Alexendros Proton Mail

Name: Alexendros Proton Mail MCP Server
Author: Alexendros

stdio

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

Getting Started

npx @getmcp/cli add io.github.Alexendros/proton-mail-mcp

Requires Node.js 18+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

PROTON_USERNAME
Bridge username (your Proton Mail address).
PROTON_PASSWORD
Bridge-generated app password (NOT your Proton account password).

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.Alexendros/proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp"
      ],
      "env": {
        "PROTON_BRIDGE_HOST": "",
        "PROTON_IMAP_PORT": "",
        "PROTON_SMTP_PORT": "",
        "PROTON_USERNAME": "",
        "PROTON_PASSWORD": ""
      }
    }
  }
}

Claude Desktop MCP documentation