Macos MCP Server: Install & Setup

Install Macos in Claude Code

npm

Claude Code

claude mcp add aernouddekker-macos -- npx -y @aernoud/calendarmcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "aernouddekker-macos": {
      "command": "npx",
      "args": [
        "-y",
        "@aernoud/calendarmcp"
      ]
    }
  }
}

npm

Claude Code

claude mcp add aernouddekker-macos -- npx -y @aernoud/contactsmcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "aernouddekker-macos": {
      "command": "npx",
      "args": [
        "-y",
        "@aernoud/contactsmcp"
      ]
    }
  }
}

npm

Claude Code

claude mcp add aernouddekker-macos -- npx -y @aernoud/facetimemcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "aernouddekker-macos": {
      "command": "npx",
      "args": [
        "-y",
        "@aernoud/facetimemcp"
      ]
    }
  }
}

npm

Claude Code

claude mcp add aernouddekker-macos -- npx -y mailappmcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "aernouddekker-macos": {
      "command": "npx",
      "args": [
        "-y",
        "mailappmcp"
      ]
    }
  }
}

Frequently asked questions

What does the Macos MCP server do?

MCP server for macOS Calendar.app — calendar and event management via AppleScript

Is the Macos MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Macos run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Macos to Claude Code?

Run: claude mcp add aernouddekker-macos -- npx -y @aernoud/calendarmcp

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