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skills/context7/SKILL.md

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+---
+name: context7
+description: |
+  Fetch up-to-date library documentation via Context7 API. Use PROACTIVELY when:
+  (1) Working with ANY external library (React, Next.js, Supabase, etc.)
+  (2) User asks about library APIs, patterns, or best practices
+  (3) Implementing features that rely on third-party packages
+  (4) Debugging library-specific issues
+  (5) Need current documentation beyond training data cutoff
+  Always prefer this over guessing library APIs or using outdated knowledge.
+---
+
+# Context7 Documentation Fetcher
+
+Retrieve current library documentation via Context7 API.
+
+## Workflow
+
+### 1. Search for the library
+
+```bash
+python3 {baseDir}/scripts/context7.py search "<library-name>"
+```
+
+Example:
+```bash
+python3 {baseDir}/scripts/context7.py search "next.js"
+```
+
+Returns library metadata including the `id` field needed for step 2.
+
+### 2. Fetch documentation context
+
+```bash
+python3 {baseDir}/scripts/context7.py context "<library-id>" "<query>"
+```
+
+Example:
+```bash
+python3 {baseDir}/scripts/context7.py context "/vercel/next.js" "app router middleware"
+```
+
+Options:
+- `--type txt|json` - Output format (default: txt)
+- `--tokens N` - Limit response tokens
+
+## Quick Reference
+
+| Task | Command |
+|------|---------|
+| Find React docs | `search "react"` |
+| Get React hooks info | `context "/facebook/react" "useEffect cleanup"` |
+| Find Next.js | `search "next.js"` |
+| Get Next.js app router | `context "/vercel/next.js" "app router API routes"` |
+| Find Supabase | `search "supabase"` |
+| Get Supabase auth | `context "/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