Calendar MCP vs MacOS Calendar and Reminders

In-depth architectural comparison of the Calendar MCP and MacOS Calendar and Reminders MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Calendar MCP when:

• You need dedicated capabilities in the Workplace & Productivity domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Calendar MCP Details

Choose MacOS Calendar and Reminders when:

• You need dedicated capabilities in the Workplace & Productivity domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore MacOS Calendar and Reminders Details

Feature & Specification Comparison

Specification	Calendar MCP Workplace & Productivity	MacOS Calendar and Reminders Workplace & Productivity
Summary	Google Calendar for LLM agents: find, create, update, move, delete events; free/busy; scheduling.	macOS Calendar and Reminders MCP server (24 tools). Native Swift EventKit, iCloud/Google/Exchange.
Category & Scope	Workplace & Productivity	Workplace & Productivity

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "calendar-mcp-2": {
      "command": "uvx",
      "args": [
        "calendar-mcp-server"
      ]
    }
  }
}

{
  "mcpServers": {
    "macos-calendar-and-reminders": {
      "command": "npx",
      "args": [
        "-y",
        "macos-calendar-and-reminders"
      ]
    }
  }
}

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