Context7 MCP Server

Access real-time documentation for any programming library with version-specific information - completely free and open source

View on GitHub Quick Start →

⚡ Quick Install with Claude Code MCP Guide

Connect Claude Code to any remote MCP server with one simple command. Choose between direct HTTP connections or a universal bridge - all configured automatically with our setup wizard.

Get the Claude Code MCP Setup Guide →

🔌 Test MCP Server Connection

Test your connection to the MCP wrapper server using your x-api-key. This validates that your MCP server credentials are configured correctly.

MCP Server API Key (x-api-key)

📡 API Endpoint & Required Headers

POST https://context7.mcp.majewscy.tech

Required HTTP Headers:

Content-Type: application/json

x-api-key: Your MCP server API key

🛠️ Available Tools

resolve-library-id

Resolve a library name to Context7-compatible ID

get-library-docs

Fetch documentation for a library

⚠️ Common Errors & Solutions

401 Unauthorized

Invalid MCP server key

Solution: Check your x-api-key for the MCP wrapper

404 Not Found

Library not found

Solution: Check library name and version

429 Rate Limited

Too many requests

Solution: Reduce request frequency

503 Service Unavailable

Documentation source unavailable

Solution: Try again later

🏥 Service Health Check

Checking...

Response Time

Server Status

Protocol Version

2024-11-05

Last Checked

Configuration

// Claude Desktop: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS)
// Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "context7": {
      "command": "npx",
      "args": [
        "-y",
        "@upstash/context7-mcp@latest"
      ],
      "env": {
        
      }
    }
  }
}

// HTTP Wrapper Configuration (for remote access)
{
  "context7": {
    "type": "http",
    "url": "https://context7.mcp.majewscy.tech",
    "headers": {
      "x-api-key": "YOUR_API_KEY"
    }
  }
}

// Claude Code: .mcp.json in your project root
{
  "context7": {
    "command": "npx",
    "args": [
      "-y",
      "@upstash/context7-mcp@latest"
    ],
    "env": {
      
    }
  }
}

Features

Enterprise-grade Context7 integration for AI assistants

📚

Real-time Docs

Access up-to-date documentation for any programming library.

🔍

Version-Specific

Get docs for specific versions of libraries and frameworks.

💻

Code Examples

Retrieve working code examples and best practices.

🤖

AI-Enhanced

Context-aware documentation suggestions.

🌐

Multi-Language

Support for all major programming languages.

🆓

Free & Open Source

No API keys required - completely free to use.

📋 Recent Updates from GitHub

Latest Aug 14, 2025

Desktop extension: Added configuration and assets for Context7 desktop extension
Documentation: Added desktop extension installation instructions to README

Recent Aug 13, 2025

Fix: Claude desktop configuration issues resolved

Recent Aug 10, 2025

Update: Windsurf MCP URL updated in README

Recent Aug 9, 2025

Maintenance: Removed unnecessary export keywords and formatted README
Documentation: Formatted documentation for better readability

View all commits on GitHub →

🔐 Update Server