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"

ProtonMail Bridge