> browse/registry

> iron-session

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

> supabase

Build applications with Supabase as the backend — Postgres database, authentication, real-time subscriptions, storage, and edge functions. Use when someone asks to "set up Supabase", "add authentication", "create a real-time app", "set up row-level security", "configure Supabase storage", "write edge functions", or "migrate from Firebase to Supabase". Covers project setup, schema design with RLS, auth flows, real-time subscriptions, file storage, and edge functions.

> 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.

> 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.

> 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.

> trigger-dev

You are an expert in Trigger.dev, the open-source background jobs platform for TypeScript. You help developers build reliable long-running tasks, scheduled jobs, webhook handlers, and event-driven workflows with automatic retries, concurrency control, real-time logs, and deployment to serverless infrastructure — replacing BullMQ/Redis setups with a fully managed or self-hosted solution purpose-built for modern TypeScript apps.

> web-scraper

Extract structured data from web pages and load it into databases. Use when a user asks to scrape a website, build a data pipeline, extract data from a webpage, pull prices from a site, collect links, gather product listings, download page content, parse HTML, set up ETL, or automate data collection. Handles static HTML, JavaScript-rendered pages, anti-bot proxies (Bright Data), data transformation, deduplication, and database loading.

> 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.

> 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."

> 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.

> 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.

> 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.

> database-architect

Expert database architect specializing in data layer design from scratch, technology selection, schema modeling, and scalable database architectures. Masters SQL/NoSQL/TimeSeries database selection, normalization strategies, migration planning, and performance-first design. Handles both greenfield architectures and re-architecture of existing systems. Use PROACTIVELY for database architecture, technology selection, or data modeling decisions.

> system-design

Design scalable distributed systems using structured approaches for load balancing, caching, database scaling, and message queues. Use when the user mentions "system design", "scale this", "high availability", "rate limiter", or "design a URL shortener". Covers common system designs and back-of-the-envelope estimation. For data fundamentals, see ddia-systems. For resilience, see release-it.

> clickhouse-best-practices

MUST USE when reviewing ClickHouse schemas, queries, or configurations. Contains 28 rules that MUST be checked before providing recommendations. Always read relevant rule files and cite specific rules in responses.

> azure-prepare

Prepare Azure apps for deployment (infra Bicep/Terraform, azure.yaml, Dockerfiles). Use for create/modernize or create+deploy; not cross-cloud migration (use azure-cloud-migrate). WHEN: "create app", "build web app", "create API", "create serverless HTTP API", "create frontend", "create back end", "build a service", "modernize application", "update application", "add authentication", "add caching", "host on Azure", "create and deploy", "deploy to Azure", "deploy to Azure using Terraform", "deplo

> azure-migrate

Expert knowledge for Azure Migrate development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when using AppCAT/CAST, Site Recovery REST APIs, Azure Migrate appliance, Arc-based discovery, or Resource Mover, and other Azure Migrate related development tasks. Not for Azure Database Migration service (use azure-database-migration), Azure Site Recovery (use azur

> scanning-database-security

This skill enables Claude to perform comprehensive database security scans using the database-security-scanner plugin. It is triggered when the user requests a security assessment of a database, including identifying vulnerabilities like weak passwords, SQL injection risks, and insecure configurations. The skill leverages OWASP guidelines to ensure thorough coverage and provides remediation suggestions. Use this skill when the user asks to "scan database security", "check database for vulnerabil

> clickhouse-io

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

> golang-database

Implement database access with connection pooling and repository patterns in Go. Use when building database access, connection pools, or repositories in Go. (triggers: internal/adapter/repository/**, database, sql, postgres, gorm, sqlc, pgx)