DaySchedule for ChatGPT

com.dayschedule/mcp

Appointment scheduling: check availability, book, reschedule and cancel meetings, manage events.

client:ChatGPT transport:streamable-http

Install DaySchedule in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.dayschedule.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs