Agent Skills: Documentation Lookup with Context7

Look up library documentation using Context7. Use when needing API reference, library docs, framework documentation, or technical documentation lookup. Provides up-to-date, version-specific docs and code examples.

UncategorizedID: julianobarbosa/claude-code-skills/looking-up-docs

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pnpm dlx add-skill https://github.com/julianobarbosa/claude-code-skills/tree/HEAD/skills/looking-up-docs

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skills/looking-up-docs/SKILL.md

Skill Metadata

Name
looking-up-docs
Description
Look up library documentation using Context7. Use when needing API reference, library docs, framework documentation, or technical documentation lookup. Provides up-to-date, version-specific docs and code examples.

Documentation Lookup with Context7

Context7 provides up-to-date, version-specific documentation and code examples directly from source libraries.

Why Context7

  • Current APIs: No hallucinated or outdated patterns
  • Version-specific: Gets docs for exact library versions
  • Code examples: Real, working code from actual documentation

Workflow

  1. Resolve library ID: mcp__context7__resolve-library-id with libraryName
  2. Get documentation: mcp__context7__get-library-docs with context7CompatibleLibraryID and topic

Modes

| Mode | Use For | | ------ | ------------------------------------------ | | code | API references, code examples (default) | | info | Conceptual guides, architecture, tutorials |

Examples

# React hooks
resolve-library-id: "react"
get-library-docs: context7CompatibleLibraryID="/facebook/react", topic="hooks", mode="code"

# Next.js middleware
resolve-library-id: "next.js"
get-library-docs: context7CompatibleLibraryID="/vercel/next.js", topic="middleware"

# Go net/http
resolve-library-id: "go net/http"
get-library-docs: context7CompatibleLibraryID="/golang/go", topic="http server"

# Kubernetes API
resolve-library-id: "kubernetes"
get-library-docs: context7CompatibleLibraryID="/kubernetes/kubernetes", topic="deployment"

Tips

  • Use topic parameter to narrow results to specific features
  • Try mode="info" for architectural questions
  • Paginate with page=2, page=3 if initial results insufficient

Gotchas

  • Context7 query without version scoping returns hits across versions — Next.js 14 question can answer with Next.js 12 code. Always include the version.
  • Library aliases (e.g., react vs @types/react) may resolve to different libraries — use the full Context7 ID, not the npm name.
  • Stale cache: Context7 may have indexed a library version that's been yanked from npm — check upstream before trusting.
  • Rate limits per API key per day — bursting on the free tier locks the key out until midnight UTC.
  • No multi-version diff: Context7 doesn't surface what changed between versions; for migrations, dual-query and compare manually.