Skip to content
mcp/harbor
Cursor

Proton Safe MCP for Cursor

io.github.fbossiere/proton-safe-mcp

Read Proton Mail, extract bounded attachment text, and create explicitly confirmed drafts.

client:Cursor transport:stdio runtime:pypi

Install Proton Safe 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-safe-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "proton-safe-mcp"
      ],
      "env": {
        "PROTON_BRIDGE_USER": "<PROTON_BRIDGE_USER>",
        "PROTON_IMAP_PORT": "<PROTON_IMAP_PORT>"
      }
    }
  }
}

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

Proton Safe MCP in other clients

Proton Safe MCP MCP server