Proton Bridge MCP runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 9 Oct 2026.
Read, organise and carefully-gated send for Proton Mail, without your mail leaving this machine.
What changed 1
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 18 August 2026. No other catalogue keeps this.
What the code does
We read the source, 7 d ago · rules ccca72095570
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
subprocess.run([sys.executable, "-m", "pip", "install", "--quiet",
with open(os.path.join(FONTS_DIR, fname), "rb") as f:
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
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Proton Bridge MCP — questions
Answers built from our own checks of this server.