Phone Format Check for ChatGPT

io.github.dawaxwx/phone-format-check

Offline phone number validation and formatting at the edge: E.164/national/international formats,...

client:ChatGPT transport:streamable-http

Install Phone Format Check in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://phone-format-check.david-cyr.workers.dev/mcp

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