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Rocuronium MCP Server

local only

Rocuronium runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 18 Oct 2026.

Drive macOS apps without taking the cursor: read, click, type, scroll, each with evidence.

—
Installs / week
not published
4
Stars
0 open issues
18 Oct 2026
Last commit
from GitHub
MIT
License
Swift

What the code does

We read the source, 5 d ago · rules 995398eba69f

Capabilities

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.

        let plist = NSHomeDirectory() + "/Library/LaunchAgents/glass.kagerou.rocuronium.plist"
Builds a database query by concatenation Rocuronium/Presence/JellyKit.swift:97
            return CGPoint(x: origin.x + s + l.x * 0.9, y: origin.y + drop + l.y * 0.9)
Runs an external command Scripts/local-install.py:21
    return subprocess.run([str(arg) for arg in args], check=True, cwd=ROOT, **kwargs)
Touches key and credential files Rocuronium/Core/Session/AgentSessionLink.swift:36
    static var privateKey: URL { directory.appending(path: "id_ed25519") }

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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Rocuronium — questions

Answers built from our own checks of this server.

Why is there no uptime for Rocuronium?
Rocuronium runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.
Is Rocuronium open source?
Yes — it is published under the MIT licence, written in Swift and 4 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.