A free, open-source Model Context Protocol server that lets AI assistants read, search, and send email in a Protonmail inbox through Protonmail Bridge. Local, private, and yours. Free.
Protonmail MCP bridges your assistant to Protonmail Bridge so your AI can act on real mail instead of guessing about it.
Pull messages, search threads, and let your assistant summarize what landed in your inbox.
Compose and send messages straight from your assistant, grounded in your real account.
Mail flows through Protonmail Bridge on your machine. Nothing routes through a third-party server.
Built on Model Context Protocol, so any MCP-aware assistant connects cleanly.
The full source is public. Read it, audit it, and extend it as you like.
The server runs on your own hardware next to Protonmail Bridge.
Setup walkthrough and demo media coming soon. The GitHub releases page has install steps and configuration notes.
A running Protonmail Bridge install linked to your Proton account.
Any Model Context Protocol client that can connect to a local MCP server.
A standard desktop environment to run the server next to Bridge.
Yes. It is free and open source. If it helps you, you can support the project through the donation link on this page.
Yes. The server talks to Protonmail Bridge, which handles the secure connection to your Proton account on your machine.
Your mail flows through Bridge on your own hardware. The MCP server runs locally and does not route your messages through any outside service.
Any Model Context Protocol client. Point your MCP-aware assistant at the local server and it can read, search, and send mail.
Download Protonmail MCP free and connect your AI assistant to your Protonmail through Protonmail Bridge. Built by Jag Journey, LLC.
Built by Jag Journey, LLC
