Context7 API Documentation Fetcher

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(5) Need current documentation beyond training data cutoff Always prefer this over guessing library APIs or using outdated knowledge.

通过 Context7 API 获取最新库文档。在以下情况主动使用：(1) 使用任何外部库时；(2) 用户询问库 API、模式或最佳实践时；(3) 实现依赖第三方包的功能时；(4) 调试库特定问题时；(5) 需要训练数据截止日期后的最新文档时。始终优先使用此工具，而非猜测 API 或使用过时知识。

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概述

Context7 Documentation Fetcher

Retrieve current library documentation via Context7 API.

Workflow

1. Search for the library

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

Example:

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

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

2. Fetch documentation context

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

Example:

python3 ~/.claude/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

Task	Command
------	---------
Find React docs	`search "react"`
Get React hooks info	`context "/facebook/react" "useEffect cleanup"`
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

版本历史

共 1 个版本

v1.0.0 当前

2026-03-28 13:54 安全安全

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