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context7

@arvindand/agent-skills
4
28

Fetch up-to-date library documentation via Context7 REST API. Use when needing current API docs, framework patterns, or code examples for any library. Use when user asks about React, Next.js, Prisma, Express, Vue, Angular, Svelte, or any npm/PyPI package. Use when user says 'how do I use X library', 'what's the API for Y', or needs official documentation. Lightweight alternative to Context7 MCP with no persistent context overhead.

Install Skill

Shared

Installs to .agents/skills, used by Codex, Amp, Warp, Cursor, OpenCode, and more.

CodexAmp
WarpCursorOpenCode
ClineGemini CLI
GitHub Copilot
Personal

Available across projects.

$npx skills-installer add @arvindand/agent-skills/context7 --client shared
Project

Writes to .agents/skills.

$npx skills-installer add @arvindand/agent-skills/context7 -p --client shared
Note: Review the skill instructions before using it.

SKILL.md

name context7
description Documentation lookup via Context7 REST API. Use when the user needs current library APIs, framework patterns, migration guidance, or official code examples for React, Next.js, Prisma, Express, Vue, Angular, Svelte, or other npm/PyPI packages. Use when the user says 'how do I use X library', 'what's the API for Y', or asks for official documentation. Use even when you think you know the answer — training data may not reflect recent releases.
allowed-tools Bash(python3 ${CLAUDE_SKILL_DIR}/scripts/context7.py *)
license MIT
compatibility Requires Python 3 and network access. Optional CONTEXT7_API_KEY for higher rate limits.

Context7 Documentation Lookup

Use ${CLAUDE_SKILL_DIR}/scripts/context7.py to fetch current library documentation without MCP tool-schema overhead.

This is an execution skill. Decide whether to search or fetch directly, run the script, then use the returned docs to answer. Keep the main flow lean and load REFERENCES.md only when you need example commands, common library IDs, or troubleshooting details.

When to Use

Activate when the user asks for:

  • current library or framework APIs
  • official code examples or implementation patterns
  • version-specific docs or migration guidance
  • third-party tool setup that depends on vendor docs
  • documentation for libraries in npm, PyPI, or similar ecosystems

Core Workflow

  1. If you already know the library ID, skip search and call:

    python3 ${CLAUDE_SKILL_DIR}/scripts/context7.py docs <library-id> [topic] [mode]

  2. If the library ID is unclear, search first:

    python3 ${CLAUDE_SKILL_DIR}/scripts/context7.py search "<query>"

  3. Pick the best matching library ID, then fetch docs.

  4. Use the returned docs to answer with version-aware guidance and cite the source URL when the script provides one.

Decision Rules

  • Search only when the library ID is unclear or ambiguous.
  • Use code mode (default) for API references, function signatures, and implementation examples.
  • Use info mode for conceptual guides, architecture, and migration-heavy questions.
  • Use a focused topic first; broaden it if results are empty or off-target.
  • For version-specific docs, append the full upstream tag to the library ID (for example /vercel/next.js/v15.1.8), or include the version in the topic. A bare major such as /vercel/next.js/15 does not resolve.

If syntax is unclear, run:

python3 ${CLAUDE_SKILL_DIR}/scripts/context7.py --help

Output Rules

  • Prefer official patterns over generic recall when the docs provide a direct answer.
  • Keep the answer tied to the user's requested library and version.
  • Call out deprecations, caveats, or migration notes when the docs surface them.
  • If the docs are incomplete, say so and fall back to the best available general knowledge instead of inventing specifics.

Recovery

Issue Action
Library ID is unclear Re-run search with an alternate name, org name, or broader query.
Results are empty or irrelevant Broaden the topic, then retry with the other mode (code vs info).
User needs a specific version Add the version to the library ID or mention it in the topic, then verify the returned docs match.
Rate limited Tell the user about CONTEXT7_API_KEY, then use best-effort fallback guidance if needed.
Script usage is unclear Run python3 ${CLAUDE_SKILL_DIR}/scripts/context7.py --help.
Script or network failure Say live docs lookup failed and continue with clearly-labeled fallback knowledge.

License: MIT See also: REFERENCES.md