Untap for ChatGPT

io.github.aneduaim/untap-mcp

UK refunds inside your AI assistant: train delays, flights, TfL, parking. Made in London.

client:ChatGPT transport:streamable-http

Install Untap in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://untap.money/api/mcp

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