Official MCP RegistryHosted serverapp.callendar.de

Callendar

WhatsApp reminders and rescheduling for Calendly bookings via a public read-only endpoint.

Connect to Claude Code

Copy

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

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “Callendar”. Verified through the vendor namespace.