Context7 MCP for Claude Code: Real-Time Documentation & Library Integration Expert

What is the Context7 MCP?

The Context7 MCP (Model Context Protocol) for Claude Code provides real-time access to library documentation, API references, and code examples from 1000+ popular programming libraries and frameworks. Never work with outdated documentation again.

graph LR
    A[💻 Claude Code] --> B[🔌 Context7 MCP]
    B --> C[📚 Real-time Library Docs]
    C --> D[✨ Up-to-date Code]

    style B fill:#F97316,stroke:#fff,color:#000

Key Capabilities

Real-Time Documentation Access - Get current API docs for React, Next.js, Supabase, and 1000+ libraries
Version-Specific References - Access documentation for specific library versions
Code Examples Integration - Working code snippets and usage patterns
Migration Guides - Upgrade paths and breaking changes documentation
Multi-Library Support - JavaScript, TypeScript, Python, databases, and UI frameworks
Automatic Fetching - Documentation loaded automatically when referenced in prompts

Installation

Install the Context7 MCP using the Claude Code Templates CLI:

npx claude-code-templates@latest --mcp devtools/context7

Where is the MCP installed?

The MCP configuration is saved in .claude/mcp.json in your project directory:

your-project/
├── .claude/
│   └── mcp.json    # ← MCP configuration installed here
├── src/
│   └── components/
├── package.json
└── README.md

How to Use the MCP

Start Claude Code and simply reference libraries in your prompts - Context7 will automatically fetch current documentation:

# Start Claude Code
claude

# Then reference any library in your prompt
> How do I use Server Actions in Next.js 14 App Router?

Claude Code will automatically fetch the latest Next.js documentation via Context7 and provide accurate, up-to-date answers.

Usage Examples

Example 1: React Server Components

claude

> Create a React Server Component that fetches user data using the async/await pattern. Show me the latest best practices for data fetching in Server Components

Result: Context7 fetches the current React Server Components API documentation, async component patterns, streaming and Suspense integration, and caching strategies. You get accurate, up-to-date code examples specific to your React version.

Example 2: Next.js App Router Implementation

claude

> How do I create a dynamic route with multiple parameters in Next.js App Router? Show me the file structure and implementation

Result: Context7 provides the latest Next.js App Router documentation including route structure conventions, dynamic segments syntax, generateStaticParams API, and examples of parallel and intercepting routes.

Example 3: Supabase Authentication Setup

claude

> Implement email authentication with Supabase in a Next.js app. Include signup, login, and session management

Result: Context7 delivers current Supabase Auth API methods, session management best practices, server-side auth helpers, and email verification flows with working code examples.

Official Documentation

For more information about MCPs in Claude Code, see the official documentation.