Is unreal-mcp-ue4 safe?
UE4.27-first MCP server for controlling the Unreal Editor through Unreal Python Remote Execution.
This server can change things — files, a browser, a database, or paid online services. Limit what it can reach.
Why: writes or deletes files.
What it can do
- Writes or deletes files
How to use it safely
- ✓ Point it at one project folder, never your home directory or a whole drive.
- ✓ Pin the version (below) so an update can't change what it does without you noticing.
Code patterns worth reviewing
Automated pattern matches in the published package. Some are expected for this kind of server, and some may be false positives — they are pointers for review, not confirmed vulnerabilities.
Unsafe dynamic code execution (eval/Function)
The agent appears to evaluate dynamically constructed code (eval, new Function, or similar).
dist/utils.js:5
Install it pinned
{
"mcpServers": {
"unreal-mcp-ue4": {
"command": "npx",
"args": ["-y", "unreal-mcp-ue4@2026.5.12-3"]
}
}
}Check your whole MCP setup
Agent Verify checks the servers in your Claude, Cursor and VS Code config — including whole-drive access and keys stored in plain text.
Maintain unreal-mcp-ue4?
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[](https://aimodularity.com/agentverify/mcp/unreal-mcp-ue4/)
Agent Verify reads the package published on npm as text — it is never installed or run. Ratings describe capability, not intent, and are an automated, evidence-based check, not a guarantee. Scanner 2.0.0.