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Skillscontext7-docs

context7-docs

Coding & development

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Updated 10-15 20:11

About this skill

Context7 Docs - Library Documentation

Fetch up-to-date library documentation via the Context7 MCP server. Use this skill when you need to research any npm library, framework, or tool.

Quick Reference

Action Command Description
search ./scripts/docs.sh search <library> Find library ID for a given name
docs ./scripts/docs.sh docs <library> [topic] [--tokens N] Get documentation for a library
help ./scripts/docs.sh help Show usage help

How to Use

Natural Language

  • "Get React hooks documentation"
  • "Search for Next.js App Router docs"
  • "Find Vue 3 composition API documentation"
  • "Look up Tailwind CSS utilities"

Script Commands

# Search for a library
./scripts/docs.sh search react
./scripts/docs.sh search "next.js"

# Get documentation (automatically resolves library ID)
./scripts/docs.sh docs react hooks
./scripts/docs.sh docs next.js "app router"
./scripts/docs.sh docs tailwindcss utilities

# Get general documentation without topic filter
./scripts/docs.sh docs vue

Available Actions

search

Find the Context7-compatible library ID for a given library name.

Parameters:

  • library (required): Library name to search for (e.g., "react", "next.js")

Example:

./scripts/docs.sh search react
# Returns: /npm/react, /websites/react_dev, etc.

docs

Get documentation for a library, optionally filtered by topic.

Parameters:

  • library (required): Library name (will be resolved to ID automatically)
  • topic (optional): Topic to filter documentation (e.g., "hooks", "routing")

Example:

# Get React hooks documentation
./scripts/docs.sh docs react hooks

# Get general Next.js documentation
./scripts/docs.sh docs next.js

# Get specific Vue documentation
./scripts/docs.sh docs vue "composition api"

Workflow

This skill encodes the Context7 two-step workflow:

  1. Resolve Library ID: Converts human-readable library name to Context7 ID
  2. Fetch Documentation: Gets documentation using the resolved ID

This is handled automatically by the docs action.

Supported Libraries

Context7 supports thousands of libraries including:

  • Frontend: React, Vue, Angular, Svelte, Solid
  • Meta-frameworks: Next.js, Nuxt, Remix, Astro, SvelteKit
  • Styling: Tailwind CSS, styled-components, Emotion
  • State: Redux, Zustand, Jotai, Pinia
  • Backend: Express, Fastify, Hono, Nest.js
  • Databases: Prisma, Drizzle, TypeORM, Mongoose
  • Testing: Jest, Vitest, Playwright, Cypress
  • And many more...

Prerequisites

  • Node.js 18+ installed
  • curl installed
  • Option A: Install MCPorter via Homebrew: brew tap steipete/tap && brew install mcporter
  • Option B: Use via npx (no install required): npx mcporter

Note: Context7 server configuration is optional. The skill automatically falls back to the Context7 public URL (https://mcp.context7.com/mcp) if no local server is configured.

Environment Variables

  • CONTEXT7_SERVER: MCP server name (default: context7)
  • CONTEXT7_API_KEY: API key for higher rate limits (free at context7.com/dashboard)
  • CONTEXT7_API_BASE: Direct Context7 REST base URL (default: https://context7.com/api/v2)
  • CONTEXT7_REST_FALLBACK: Enable direct REST fallback when MCP calls fail (default: 1)
  • MCPORTER_TIMEOUT: Timeout in seconds for MCPorter calls (default: 20)

Transport Chain

The script tries these in order, falling back on failure:

  1. ctx7 CLI — npx ctx7 library/docs (simplest, no MCPorter needed)
  2. MCPorter → MCP — configured local server or Context7 public URL
  3. Direct REST — curl to context7.com/api/v2

Tips

  • Use a direct library ID to skip the search step: ./scripts/docs.sh docs /vercel/next.js "app router"
  • Mention a version in your query for version-specific docs: ./scripts/docs.sh docs react "hooks in React 18"

Notes

  • Use this skill BEFORE searching external documentation
  • Topic filtering helps reduce context size - use specific topics when possible
  • Use --tokens N to control response size when context budget is tight
  • If a library isn't found, try alternative names (e.g., "nextjs" vs "next.js")
  • For generic MCP access, use the mcporter skill instead
  • Falls back to Context7 public MCP URL when server not configured locally
  • If MCP calls fail (including quota exhaustion), falls back to direct Context7 REST API when enabled