ctx7

name	ctx7
description	Query official library/framework documentation. Use when looking up API references, usage examples, or official best practices for a specific library or framework. Invoke when analyzing code that uses unfamiliar dependencies.

ctx7 — Official Documentation Lookup

Command

npx ctx7 docs <LIBRARY_ID> <QUERY>

Common Library IDs

Library	ID
React	/reactjs/react.dev
Next.js	/vercel/next.js
Vue	/vuejs/core
FastAPI	/tiangoto/fastapi
Django	/django/django
pytest	/pytest-dev/pytest
Python	/python/cpython
Rust	/rust-lang/rust

Find more: npx ctx7 library <keyword>

Examples

# Look up React useEffect
npx ctx7 docs /reactjs/react.dev "useEffect hook"

# Look up FastAPI router
npx ctx7 docs /tiangoto/fastapi "router"

# Search for a library
npx ctx7 library react

When to Use

• Codebase uses an unfamiliar library/framework → look up its official docs
• Need to verify correct API usage
• Analyzing dependencies from pyproject.toml / package.json