io.github.NtrpyDev/proton-workflow-connector

io.github.NtrpyDev/proton-workflow-connector

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

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Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "proton-workflow-connector": {
      "command": "uvx",
      "args": [
        "proton-workflow-connector"
      ],
      "env": {
        "PROTON_BRIDGE_USERNAME": "<your PROTON_BRIDGE_USERNAME>",
        "PROTON_BRIDGE_PASSWORD": "<your PROTON_BRIDGE_PASSWORD>",
        "PROTON_BRIDGE_EMAIL": "<your PROTON_BRIDGE_EMAIL>",
        "SIMPLELOGIN_API_KEY": "<your SIMPLELOGIN_API_KEY>"
      }
    }
  }
}
Environment variables
  • PROTON_BRIDGE_USERNAMErequiredBridge IMAP/SMTP username (from the Bridge app)
  • PROTON_BRIDGE_PASSWORDrequiredsecretBridge-generated password (never your Proton account password)
  • PROTON_BRIDGE_EMAILrequiredPrimary Proton address served by Bridge
  • SIMPLELOGIN_API_KEYsecretSimpleLogin API key; omit to disable alias tools

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.3.0
Registry
active
Published
7/2/2026

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