Claude Code worldwide eSIM — one eSIM for the whole world Resource/setup-guide
How to: Claude Code worldwide eSIM — one eSIM for the whole world setup-guide
Add worldwide eSIM — one eSIM for the whole world to Claude Code
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Run this in your project directory.
claude mcp add --transport http esim-catalog https://worldwideesim.com/wp-json/worldwideesim/mcp-
02
Restart your session so the server is picked up.
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setup-guide is surfaced wherever your client lets you attach context. It is context to attach, not an action to run.
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If it does not appear, check that worldwide eSIM — one eSIM for the whole world is connected and that you are looking at its resources rather than its tools.
Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs
Same resource, other clients
Read from the server itself, by connecting to it and calling resources/list on 28 October 2026.
A listing does not declare its resources, so asking is the only way to know them, and this
is what the server actually offers rather than what its listing claims. Names only are
stored; connect the server for each resource's type and contents.