SaveOnPhone — Cell Phone Plan Comparison for ChatGPT

com.saveonphone/cell-phone-plan-comparison

Search U.S. cell plans, compare supported costs, find wireless news, and get switching guidance.

client:ChatGPT transport:streamable-http

Install SaveOnPhone — Cell Phone Plan Comparison in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://saveonphone.com/mcp

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