Context7 Documentation Skill
Fetch real-time, version-specific library documentation before implementing code.
When to Use
This skill activates automatically when Claude detects:
- •External library/framework usage (React, Next.js, Vue, FastAPI, etc.)
- •API integration or documentation needs
- •Framework setup or configuration
- •Package-specific code examples
Workflow
Step 1: Resolve Library ID
code
Tool: mcp__context7__resolve-library-id
Input: { "libraryName": "<library-name>" }
Output: Context7-compatible library ID
Step 2: Fetch Documentation
code
Tool: mcp__context7__get-library-docs
Input: {
"context7CompatibleLibraryID": "<resolved-id>",
"topic": "<optional-topic-filter>",
"tokens": 5000
}
Step 3: Apply Documentation
- •Base all code suggestions on retrieved documentation
- •Use current API patterns, not training data
Direct Library ID Syntax
Users can skip resolution with explicit IDs:
code
"use library /vercel/next.js for implementing app router" "use library /supabase/supabase for authentication"
Tool Limits
- •Max 3
resolve-library-idcalls per question - •Max 3
get-library-docscalls per question
Common Libraries
| Library | Context7 ID |
|---|---|
| Next.js | /vercel/next.js |
| React | /facebook/react |
| Vue | /vuejs/vue |
| Supabase | /supabase/supabase |
| TailwindCSS | /tailwindlabs/tailwindcss |