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Mu

Mu is an MCP server that adds productivity tools to AI assistants such as Claude Code, Cursor and VS Code. News, web search, mail, markets, weather, places, files, calendar, contacts. It has 437 GitHub stars, is released under the AGPL-3.0 license and runs as a remote server at https://micro.mu/mcp.

github.com/micro/mu (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 Mu

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

Claude Desktop

Settings > Connectors > Add custom connector
URL: https://micro.mu/mcp

Remote servers are added as a custom connector, not in claude_desktop_config.json.

Claude Code

claude mcp add --transport http mu "https://micro.mu/mcp"

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "mu": {
      "url": "https://micro.mu/mcp"
    }
  }
}

VS Code

.vscode/mcp.json
{
  "servers": {
    "mu": {
      "type": "http",
      "url": "https://micro.mu/mcp"
    }
  }
}

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).

About Mu

Micro is the default agent. Agents have instructions and a set of tools. Services provide those tools: mail, files, calendar, search, weather, notes, shell, and more. You ask for an outcome; the agent chooses the tools.

  • micro
  • agent
  • assistant

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FAQ

Mu FAQ

Still curious? Email info@appsgit.com.

How do I install the Mu MCP server?

It is a remote MCP server at https://micro.mu/mcp. Add it with claude mcp add --transport http in Claude Code, as a url entry in .cursor/mcp.json or .vscode/mcp.json, or as a custom connector in the Claude apps.

Is Mu free?

The server is open source under the AGPL-3.0 license, so running it is free. It does not declare any required API key.

Is Mu actively maintained?

The most recent commit was on Oct 26, 2026. The latest release is v2.15.0, published Oct 26, 2026. appsgit only lists MCP servers with a commit in the last six months.