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mcp/harbor
Cursor

proton mail mcp for Cursor

io.github.alexendros/proton-mail-mcp

Proton Mail MCP via Bridge (IMAP/SMTP) · 13 tools · dual transport stdio + HTTP.

client:Cursor transport:stdio runtime:npm

Install proton mail mcp 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-mail-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp"
      ],
      "env": {
        "PROTON_BRIDGE_HOST": "<PROTON_BRIDGE_HOST>",
        "PROTON_IMAP_PORT": "<PROTON_IMAP_PORT>",
        "PROTON_SMTP_PORT": "<PROTON_SMTP_PORT>",
        "PROTON_USERNAME": "<PROTON_USERNAME>",
        "PROTON_PASSWORD": "<PROTON_PASSWORD>"
      }
    }
  }
}

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

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