numertel for ChatGPT

pl.numertel/numertel

Polish phone number lookup: who called, spam and scam checks, UKE DNO registry, CERT phishing stats

client:ChatGPT transport:streamable-http tools:7

Install numertel in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://numertel.pl/api/mcp

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