Stay Otter for ChatGPT

com.stayotter/stay-otter

Verified stays with receipts: live totals from Booking.com, Vrbo and Expedia, checked on the map.

client:ChatGPT transport:streamable-http tools:5

Install Stay Otter in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://stayotter.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