Context7 MCP - Up-to-date Docs For Any Cursor Prompt

Name: Context7 MCP - Up-to-date Docs For Any Cursor Prompt
Author: upstash

@upstash

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About Context7 MCP - Up-to-date Docs For Any Cursor Prompt

Context7 Platform -- Up-to-date code documentation for LLMs and AI code editors

#mcp #llm #mcp-server #vibe-coding

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "context7-mcp": {
      "command": "npx",
      "args": [
        "ctx7",
        "setup"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Context7 MCP - Up-to-date Docs For Any Cursor Prompt?

It is an MCP server that injects up-to-date, version-specific library documentation and code examples directly into an LLM’s context, replacing outdated or hallucinated answers. It integrates with coding agents such as Cursor, Claude Code, and OpenCode via either an MCP server or a CLI skills mode. It is designed for developers who use AI coding assistants and want accurate, current API references without tab-switching.

How to use Context7 MCP - Up-to-date Docs For Any Cursor Prompt?

Install using npx ctx7 setup (requires Node.js 18 or newer); the command authenticates via OAuth and generates an API key, then installs either a CLI+Skills or MCP configuration. Alternatively, manually register the server URL https://mcp.context7.com/mcp with your MCP client and pass your API key via the CONTEXT7_API_KEY header. Use the ctx7 library and ctx7 docs CLI commands, or the MCP tools resolve-library-id and query-docs.

Key features of Context7 MCP - Up-to-date Docs For Any Cursor Prompt

Fetches documentation directly from official library sources
Supports specifying exact library IDs and version numbers
Works as both an MCP server and CLI skills mode
Free API key with higher rate limits available
Multi-language documentation (16+ languages)
No hallucinated APIs or outdated code examples

Use cases of Context7 MCP - Up-to-date Docs For Any Cursor Prompt

Generate Next.js middleware with current JWT authentication patterns
Configure a Cloudflare Worker using the latest cache API syntax
Retrieve up-to-date Supabase auth API for email/password sign-up
Get version-specific code examples for any supported library

FAQ from Context7 MCP - Up-to-date Docs For Any Cursor Prompt

What dependencies or runtime are required?

Node.js version 18 or newer is required for the ctx7 CLI.

How do I get an API key?

Get a free API key at context7.com/dashboard for higher rate limits.

How do I remove the setup later?

Run npx ctx7 remove to clean up generated configuration. If you globally installed the CLI, also run npm uninstall -g ctx7.

Can I specify a library version?

Yes. Mention the version in your prompt (e.g., “Next.js 14 middleware”) and Context7 will automatically match the appropriate documentation.

How does authentication and transport work?

The MCP server uses your API key passed via the CONTEXT7_API_KEY HTTP header. The standard MCP transport is HTTP.

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