tomevault-io Context7 MCP Documentation Retrieval
Tools
resolve-library-id
Resolve package name to Context7-compatible library ID. Must call before query-docs unless ID is known.
query-docs
Fetch documentation with parameters:
libraryId- From resolve-library-id (e.g.,/facebook/react)query- Specific question or topic
Common Library IDs
- React:
/facebook/react - Next.js:
/vercel/next.js - TypeScript:
/microsoft/typescript - NixOS:
/nixos/nixpkgs - Home Manager:
/nix-community/home-manager
Usage Patterns
Specific Feature Lookup
query-docs libraryId="/facebook/react" query="useState hook usage"
General Overview
query-docs libraryId="/vercel/next.js" query="getting started app router"
Verify Codebase Usage
- Find current library usage in the codebase
- Query Context7 for latest documentation
- Compare usage with documented best practices
Critical Rules
- Always resolve library ID before fetching documentation
- Prefer libraries with trust score 7+ (quality indicator)
- Use specific queries to get relevant results
Anti-Patterns to Avoid
- Skipping ID resolution (causes lookup failures)
- Using incorrect/outdated library names
- Ignoring trust scores (low scores = unreliable docs)
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