UEAgent MCP Server

by carlxsmg Your server? Claim it

local only

UEAgent runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 27 Oct 2026.

MCP server for Unreal Engine 5, built into the editor: Blueprints, materials, levels, Niagara, PCG.

—

Installs / week

not published

Stars

0 open issues

27 Oct 2026

Last commit

from GitHub

MIT

License

C++

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.

Builds a file path from a variable Tools/_paths.py:28

    return os.path.join(REPORT_DIR, name)

Runs an external command Tools/package_release.py:75, Tools/catalog_server.py:680

    return subprocess.run(["git", "-C", str(ROOT), *args], capture_output=True, check=True).stdout

Long encoded blob in source Resources/ContractTests/refuse_vectors.json:2753

      "asset_name": "/Game/MyGame/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA…

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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UEAgent — questions

Answers built from our own checks of this server.

Why is there no uptime for UEAgent?

UEAgent runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.

Is UEAgent open source?

Yes — it is published under the MIT licence, written in C++ and 2 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.