Koskamo

caldav-mcp

An open-source CalDAV MCP server that allows AI assistants to interact with CalDAV calendar servers. It exposes tools for listing calendars, retrieving events within a specific timeframe, and performing CRUD operations (create, update, delete) on calendar events. It supports features like all-day events and recurrence rules.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

caldav-mcp logo, by dominik1001Community listingLocal stdioSource reviewed; not executedPublished by dominik1001
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 107 GitHub stars

What you can do with it

  • List all available calendars
  • List calendar events within a specific timeframe
  • Create new calendar events
  • Update or delete existing events by UID

Source and maintenance

Community listingRegistry 0.9.0MIT
mcp-registry: io.github.dominik1001/caldav-mcp@0.9.0Source repository
Last repository push
Latest release
v0.10.3
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

caldav-mcp 0.9.0

npm
caldav-mcp package definition
{
  "version": "0.9.0",
  "transport": "stdio",
  "identifier": "caldav-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "CALDAV_BASE_URL",
      "format": "string",
      "isRequired": true,
      "description": "Base URL of the CalDAV server (e.g. https://caldav.example.com)"
    },
    {
      "name": "CALDAV_USERNAME",
      "format": "string",
      "isRequired": true,
      "description": "Username for CalDAV authentication"
    },
    {
      "name": "CALDAV_PASSWORD",
      "format": "string",
      "isRequired": true,
      "description": "Password for CalDAV authentication"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "caldav-mcp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp@0.9.0"
      ],
      "env": {
        "CALDAV_BASE_URL": "<YOUR_CALDAV_BASE_URL>",
        "CALDAV_USERNAME": "<YOUR_CALDAV_USERNAME>",
        "CALDAV_PASSWORD": "<YOUR_CALDAV_PASSWORD>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "caldav-mcp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp@0.9.0"
      ],
      "env": {
        "CALDAV_BASE_URL": "<YOUR_CALDAV_BASE_URL>",
        "CALDAV_USERNAME": "<YOUR_CALDAV_USERNAME>",
        "CALDAV_PASSWORD": "<YOUR_CALDAV_PASSWORD>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "caldav-mcp-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp@0.9.0"
      ],
      "env": {
        "CALDAV_BASE_URL": "<YOUR_CALDAV_BASE_URL>",
        "CALDAV_USERNAME": "<YOUR_CALDAV_USERNAME>",
        "CALDAV_PASSWORD": "<YOUR_CALDAV_PASSWORD>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "caldav-mcp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp@0.9.0"
      ],
      "env": {
        "CALDAV_BASE_URL": "<YOUR_CALDAV_BASE_URL>",
        "CALDAV_USERNAME": "<YOUR_CALDAV_USERNAME>",
        "CALDAV_PASSWORD": "<YOUR_CALDAV_PASSWORD>"
      }
    }
  }
}

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