context7

Fetch up-to-date library documentation via Context7 CLI. Use PROACTIVELY when: (1) Working with ANY external library (React, Next.js, Supabase, etc.) (2) User…

INSTALLATION
npx skills add https://github.com/am-will/codex-skills --skill context7
Run in your project or agent environment. Adjust flags if your CLI version differs.

SKILL.md

Context7 Documentation Fetcher

Retrieve current library documentation via Context7 API.

IMPORTANT: CONTEXT7_API_KEY IS STORED IN THE .env FILE IN THE SKILL FOLDER THAT THE CONTEXT7 SKILL IS INSTALLED IN. SEARCH FOR IT THERE. .env FILES ARE HIDDEN FILES.

Example:

~/.agents/skills/context7/.env

~/.claude/skills/context7/.env

Workflow

1. Search for the library

python3 ~/.codex/skills/context7/scripts/context7.py search "<library-name>"

Example:

python3 ~/.codex/skills/context7/scripts/context7.py search "next.js"

Returns library metadata including the id field needed for step 2.

2. Fetch documentation context

python3 ~/.codex/skills/context7/scripts/context7.py context "<library-id>" "<query>"

Example:

python3 ~/.codex/skills/context7/scripts/context7.py context "/vercel/next.js" "app router middleware"

Options:

  • --type txt|md - Output format (default: txt)
  • --tokens N - Limit response tokens

Quick Reference

TaskCommand
Find React docssearch "react"
Get React hooks infocontext "/facebook/react" "useEffect cleanup"
Find Supabasesearch "supabase"
Get Supabase authcontext "/supabase/supabase" "authentication row level security"

When to Use

  • Before implementing any library-dependent feature
  • When unsure about current API signatures
  • For library version-specific behavior
  • To verify best practices and patterns
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