Cypher eSIM for Cursor

com.cypheresim/esim

Buy no-KYC travel eSIMs and eSIMs with a real phone number in 180+ countries, paid in crypto.

client:Cursor transport:streamable-http tools:9

Install Cypher eSIM in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "esim": {
      "url": "https://cypheresim.com/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs