eFon international call rates & VoIP for ChatGPT

com.efon/call-rates

International call & VoIP rates: per-minute prices to call 200+ countries, comparison, dialing help.

client:ChatGPT transport:streamable-http tools:3

Install eFon international call rates & VoIP in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://efon.com/mcp

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