Tipping Rules for ChatGPT

com.tippingrules/tipping-rules

Read-only travel tipping for 140 destinations: search, country rules, and tip calculator.

client:ChatGPT transport:streamable-http tools:3

Install Tipping Rules in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.tippingrules.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