Universal File Opener CLI runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 2 Nov 2026.
Inspect files, extract content and make guarded edits locally. Linux x86_64, glibc 2.35+.
What the code does
We read the source, 6 d ago · rules 995398eba69f
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.
const result = spawnSync(invocation.binary, invocation.args, { stdio: 'inherit' })
process = subprocess.Popen(
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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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Universal File Opener CLI — questions
Answers built from our own checks of this server.