Ringler for ChatGPT
io.ringler/ringler
A phone for your agent: gets a real person on the line, runs errands by phone, leaves messages.
client:ChatGPT
transport:streamable-http
tools:18
Install Ringler in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://ringler.io/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs