EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker for ChatGPT

com.esimtao/mcp

Calculate travel data needs, check phone eSIM hardware & compare fair GB prices globally.

client:ChatGPT transport:streamable-http tools:6

Install EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://esimtao.com/api/mcp

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