Phone Number Validation API for ChatGPT

io.github.br0ski777/phone-validation

Validate phone numbers worldwide: carrier, line type, country, E.164. x402.

client:ChatGPT transport:sse

Install Phone Number Validation API in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://phone-validation.api.klymax402.com/mcp

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