Google Calendar MCP vs Icloud Calendar

In-depth architectural comparison of the Google Calendar MCP and Icloud Calendar 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 Google 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).
• Primary tools included: list_calendars, get_calendar, list_events.

Explore Google Calendar MCP Details

Choose Icloud Calendar 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).
• You have access to required keys: ICLOUD_USERNAME, ICLOUD_APP_PASSWORD.
• Primary tools included: list_calendars, list_events, get_event.

Feature & Specification Comparison

Specification	Google Calendar MCP Workplace & Productivity	Icloud Calendar Workplace & Productivity
Summary	Google Calendar over MCP: calendars, events, recurrence and availability.	Manage Apple iCloud Calendar through a reliable CalDAV MCP server.
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": {
    "google-calendar-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "google-calendar-mcp-2"
      ]
    }
  }
}

{
  "mcpServers": {
    "icloud-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "icloud-calendar-mcp"
      ],
      "env": {
        "ICLOUD_USERNAME": "YOUR_ICLOUD_USERNAME_HERE",
        "ICLOUD_APP_PASSWORD": "YOUR_ICLOUD_APP_PASSWORD_HERE"
      }
    }
  }
}

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