Inbox eSIM for ChatGPT

com.inboxesim/esim

Travel eSIMs for 200+ countries: compare 100+ eSIM brands' prices and buy a plan (MPP, Stripe).

client:ChatGPT transport:streamable-http tools:5

Install Inbox eSIM in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://inboxesim.com/mcp

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