ALT eSIM is a Model Context Protocol (MCP) server: Search & buy travel data eSIMs for 70+ destinations — pay by Stripe link, get the eSIM QR. USD. As an MCP server it plugs straight into AI assistants, exposing its functionality as tools the model can invoke on your behalf.
It's a hosted (remote) server — point your client at https://altesim.com/api/mcp and you're connected, with nothing to install locally. The current release is v0.41.2.
You'll find ALT eSIM in the Finance category here on mcp.site; it connects to Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and any other MCP client — see the install snippets below. If you maintain ALT eSIM for altesim.com, claim this listing to verify ownership, earn the Verified badge, and keep the details current.