Calendar.app vs Reclaim MCP Server

In-depth architectural comparison of the Calendar.app and Reclaim 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 Calendar.app 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, list_events, get_event.

Explore Calendar.app Details

Choose Reclaim MCP Server when:

• You need dedicated capabilities in the Workplace & Productivity domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: RECLAIM_API_KEY.
• Primary tools included: health_check, verify_connection, list_tasks.

Explore Reclaim MCP Server Details

Feature & Specification Comparison

Specification	Calendar.app Workplace & Productivity	Reclaim MCP Server universalamateur Workplace & Productivity
Summary	List, search, and manage calendar events via macOS Calendar.app across all configured accounts.	Reclaim.ai calendar integration with 40 tools for tasks, habits, focus time, scheduling links, and productivity analytics.
Category & Scope	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-app": {
      "command": "npx",
      "args": [
        "-y",
        "@p-l-ta/calendar-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "universalamateur-reclaim-mcp-server": {
      "command": "uvx",
      "args": [
        "reclaim-mcp-server"
      ],
      "env": {
        "RECLAIM_API_KEY": "YOUR_RECLAIM_API_KEY_HERE"
      }
    }
  }
}

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