SMS Validator API for ChatGPT
io.github.br0ski777/sms-validator
Validate SMS-capable phone numbers — mobile vs landline, E.164 format. x402 micropayment.
client:ChatGPT
transport:sse
Install SMS Validator API in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://sms-validator.api.klymax402.com/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs