context7-docs

name	context7-docs
description	Fetch official library docs via Context7 MCP. Use for Tailwind CSS docs (grid, responsive variants), React, Next.js, Vue, MCP, OpenCode, or any npm library. Always use before external web search. DO NOT use for: general web search, non-library code questions, internal/proprietary API documentation, or when the user already has the docs locally.
allowed-tools	Bash(npx:*) Bash(./scripts/*) Read Glob Grep
context	fork
compatibility	OpenCode, Codex CLI, GitHub Copilot. Requires npx and Context7 MCP server.

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