AdYour product here, seen by people installing AI tools every day

unreal-engine-mcp

Community

MCP server by ChiR24 · updated · ★ 959 · 675 downloads a week

Score 87

EngineWire: drive the Unreal Editor (UE 5.0-5.8): levels, Blueprints, UI, materials, VFX and more. unreal-engine-mcp is a community project by ChiR24, not verified by a company domain.

Yours? Claim it

Install unreal-engine-mcp

Built from the published package, never by AI
claude mcp add unreal-engine-mcp -e UE_PROJECT_PATH="C:/Users/YourName/Documents/Unreal Projects/MyGame" -- npx -y unreal-engine-mcp-server

Run in your terminal. Add --scope user to use it in every project.

Step-by-step: install unreal-engine-mcp in Claude Code

MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the unreal-engine-mcp block.

Maintenance

Last commit 4 days ago

Licence

MIT: permissive, fine for commercial use

Quality

Clear description, published package or server URL, 959 stars, original repository

Security

No risky patterns in the files we checked

What you need

SettingNeededWhat it is
UE_PROJECT_PATHEnvironment variableRequiredYour Unreal project folder or its .uproject file. The server reads the capability token from <project>/Saved/MCP/capability-token and the WebSocket port from the project settings.
MCP_AUTOMATION_CAPABILITY_TOKENEnvironment variable, secretOptionalCapability token to present to the editor. Only needed when the server cannot read the project folder, for example over LAN.
MCP_AUTOMATION_PORTEnvironment variableOptionalEditor WebSocket port. Default: the first Listen Ports entry in the project settings, else 8090.
MCP_AUTOMATION_HOSTEnvironment variableOptionalEditor host to connect to. A LAN address also needs MCP_AUTOMATION_ALLOW_NON_LOOPBACK=true and Allow Non Loopback in the plugin settings. Default: 127.0.0.1
MCP_AUTOMATION_ALLOW_NON_LOOPBACKEnvironment variableOptionalSECURITY: allow a non-loopback MCP_AUTOMATION_HOST. Enable only on a trusted network. Default: false
MCP_AUTOMATION_USE_TLSEnvironment variableOptionalConnect with wss:// instead of ws://. Default: false
MCP_ADDITIONAL_PATH_PREFIXESEnvironment variableOptionalExtra content roots to allow besides /Game, /Engine, /Script, /Temp and /Niagara, comma-separated. Example: /MyPluginContent/
MCP_CONNECTION_TIMEOUT_MSEnvironment variableOptionalHow long to wait for the editor connection, in milliseconds. Default: 5000
MCP_REQUEST_TIMEOUT_MSEnvironment variableOptionalOverrides every per-capability request timeout, in milliseconds. Leave unset: each capability gets a budget that fits its cost.
MCP_AUTOMATION_MAX_MESSAGES_PER_MINUTEEnvironment variableOptionalInbound messages per minute from the editor before the server disconnects. Default: 600
LOG_LEVELEnvironment variableOptionalLog level. Logs go to stderr. Default: info

From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.

Weekly newsletter

Like unreal-engine-mcp? Get the best new MCP servers every week

The best new tools, security warnings before you install something risky, and one practical tip. Free, three minute read.

No spam. Unsubscribe in one click. Privacy

Security check

A

No download-and-run commands, hidden instructions or signs of sending keys out were found.

Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work

Alternatives to unreal-engine-mcp

All alternatives →

unreal-engine-mcp: common questions

How do I install unreal-engine-mcp?

In Claude Code run claude mcp add unreal-engine-mcp -e UE_PROJECT_PATH="C:/Users/YourName/Documents/Unreal Projects/MyGame" -- npx -y unreal-engine-mcp-server. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.

Is unreal-engine-mcp the official server?

unreal-engine-mcp is a community project by ChiR24, not verified by a company domain.

Is unreal-engine-mcp free?

The code is published under the MIT licence. The service it connects to may have its own pricing.

Is unreal-engine-mcp safe to use?

It scores 87 of 100. Grades: maintenance A, licence A, quality A. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.

What are alternatives to unreal-engine-mcp?

Similar MCP servers: Jitsu, Oh My Posh Validator, World Monitor, mcp.

Does unreal-engine-mcp work with ChatGPT?

Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.

Add to stack

Loading.