MacOS Calendar & Reminders vs CalDAV MCP Server

In-depth architectural comparison of the MacOS Calendar & Reminders and CalDAV MCP Server 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 MacOS Calendar & Reminders when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore MacOS Calendar & Reminders Details

Choose CalDAV MCP Server when:

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

Explore CalDAV MCP Server Details

Feature & Specification Comparison

Specification	MacOS Calendar & Reminders Developer Tools	CalDAV MCP Server Developer Tools
Summary	macOS Calendar & Reminders MCP server (24 tools). Native Swift EventKit, iCloud/Google/Exchange.	A TypeScript MCP server for iCloud Calendar with native multi-VALARM support.
Category & Scope	Developer Tools	Developer Tools

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": {
    "macos-calendar-reminders": {
      "url": "https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT"
    }
  }
}

{
  "mcpServers": {
    "caldav-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "No"
      ]
    }
  }
}

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