Upsalt Booking for ChatGPT

io.github.everyways/upsalt-booking

Search Upsalt venues, check availability, and book, view, or cancel a reservation.

client:ChatGPT transport:streamable-http tools:5

Install Upsalt Booking in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://ai.upsalt.io/mcp/booking

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