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Protonmail MCP Server

Source

This MCP server provides email sending functionality using Protonmail's SMTP service. It allows both Claude Desktop and Cline VSCode extension to send emails on your behalf using your Protonmail credentials.

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Overview

Protonmail MCP Server is a server that provides email sending functionality using Protonmail's SMTP service, allowing users to send emails through applications like Claude Desktop and Cline VSCode extension using their Protonmail credentials.

To use the Protonmail MCP Server, configure it with your Protonmail SMTP credentials and use the send_email tool to send emails.

  • Send emails to multiple recipients - Support for CC and BCC recipients - Plain text and HTML email content support - Comprehensive error handling and logging
  1. Sending automated emails from applications.
  2. Integrating email functionality into development environments.
  3. Facilitating communication through coding projects.

Add to your AI client

Use these steps to connect Protonmail MCP Server in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "protonmail-mcp-amotivv": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-protonmail-mcp-amotivv"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "protonmail-mcp-amotivv": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-protonmail-mcp-amotivv"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "protonmail-mcp-amotivv": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-protonmail-mcp-amotivv"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "protonmail-mcp-amotivv": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-protonmail-mcp-amotivv"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "protonmail-mcp-amotivv": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-protonmail-mcp-amotivv"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "protonmail-mcp-amotivv": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-protonmail-mcp-amotivv"
      ]
    }
  }
}

FAQ

**What credentials do I need?**

You need your Protonmail email address and SMTP password.

**Is there support for HTML emails?**

Yes, the server supports both plain text and HTML content.

**How do I troubleshoot issues?**

Check your SMTP credentials, firewall settings, and review error logs for any issues.

Communication