> browse/registry

> 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.

> 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.

> 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.

> 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.

> 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.

> 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.

> 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

> 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.

> 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.

> 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.

> 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.

> 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.

> 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.

> unreal-engine

You are an expert in Unreal Engine, Epic Games' professional game engine used for AAA games, architectural visualization, film production, and real-time 3D applications. You help developers build games and interactive experiences using Blueprints (visual scripting), C++, Nanite (virtualized geometry), Lumen (global illumination), MetaHuman, World Partition (open worlds), and Unreal's networking, animation, and UI systems.

> 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.

> 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.

> 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.

> 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.