Proton Bridge Email MCP Server

A Model Context Protocol (MCP) server that provides secure email functionality via Proton Bridge.

Purpose

This MCP server provides a secure interface for AI assistants to read and send emails through ProtonMail using Proton Bridge. It connects to your local Proton Bridge installation to access your encrypted emails.

Features

Current Implementation

• read_recent_emails - Fetch recent emails from any folder with configurable count
• search_emails - Search emails by subject/body content with IMAP queries
• send_email - Send emails with support for CC/BCC recipients
• list_folders - Display all available email folders in your mailbox
• get_email_stats - Get statistics about email counts (total, unread, recent)

Prerequisites

• Docker Desktop with MCP Toolkit enabled
• Docker MCP CLI plugin (docker mcp command)
• Proton Bridge installed and running locally
• Valid ProtonMail account with Bridge credentials

Installation

See the step-by-step instructions provided with the files.

Usage Examples

In Claude Desktop, you can ask:

• "Show me my 5 most recent emails"
• "Search for emails about 'meeting' in my inbox"
• "Send an email to john@example.com about tomorrow's meeting"
• "What folders do I have in my email?"
• "Give me statistics about my inbox"
• "Read emails from my Sent folder"

Architecture