LeapCal for ChatGPT

io.github.pdelchev/leapcal

Booking infrastructure for AI agents — distributed locking, trust scores, tamper-proof receipts.

client:ChatGPT transport:streamable-http

Install LeapCal in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://leapcal.com/mcp

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