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mcp/harbor
Cursor

proton workflow connector for Cursor

io.github.ntrpydev/proton-workflow-connector

Unofficial self-hosted MCP connector for Proton Mail Bridge and SimpleLogin.

client:Cursor transport:stdio runtime:pypi

Install proton workflow connector in Cursor

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "proton-workflow-connector": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "proton-workflow-connector"
      ],
      "env": {
        "PROTON_BRIDGE_USERNAME": "<PROTON_BRIDGE_USERNAME>",
        "PROTON_BRIDGE_PASSWORD": "<PROTON_BRIDGE_PASSWORD>",
        "PROTON_BRIDGE_EMAIL": "<PROTON_BRIDGE_EMAIL>",
        "SIMPLELOGIN_API_KEY": "<SIMPLELOGIN_API_KEY>"
      }
    }
  }
}

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

proton workflow connector in other clients

proton workflow connector MCP server