Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Travel eSIMs for 193 countries. Stripe + Bitcoin checkout. QR by email in 30s. No API key. Install: npx -y @worldcitisim/mcp-esim.
World train-route atlas for AI assistants — search 744 notable train routes (high-speed, scenic, night trains) and get facts and geometry for each. Hosted at https://trainrouter.com/mcp (Streamable HTTP, no auth); data CC BY 4.0.