Proton Mail Mcp

MCP server · by Alexendros

Communication npm v0.1.2

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

View source ↗ Generate config for multiple servers More servers

Install

Pin version registry version 0.1.2

npm
npx -y @alexendros/proton-mail-mcp

npm
npx -y @alexendros/proton-mail-mcp@0.1.2

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp"
      ],
      "env": {
        "PROTON_USERNAME": "<YOUR_PROTON_USERNAME>",
        "PROTON_PASSWORD": "<YOUR_PROTON_PASSWORD>"
      }
    }
  }
}

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp@0.1.2"
      ],
      "env": {
        "PROTON_USERNAME": "<YOUR_PROTON_USERNAME>",
        "PROTON_PASSWORD": "<YOUR_PROTON_PASSWORD>"
      }
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env PROTON_USERNAME=<YOUR_PROTON_USERNAME> --env PROTON_PASSWORD=<YOUR_PROTON_PASSWORD> proton-mail-mcp -- npx -y @alexendros/proton-mail-mcp

claude mcp add --env PROTON_USERNAME=<YOUR_PROTON_USERNAME> --env PROTON_PASSWORD=<YOUR_PROTON_PASSWORD> proton-mail-mcp -- npx -y @alexendros/proton-mail-mcp@0.1.2

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp"
      ],
      "env": {
        "PROTON_USERNAME": "<YOUR_PROTON_USERNAME>",
        "PROTON_PASSWORD": "<YOUR_PROTON_PASSWORD>"
      }
    }
  }
}

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp@0.1.2"
      ],
      "env": {
        "PROTON_USERNAME": "<YOUR_PROTON_USERNAME>",
        "PROTON_PASSWORD": "<YOUR_PROTON_PASSWORD>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp"
      ],
      "env": {
        "PROTON_USERNAME": "<YOUR_PROTON_USERNAME>",
        "PROTON_PASSWORD": "<YOUR_PROTON_PASSWORD>"
      }
    }
  }
}

{
  "servers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp@0.1.2"
      ],
      "env": {
        "PROTON_USERNAME": "<YOUR_PROTON_USERNAME>",
        "PROTON_PASSWORD": "<YOUR_PROTON_PASSWORD>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp"
      ],
      "env": {
        "PROTON_USERNAME": "<YOUR_PROTON_USERNAME>",
        "PROTON_PASSWORD": "<YOUR_PROTON_PASSWORD>"
      }
    }
  }
}

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alexendros/proton-mail-mcp@0.1.2"
      ],
      "env": {
        "PROTON_USERNAME": "<YOUR_PROTON_USERNAME>",
        "PROTON_PASSWORD": "<YOUR_PROTON_PASSWORD>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

PROTON_BRIDGE_HOST — Hostname or IP of the Proton Mail Bridge (default: 127.0.0.1 for local, or container hostname in compose).
PROTON_IMAP_PORT — IMAP port exposed by Proton Mail Bridge (default: 1143).
PROTON_SMTP_PORT — SMTP port exposed by Proton Mail Bridge (default: 1025).
PROTON_USERNAME required — Bridge username (your Proton Mail address).
PROTON_PASSWORD required secret — Bridge-generated app password (NOT your Proton account password).

GitHub

最近更新于 29 天前 · AGPL-3.0 license

About this server

Proton Suite Agent Propósito de este documento Objetivos: Orientar el pulso del repo, el quickstart y el enrutado a los documentos canónicos. Estructura: Ficha → pulso → mapa de lectura → instalación, tools, agente, calidad. Contenido a integrar según contexto: Stack TypeScript/MCP, frontera Bridge…

Summary from the project README — github.com/Alexendros/proton-mail-mcp

Distributed as npm, listed under Communication. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Proton Mail Mcp MCP server do?

How do I install Proton Mail Mcp?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Proton Mail Mcp free to use?

The MCP server itself is free to install. The source is public on https://github.com/Alexendros/proton-mail-mcp. Any third-party service it calls may require its own API key and account.

Which clients support Proton Mail Mcp?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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