ratebook for Cursor

io.github.cbetz/ratebook

Open MCP server for US electricity tariffs: real rate lookup, bill estimates, and when to charge.

client:Cursor transport:stdio runtime:pypi

Install ratebook in Cursor

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

{
  "mcpServers": {
    "ratebook": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "ratebook-mcp"
      ]
    }
  }
}

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