Caldav MCP Server

by dominik1001io.github.dominik1001/caldav-mcpv0.9.0

CalDAV calendar operations (list, create, update, delete events) as MCP tools.

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Active25d ago

Install Caldav MCP server

claude mcp add caldav -e CALDAV_BASE_URL='<caldav-base-url>' -e CALDAV_USERNAME='<caldav-username>' -e CALDAV_PASSWORD='<caldav-password>' -- npx -y caldav-mcp

{
  "mcpServers": {
    "caldav": {
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp"
      ],
      "env": {
        "CALDAV_BASE_URL": "<caldav-base-url>",
        "CALDAV_USERNAME": "<caldav-username>",
        "CALDAV_PASSWORD": "<caldav-password>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "caldav": {
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp"
      ],
      "env": {
        "CALDAV_BASE_URL": "<caldav-base-url>",
        "CALDAV_USERNAME": "<caldav-username>",
        "CALDAV_PASSWORD": "<caldav-password>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "caldav": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp"
      ],
      "env": {
        "CALDAV_BASE_URL": "<caldav-base-url>",
        "CALDAV_USERNAME": "<caldav-username>",
        "CALDAV_PASSWORD": "<caldav-password>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "caldav": {
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp"
      ],
      "env": {
        "CALDAV_BASE_URL": "<caldav-base-url>",
        "CALDAV_USERNAME": "<caldav-username>",
        "CALDAV_PASSWORD": "<caldav-password>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
CALDAV_BASE_URL	yes	—	Base URL of the CalDAV server (e.g. https://caldav.example.com)
CALDAV_USERNAME	yes	—	Username for CalDAV authentication
CALDAV_PASSWORD	yes	yes	Password for CalDAV authentication

Freshness

Active — last maintenance signal 25d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-15 · 25d ago · GitHub
Latest release
2026-07-01 · 3mo ago · GitHub · v0.10.0
Package published
no data · npm/PyPI
Registry entry updated
2026-05-27 · 5mo ago · official registry · v0.9.0

FAQ

›How do I install the Caldav MCP server in Claude Code?

Run: claude mcp add caldav -e CALDAV_BASE_URL='<caldav-base-url>' -e CALDAV_USERNAME='<caldav-username>' -e CALDAV_PASSWORD='<caldav-password>' -- npx -y caldav-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Caldav require an API key?

Yes. It expects CALDAV_BASE_URL, CALDAV_USERNAME, CALDAV_PASSWORD, of which 1 is a secret.

›Can I use Caldav as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Caldav in the official MCP registry?

Yes, as io.github.dominik1001/caldav-mcp.