Calendesk for ChatGPT
com.calendesk/calendesk
Manage Calendesk bookings, customers, employees and services from AI assistants. OAuth sign-in.
client:ChatGPT
transport:streamable-http
Install Calendesk in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.calendesk.com
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs