Callendar MCP Server: Install & Setup

Install Callendar in Claude Code

Claude Code

claude mcp add --transport http callendar https://app.callendar.de/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "callendar": {
      "url": "https://app.callendar.de/mcp"
    }
  }
}

Frequently asked questions

What does the Callendar MCP server do?

WhatsApp® reminders and rescheduling for Calendly. Public read-only MCP endpoint.

Is the Callendar MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Callendar run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Callendar to Claude Code?

Run: claude mcp add --transport http callendar https://app.callendar.de/mcp

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