How do I install unreal-engine-mcp?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is unreal-engine-mcp official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 47 (Fair). The formula is published on the methodology page.

MCPpedia

unreal-engine-mcp MCP Server | MCPpedia

unreal-engine-mcp MCP Server

Name: unreal-engine-mcp MCP Server
Author: chir24

EngineWire: drive the Unreal Editor (UE 5.0-5.8): levels, Blueprints, UI, materials, VFX and more.

Tools Versions Alternatives

RegistryRemotechir24

47Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "chir24-unreal-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "unreal-engine-mcp-server@0.6.0-beta-f"
      ],
      "env": {
        "UE_PROJECT_PATH": "",
        "MCP_AUTOMATION_CAPABILITY_TOKEN": "YOUR_MCP_AUTOMATION_CAPABILITY_TOKEN",
        "MCP_AUTOMATION_PORT": "",
        "MCP_AUTOMATION_HOST": "127.0.0.1",
        "MCP_AUTOMATION_ALLOW_NON_LOOPBACK": "false",
        "MCP_AUTOMATION_USE_TLS": "false",
        "MCP_ADDITIONAL_PATH_PREFIXES": "",
        "MCP_CONNECTION_TIMEOUT_MS": "5000",
        "MCP_REQUEST_TIMEOUT_MS": "",
        "MCP_AUTOMATION_MAX_MESSAGES_PER_MINUTE": "600",
        "LOG_LEVEL": "info"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
UE_PROJECT_PATH	Yes	Your 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_TOKEN	No	Capability token to present to the editor. Only needed when the server cannot read the project folder, for example over LAN. Secret.
MCP_AUTOMATION_PORT	No	Editor WebSocket port. Default: the first Listen Ports entry in the project settings, else 8090.
MCP_AUTOMATION_HOST	No	Editor host to connect to. A LAN address also needs MCP_AUTOMATION_ALLOW_NON_LOOPBACK=true and Allow Non Loopback in the plugin settings.
MCP_AUTOMATION_ALLOW_NON_LOOPBACK	No	SECURITY: allow a non-loopback MCP_AUTOMATION_HOST. Enable only on a trusted network.
MCP_AUTOMATION_USE_TLS	No	Connect with wss:// instead of ws://.
MCP_ADDITIONAL_PATH_PREFIXES	No	Extra content roots to allow besides /Game, /Engine, /Script, /Temp and /Niagara, comma-separated. Example: /MyPluginContent/
MCP_CONNECTION_TIMEOUT_MS	No	How long to wait for the editor connection, in milliseconds.
MCP_REQUEST_TIMEOUT_MS	No	Overrides every per-capability request timeout, in milliseconds. Leave unset: each capability gets a budget that fits its cost.
MCP_AUTOMATION_MAX_MESSAGES_PER_MINUTE	No	Inbound messages per minute from the editor before the server disconnects.
LOG_LEVEL	No	Log level. Logs go to stderr.

unreal-engine-mcp MCP Server

Install

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