worldwide eSIM — one eSIM for the whole world for ChatGPT

com.worldwideesim/esim-catalog

One travel eSIM for 98 countries: live quotes by continent and GB, country check and a buy link.

client:ChatGPT transport:streamable-http tools:7

Install worldwide eSIM — one eSIM for the whole world in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://worldwideesim.com/wp-json/worldwideesim/mcp

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