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Context7

Context7 is an MCP server that adds search and knowledge tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Context7 Platform -- Up-to-date docs for AI agents. It has 63,693 GitHub stars, is released under the MIT license and runs locally with npx -y @upstash/context7-mcp.

github.com/upstash/context7 (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

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Install Context7

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "context7": {
      "command": "npx",
      "args": [
        "-y",
        "@upstash/context7-mcp"
      ],
      "env": {
        "CONTEXT7_API_KEY": "your-value"
      }
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --env CONTEXT7_API_KEY=your-value --transport stdio context7 -- npx -y @upstash/context7-mcp

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "context7": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@upstash/context7-mcp"
      ],
      "env": {
        "CONTEXT7_API_KEY": "your-value"
      }
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "context7_api_key",
      "description": "CONTEXT7_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "context7": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@upstash/context7-mcp"
      ],
      "env": {
        "CONTEXT7_API_KEY": "${input:context7_api_key}"
      }
    }
  }
}

Claude Code (remote)

claude mcp add --transport http context7 "https://mcp.context7.com/mcp"

The same server is also hosted as a remote MCP endpoint, so nothing runs on your machine.

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
CONTEXT7_API_KEYsecretNoAPI key for authentication

Tools (4)

Parsed from the Tools section of the README; check the repository for the current list.

  • resolve-library-id

    Resolves a general library name into a Context7-compatible library ID.

  • query

    The user's question or task (used to rank results by relevance)

  • query-docs

    Retrieves documentation for a library using a Context7-compatible library ID.

  • language

    The programming language you write in, used to rank code examples in that language first

About Context7

LLMs rely on outdated or generic information about the libraries you use. You get: Context7 pulls up-to-date, version-specific documentation and code examples straight from the source — and gives them to your coding agent.

  • llm
  • mcp
  • mcp-server
  • vibe-coding

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FAQ

Context7 FAQ

Still curious? Email info@appsgit.com.

How do I install the Context7 MCP server?

Add the command npx -y @upstash/context7-mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Context7 free?

The server is open source under the MIT license, so running it is free. It needs credentials (CONTEXT7_API_KEY) for the service it connects to, which may require a paid account.

Is Context7 actively maintained?

The most recent commit was on Oct 23, 2026. The latest release is @upstash/context7-sdk@0.6.0, published Oct 23, 2026. appsgit only lists MCP servers with a commit in the last six months.