Caldav MCP vs Calcom MCP

In-depth architectural comparison of the Caldav MCP and Calcom MCP 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 Caldav MCP 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: CALDAV_URL, CALDAV_USERNAME, CALDAV_PASSWORD.
• Primary tools included: caldav_list_calendars, caldav_create_event, caldav_get_events.

Explore Caldav MCP Details

Choose Calcom MCP when:

• You need dedicated capabilities in the Workplace & Productivity domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: CALCOM_API_KEY.
• Primary tools included: .

Feature & Specification Comparison

Specification	Caldav MCP madbonez Workplace & Productivity	Calcom MCP Danielpeter-99 Workplace & Productivity
Summary	Universal MCP server for CalDAV protocol integration. Works with any CalDAV-compatible calendar server including Yandex Calendar, Google Calendar (via CalDAV), Nextcloud, ownCloud, Apple iCloud, and others. Supports creating events with recurrence, categories, priority, attendees, reminders, searching events, and retrieving events by UID.	MCP server for Calcom. Manage event types, create bookings, and access Cal.com scheduling data through LLMs.
Category & Scope

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": {
    "madbonez-caldav-mcp": {
      "command": "uvx",
      "args": [
        "mcp-caldav"
      ],
      "env": {
        "CALDAV_URL": "YOUR_CALDAV_URL_HERE",
        "CALDAV_USERNAME": "YOUR_CALDAV_USERNAME_HERE",
        "CALDAV_PASSWORD": "YOUR_CALDAV_PASSWORD_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "danielpeter-99-calcom-mcp": {
      "url": "https://api.cal.com/v2"
    }
  }
}

Related MCP Server Comparisons