nisebookings for ChatGPT

com.nisebookings/booking

Operate a nisebookings account: catalogue, staff schedules, free slots, customers, appointments

client:ChatGPT transport:streamable-http

Install nisebookings in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://app.nisebookings.com/api/mcp

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