Reaper Daemon runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 16 Sep 2026.
REAPER MCP server: let Claude read your session, set FX, write automation and measure mix moves.
What the code does
We read the source, 19 h ago · rules 3dff92dd89df
A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.
proc = subprocess.run(
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(["taskkill", "/F", "/T", "/PID", str(pid)],
path = os.path.join(proj_dir, path)
env = dict(os.environ if base is None else base)
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
A tool parameter here reaches a dangerous call
That is not a flaw by itself — but it is where things go wrong when it is not the job. We re-read this code on every release. Watch it and you hear from us the day another one appears.
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Reaper Daemon — questions
Answers built from our own checks of this server.