funnel/retention analysis. Use when tasks involve adding product analytics, understanding user behavior, debugging UX with session replay, or rolling out features with feature flags.

> postmark

Send transactional emails with Postmark. Use when a user asks to send reliable transactional emails, improve email deliverability, use email templates with variables, or set up email sending for a SaaS app.

> powerpoint

Create, edit, and manipulate PowerPoint (.pptx) files programmatically using python-pptx. Use when a user asks to generate a PPTX, modify slides, extract text from a presentation, add charts or tables to PowerPoint, build slides from data, convert content to PPTX, or automate PowerPoint file creation.

> powertools-lambda

You are an expert in AWS Lambda Powertools, the developer toolkit for implementing serverless best practices. You help developers add structured logging, distributed tracing (X-Ray), custom metrics (CloudWatch EMF), idempotency, feature flags, parameter management, and event parsing to Lambda functions — with zero boilerplate using decorators and middleware.

> prd-writing

Expert guidance for writing Product Requirements Documents (PRDs), helping product managers create clear, actionable specs that align engineering, design, and stakeholders. Produces PRDs that define the problem, success metrics, scope, user stories, edge cases, and launch criteria — without over-specifying implementation details.

> preact

You are an expert in Preact, the lightweight React alternative with the same modern API in just 3kB. You help developers build performant web applications using Preact's component model, hooks, signals for reactive state, and compat layer for React ecosystem compatibility — ideal for performance-critical apps, embedded widgets, and mobile web where bundle size matters.

> prediction-markets

Build tools and dashboards for prediction markets — Polymarket, Manifold, Kalshi, and Metaculus. Use when tasks involve fetching prediction market data, building probability dashboards, analyzing market liquidity, creating trading bots for prediction markets, visualizing event probabilities, or tracking forecasting accuracy. Covers both API integration and market analysis.

> prefect

Prefect is a modern workflow orchestration framework for Python data pipelines. Learn to define flows and tasks with decorators, handle retries and scheduling, create deployments, and monitor via the Prefect UI.

> prettier

Prettier is an opinionated code formatter that enforces a consistent style across your entire codebase. Unlike linters that flag problems for you to fix, Prettier rewrites your code automatically. It supports JavaScript, TypeScript, HTML, CSS, JSON, Markdown, YAML, and many other languages. By removing style debates from code review, Prettier lets teams focus on logic and architecture instead of arguing about tabs versus spaces or trailing commas.

> pricing-strategy

When the user wants help with pricing decisions, packaging, or monetization strategy. Also use when the user mentions 'pricing,' 'pricing tiers,' 'freemium,' 'free trial,' 'packaging,' 'price increase,' 'value metric,' 'Van Westendorp,' 'willingness to pay,' or 'monetization.' This skill covers pricing research, tier structure, and packaging strategy.

> prisma

You are an expert in Prisma, the TypeScript ORM with a declarative schema, auto-generated type-safe client, migrations, and studio GUI. You help developers model databases with Prisma Schema Language, generate a fully typed client that catches query errors at compile time, run zero-downtime migrations, and integrate with Postgres, MySQL, SQLite, MongoDB, CockroachDB, and PlanetScale.

> product-analytics

Expert guidance for product analytics, helping product teams define metrics, build funnels, analyze retention, run A/B tests, and make data-driven decisions. Applies frameworks for North Star metrics, pirate metrics (AARRR), cohort analysis, and experiment design.

> product-discovery

Expert guidance for product discovery, the continuous process of deciding what to build based on evidence rather than opinions. Helps product teams identify assumptions, design experiments, conduct user interviews, build opportunity solution trees, and prioritize what to validate next — following frameworks from Teresa Torres (Continuous Discovery Habits) and Alberto Savoia (The Right It).

> product-marketing-context

When the user wants to create or update their product marketing context document. Also use when the user mentions 'product context,' 'marketing context,' 'set up context,' 'positioning,' or wants to avoid repeating foundational information across marketing tasks. Creates `.claude/product-marketing-context.md` that other marketing skills reference.

> product-strategy

Expert guidance for product strategy, helping product leaders define product vision, craft positioning, analyze competitive landscapes, choose pricing models, and build outcome-driven roadmaps. Applies frameworks from Marty Cagan (Empowered), April Dunford (Obviously Awesome), Gibson Biddle (DHM Model), and Reforge.

> programmatic-seo

When the user wants to create SEO-driven pages at scale using templates and data. Also use when the user mentions "programmatic SEO," "template pages," "pages at scale," "directory pages," "location pages," "[keyword] + [city] pages," "comparison pages," "integration pages," or "building many pages for SEO." For auditing existing SEO issues, see seo-audit.

> prometheus-alertmanager

Configure Prometheus Alertmanager for alert routing, grouping, silencing, and notification delivery. Use when a user needs to set up alert receivers (Slack, PagerDuty, email), define routing trees, manage silences and inhibition rules, or troubleshoot alert delivery pipelines.

> promptfoo

Test and evaluate LLM prompts systematically with Promptfoo — open-source eval framework. Use when someone asks to "test my prompts", "evaluate LLM output", "Promptfoo", "prompt regression testing", "compare LLM models", "LLM evaluation framework", or "benchmark prompts against test cases". Covers test cases, assertions, model comparison, red-teaming, and CI integration.

> prompt-tester

Design, test, and iterate on AI prompts systematically using structured evaluation criteria. Use when building AI features, optimizing agent instructions, comparing prompt variants, or evaluating output quality across edge cases. Trigger words: prompt engineering, prompt testing, eval, LLM evaluation, prompt comparison, A/B test prompts, prompt optimization, system prompt, instruction tuning.

> proposal-writer

Create compelling business proposals that win deals and partnerships. Use when a user asks to write a proposal, draft a business proposal, create a project proposal, prepare a bid, write a pitch document, or generate a partnership proposal. Produces structured, persuasive documents ready for client delivery.

> protobuf

You are an expert in Protocol Buffers (protobuf), Google's language-neutral binary serialization format. You help developers define data schemas with `.proto` files, generate typed code for multiple languages, build efficient APIs with gRPC, and handle schema evolution with backward/forward compatibility — achieving 3-10x smaller payloads and 20-100x faster serialization than JSON.

> pulumi

Assists with defining and managing cloud infrastructure using Pulumi with TypeScript, Python, Go, or C#. Use when provisioning AWS, GCP, Azure, or Kubernetes resources with real programming languages instead of HCL. Trigger words: pulumi, infrastructure as code, iac, pulumi up, pulumi stack, cloud infrastructure, component resource.

> puppeteer

Automate browsers and scrape dynamic websites with Puppeteer. Use when a user asks to scrape JavaScript-rendered pages, automate browser interactions, take screenshots of web pages, generate PDFs from URLs, test web UIs, fill out forms programmatically, crawl SPAs, extract data from dynamic sites, automate login flows, or build web scrapers that need a real browser. Covers headless Chrome, page navigation, DOM interaction, network interception, screenshots, PDF generation, and stealth techniques

> puppeteer-pdf

Generate pixel-perfect PDFs from HTML and CSS using Puppeteer — render web pages or HTML templates to PDF with full CSS support including flexbox, grid, web fonts, and print media queries. Use when tasks involve converting HTML reports to PDF, generating invoices from templates, or creating PDFs that require complex CSS layouts.

> pusher

You are an expert in Pusher Channels, the hosted real-time messaging platform. You help developers add live features to applications using pub/sub channels, presence channels for online status, private channels with auth, client events for peer-to-peer, webhooks, and batch triggers — enabling real-time notifications, live dashboards, chat, and collaborative features without managing WebSocket infrastructure.

> pydantic

Validate and serialize data with Pydantic. Use when a user asks to validate API inputs, parse JSON/env config, define data models in Python, serialize objects, or implement data validation with type hints.

> pydantic-ai

You are an expert in PydanticAI, the Python agent framework built by the Pydantic team. You help developers create type-safe AI agents with structured outputs, dependency injection, tool definitions, streaming, and model-agnostic design — leveraging Pydantic for validation and type safety throughout the agent lifecycle.

> pytest

Test Python code with pytest. Use when a user asks to write unit tests, set up test fixtures, mock dependencies, run async tests, measure coverage, or implement test-driven development in Python.

> pytorch

Assists with building, training, and deploying neural networks using PyTorch. Use when designing architectures for computer vision, NLP, or tabular data, optimizing training with mixed precision and distributed strategies, or exporting models for production inference. Trigger words: pytorch, torch, neural network, deep learning, training loop, cuda.

> qdrant

You are an expert in Qdrant, the high-performance vector search engine written in Rust. You help developers build semantic search, RAG retrieval, recommendation systems, and anomaly detection with billion-scale vector collections, advanced filtering, multi-vector support, and hybrid search — providing sub-millisecond query latency with rich payload filtering that other vector DBs can't match.

> qwik

Qwik is a resumable web framework that delivers instant-loading applications by eliminating hydration. It serializes application state on the server and lazily loads JavaScript on interaction, making it ideal for edge deployment.

> rabbitmq

Build messaging systems with RabbitMQ — queues, exchanges, routing, dead-letter queues, delayed messages, priority queues, and RPC patterns. Use when tasks involve task queues, background job processing, inter-service communication, request-reply patterns, or reliable message delivery with acknowledgments.

> radix-ui

Build accessible UI primitives with Radix UI. Use when creating accessible dropdowns, dialogs, popovers, tabs, tooltips, or building a design system with unstyled, composable components.

> ragas

Expert guidance for Ragas, the framework for evaluating Retrieval-Augmented Generation pipelines. Helps developers measure and improve the quality of their RAG systems across retrieval accuracy, answer faithfulness, and response relevance.

> rails

Ruby on Rails is a full-stack web framework following convention over configuration. It provides ActiveRecord ORM, Action Controller, Action View templates, Action Cable for WebSockets, and generators for rapid application development.

> railway-deploy

Manage Railway deployments using the CLI. Use when a user asks to deploy to Railway, check deployment status, manage Railway services, set environment variables on Railway, view Railway logs, link a Railway project, add a database on Railway, scale Railway services, manage Railway environments, rollback a Railway deployment, or run commands with Railway env vars. Covers the full deploy lifecycle from project setup to production monitoring.

> rate-limiter

Designs and implements API rate limiting middleware and abuse protection. Use when you need to add request throttling, per-user quotas, IP-based blocking, sliding window or token bucket algorithms, Redis-backed distributed counters, or 429 response handling. Trigger words: rate limit, throttle, API abuse, too many requests, request quota, DDoS protection, brute force prevention, credential stuffing defense.

> ray

Framework for scaling Python applications from a laptop to a cluster. Includes Ray Core for distributed computing, Ray Serve for model serving, Ray Tune for hyperparameter optimization, and Ray Data for distributed data processing.

> raycast

Expert guidance for building Raycast extensions — custom commands, views, and integrations for the Raycast launcher on macOS. Helps developers create productivity extensions using React, TypeScript, and Raycast's API for lists, forms, actions, and preferences.

> react-aria

Build accessible UI components with React Aria. Use when creating accessible form controls, implementing ARIA patterns, building design systems, or fixing accessibility issues.

> react-email

You are an expert in React Email, the library for building responsive HTML emails using React components. You help developers create beautiful, cross-client-compatible email templates with type-safe components, live preview, and integration with email providers (Resend, SendGrid, Postmark, AWS SES) — replacing fragile HTML table layouts with a modern component-based workflow.

> react-hook-form

Build performant forms in React with React Hook Form. Use when a user asks to handle form validation, build complex multi-step forms, integrate forms with Zod schemas, or reduce form re-renders in React.

> react-native

Assists with building iOS and Android applications from a single TypeScript codebase using React Native. Use when implementing mobile UI components, navigation, native device APIs, performance optimization, or setting up testing and CI pipelines for mobile apps. Trigger words: react native, mobile app, ios, android, flatlist, reanimated.

> react-native-expo

You are an expert in React Native with Expo, the modern framework for building native iOS and Android apps with React. You help developers create mobile applications using Expo Router (file-based navigation), Expo SDK modules (camera, notifications, auth, maps), EAS Build/Submit for cloud builds, over-the-air updates, and the full Expo development workflow — from `npx create-expo-app` to App Store submission.

> react-native-reanimated

Build smooth 60fps animations in React Native with Reanimated — run animations on the UI thread without JS bridge delays. Use when someone asks to "animate in React Native", "Reanimated", "smooth mobile animations", "gesture animations", "shared element transitions", or "60fps React Native animations". Covers worklets, shared values, layout animations, gestures, and scroll-driven animations.

> react-three-fiber

You are an expert in React Three Fiber (R3F), the React renderer for Three.js that lets developers build 3D scenes using JSX components. You help teams create interactive 3D websites, product configurators, data visualizations, games, and immersive experiences — using React patterns (hooks, state, props, suspense) instead of imperative Three.js code, with full access to the Three.js ecosystem.

> realtime-analytics

Build real-time analytics pipelines from scratch. Use when someone asks to "set up analytics", "build a dashboard", "track events in real time", "ClickHouse analytics", "event ingestion pipeline", or "live metrics". Covers event schema design, ingestion services with batching, ClickHouse table optimization, aggregation queries, and dashboard wiring.

> realtime-database

When the user needs to design database schemas and queries optimized for real-time applications. Use when the user mentions "chat database," "message storage," "real-time sync," "message history," "unread count," "cursor pagination," "event sourcing," or "live data." Handles schema design for messaging, activity feeds, notifications, and collaborative apps with efficient pagination and sync. For WebSocket transport, see websocket-builder.

> recharts

Build responsive charts in React with Recharts. Use when a user asks to create line charts, bar charts, area charts, pie charts, or composed dashboard visualizations using the Recharts component library.

> recoil

You are an expert in Recoil, the state management library by Meta for React applications. You help developers manage application state with atoms (shared state units), selectors (derived/async state), and atom families — providing a graph-based state model that integrates naturally with React's concurrent features, avoids unnecessary re-renders, and handles async data fetching as first-class state.

> reddit-insights

Semantic search across Reddit to find pain points, validate ideas, discover niches, and analyze sentiment. Use when a user asks to research Reddit, find Reddit discussions about a topic, analyze Reddit sentiment, discover what people complain about on Reddit, validate a business idea on Reddit, find pain points in a subreddit, or mine Reddit for product insights.

> reddit-readonly

Browse and search Reddit via the public JSON API with no authentication required. Use when a user asks to read Reddit, browse a subreddit, fetch Reddit posts, get Reddit comments, search Reddit for posts, check trending topics on Reddit, read a Reddit thread, or pull content from a subreddit.

> redis

Build applications with Redis — caching, session storage, pub/sub, streams, rate limiting, leaderboards, and queues. Use when tasks involve in-memory data storage, real-time messaging, distributed locking, or performance optimization with caching layers.

> redis-om

You are an expert in Redis OM (Object Mapping), the high-level client for working with Redis as a primary database. You help developers define schemas, store JSON documents, perform full-text search, vector similarity search, and build real-time applications — using Redis Stack's JSON, Search, and Vector capabilities through an ORM-like interface instead of raw commands.

> referral-program

When the user wants to create, optimize, or analyze a referral program, affiliate program, or word-of-mouth strategy. Also use when the user mentions 'referral,' 'affiliate,' 'ambassador,' 'word of mouth,' 'viral loop,' 'refer a friend,' or 'partner program.' This skill covers program design, incentive structure, and growth optimization.

> refine

Build data-intensive React applications with Refine. Use when a user asks to create admin panels, dashboards, or CRUD interfaces using Refine with REST, GraphQL, or custom data providers and Ant Design or Material UI.

> regression-tester

Generate and run regression tests after code refactoring to verify behavior is preserved. Use when someone has refactored code and needs to confirm nothing broke — especially when existing test coverage is insufficient. Trigger words: regression test, refactor validation, behavior preservation, before/after test, did I break anything, refactoring safety net, snapshot test.

> remix

Assists with building full-stack web applications using Remix. Use when creating apps with nested routing, loader/action patterns, progressive enhancement, or deploying to Node.js, Cloudflare Workers, or other adapters. Trigger words: remix, remix run, loader, action, useFetcher, nested routes, progressive enhancement.

> remotion-video-toolkit

Programmatic video creation with React using Remotion. Use when a user asks to create videos with code, generate personalized videos, build animated data visualizations, add TikTok-style captions, render video programmatically, or automate video production. Supports CLI rendering, AWS Lambda, and Google Cloud Run deployment.

> render

Expert guidance for Render, the modern cloud platform for deploying web applications, APIs, databases, and background workers. Helps developers configure Render services using `render.yaml` Infrastructure as Code, set up auto-deploy from Git, manage environment variables, and optimize for production workloads.

> renovate

Assists with automating dependency updates across JavaScript, Python, Docker, Go, Rust, Terraform, and 50+ ecosystems using Renovate. Use when configuring update strategies, automerge policies, grouping rules, or scheduling to keep dependencies current. Trigger words: renovate, dependency updates, automerge, package rules, dependency management.

> replicate

Run machine learning models in the cloud via API. Access thousands of open-source models for image generation, language, audio, and video. Fine-tune models on custom data and deploy custom models with Cog packaging format.

> report-generator

Generate professional data reports with charts, tables, and visualizations. Use when a user asks to create a report, generate a data report, build a dashboard report, produce a PDF report with charts, create an executive summary, or generate a weekly/monthly report from data.

> resend

You are an expert in Resend, the developer-first email API. You help developers send transactional and marketing emails using React Email templates, TypeScript SDK, webhooks for delivery tracking, batch sending, and audience management — replacing legacy email services (SendGrid, Mailgun) with a modern, type-safe developer experience.

> rest-api

Design and build RESTful APIs. Use when a user asks to create a REST API, design API endpoints, implement CRUD operations, add authentication to an API, handle pagination and filtering, set up API versioning, generate OpenAPI/Swagger docs, implement rate limiting, build middleware, handle file uploads, add CORS, implement HATEOAS, or structure an Express/Fastify/Koa/Flask/FastAPI backend. Covers HTTP methods, status codes, resource modeling, error handling, validation, and production deployment

> restate

Build resilient distributed applications with Restate — durable execution engine for TypeScript/Java/Go. Use when someone asks to "durable execution", "Restate", "resilient workflows", "distributed transactions", "saga pattern", "fault-tolerant services", or "replace Temporal with something lighter". Covers durable handlers, virtual objects, workflows, and sagas.

> restic

Back up and restore data with Restic. Use when a user asks to set up backups, create encrypted backups, back up to S3 or cloud storage, implement a backup strategy, restore files from backup, deduplicate backup storage, schedule automated backups, back up databases or servers, or set up offsite backups. Covers repository initialization, backup/restore operations, snapshot management, pruning, encryption, and multiple storage backends (local, S3, SFTP, B2, Azure, GCS).

> resume-tailor

Optimize your resume for specific job applications by matching keywords and highlighting relevant experience. Use when a user asks to tailor a resume, optimize a CV for a job, match a resume to a job description, improve ATS compatibility, customize a resume for a specific role, or align experience with job requirements.

> retool

Build internal tools with Retool, the low-code platform. Use when a user asks to create admin panels, connect to databases or APIs, build CRUD interfaces with drag-and-drop components, or deploy Retool apps.

> rive

Build interactive animations with Rive — load .riv files, control state machines, respond to user input, and embed runtime animations in web and mobile apps. Use when tasks involve interactive UI animations, character animations with state logic, animated icons with hover/click states, or game-like interactions in production apps.

> rocket

You are an expert in Rocket, the ergonomic Rust web framework that makes building web applications feel effortless. You help developers build type-safe HTTP APIs with Rocket's macro-based routing, request guards for authentication, form handling, JSON support, database integration, and fairings (middleware) — providing Rails-like productivity with Rust's compile-time safety guarantees.

> rolldown

Bundle JavaScript with Rolldown — Rust-based Rollup replacement, future Vite bundler. Use when someone asks to "Rolldown", "Rust Rollup", "fast Rollup alternative", "future Vite bundler", "Rolldown bundler", or "OXC bundler". Covers Rollup-compatible config, Vite integration roadmap, performance comparison, and migration from Rollup.

> rsbuild

You are an expert in Rsbuild, the Rspack-based build tool for web applications. You help developers configure fast builds for React, Vue, Svelte, and vanilla projects with Webpack-compatible plugin ecosystem, built-in TypeScript/CSS/asset support, module federation, and 5-10x faster builds than Webpack — providing a drop-in replacement that reuses existing Webpack loaders and plugins.

> rspack

Bundle JavaScript/TypeScript applications with Rspack — Rust-based webpack replacement that's 5-10x faster. Use when someone asks to "speed up webpack", "Rspack", "fast bundler", "Rust bundler for JavaScript", "replace webpack", "migrate from webpack", or "faster build times". Covers webpack compatibility, configuration, loaders, plugins, and migration from webpack.

> rsync

Sync files and directories with rsync. Use when a user asks to copy files between servers, sync directories, create incremental backups, deploy files to a remote server, or mirror directories efficiently.

> ruff

Lint and format Python with Ruff. Use when a user asks to set up Python linting, replace flake8/black/isort, configure code quality rules, or speed up Python code formatting.

> s3-storage

Manages S3-compatible object storage (AWS S3, MinIO, Cloudflare R2, DigitalOcean Spaces, Backblaze B2, Wasabi, Supabase Storage). Use when the user wants to create buckets, upload/download files, set up lifecycle policies, configure CORS, manage presigned URLs, implement multipart uploads, set up replication, handle versioning, configure access policies, or build file management features on top of S3-compatible APIs. Trigger words: s3, minio, r2, object storage, bucket, presigned url, multipart

> saas-architecture-advisor

Advises on multi-tenant SaaS architecture decisions including tenancy models, data isolation strategies, tenant routing, and scaling patterns. Use when someone is building a SaaS product, converting single-tenant to multi-tenant, or evaluating isolation strategies. Trigger words: multi-tenant, SaaS architecture, tenant isolation, shared database, per-tenant database, row-level security, tenant routing, SaaS patterns.

> salesforce

Build integrations and automations with Salesforce. Use when a user asks to work with Salesforce CRM, manage leads, contacts, opportunities, and accounts, build SOQL/SOSL queries, create Apex triggers and classes, configure Flows, integrate via REST/SOAP/Bulk APIs, build Lightning Web Components, set up Salesforce DX projects, manage deployments, work with Platform Events, build Connected Apps, or automate Salesforce workflows. Covers Sales Cloud, Service Cloud, APIs, Apex, LWC, and DevOps.

> sanity

Assists with building content platforms using Sanity's structured content and real-time collaboration features. Use when defining schemas, writing GROQ queries, configuring Sanity Studio, or integrating with Next.js for content-driven sites. Trigger words: sanity, groq, sanity studio, structured content, portable text, content lake, sanity schema.

> sap

Integrate with SAP systems and build extensions. Use when a user asks to connect to SAP S/4HANA, SAP Business One, or SAP ERP via OData, RFC, BAPI, or IDoc interfaces, build SAP BTP (Business Technology Platform) applications, work with SAP CAP (Cloud Application Programming), consume SAP APIs from the API Business Hub, manage master data, automate procurement or sales processes, build Fiori apps, extract SAP data for analytics, or integrate SAP with external systems. Covers S/4HANA APIs, Busine

> schema-markup

When the user wants to add, fix, or optimize schema markup and structured data on their site. Also use when the user mentions "schema markup," "structured data," "JSON-LD," "rich snippets," "schema.org," "FAQ schema," "product schema," "review schema," or "breadcrumb schema." For broader SEO issues, see seo-audit.

> schemathesis

Automatically test APIs by generating test cases from OpenAPI/GraphQL schemas. Use when tasks involve API fuzzing, finding edge cases in REST or GraphQL APIs, testing schema compliance, generating property-based tests from API specs, finding crashes and 500 errors, or validating API contracts. Schemathesis generates thousands of test cases from your schema and finds bugs that manual testing misses.

> schema-versioning

Set up and manage database schema versioning with migration files, automated rollback capabilities, and CI/CD integration. Use when you need to version database changes, generate migration files from schema diffs, safely roll back failed deployments, or audit schema history. Trigger words: migration, schema change, rollback, database versioning, ALTER TABLE, Prisma migrate, Knex migrations, Flyway, Liquibase.

> scikit-learn

Assists with building, evaluating, and deploying machine learning models using scikit-learn. Use when performing data preprocessing, feature engineering, model selection, hyperparameter tuning, cross-validation, or building pipelines for classification, regression, and clustering tasks. Trigger words: sklearn, scikit-learn, machine learning, classification, regression, pipeline, cross-validation.

> search-engine-setup

Set up and optimize search engines for applications. Use when someone asks to "add search to my app", "set up Elasticsearch", "configure Algolia", "fix search relevance", "add autocomplete", "fuzzy search", or "faceted filtering". Covers index design, data sync, search API, autocomplete, relevance tuning, and query analysis.