sethbang/proton-mail-mcp

What it does

This is an MCP (Model Context Protocol) server that integrates Proton Mail with AI assistants like Claude. It provides programmatic access to Proton Mail functionality through SMTP and IMAP protocols via Proton Mail Bridge, allowing AI tools to manage your email without direct API access.

Key features

• Send and read emails through AI assistants
• Search and filter email messages
• Organize emails into folders and labels
• Bulk email operations with dry-run preview mode
• Read-only mode for safe exploration
• Configurable trash-by-default deletion behavior
• Works with Proton Mail Bridge for secure local access

How to set up

Installation requires: (1) Install Proton Mail Bridge on your system and configure it with your Proton Mail account, (2) Clone or install the proton-mail-mcp server from the GitHub repository, (3) Configure your MCP client (Claude, etc.) to connect to the server using the provided configuration, (4) Test connections by sending a simple email command to verify setup.

Note: This is an unofficial tool not affiliated with Proton AG. Users should review security implications of running local mail servers and understand MCP protocol limitations.