unreal-engine MCP Setup & Guide

{
  "id": "io.github.ChiR24/unreal-engine-mcp",
  "type": "mcp-server",
  "version": "0.6.0-beta-c",
  "displayName": "unreal-engine-mcp",
  "description": "Automate the Unreal Editor (UE 5.0-5.8): levels, Blueprints, UI, materials, VFX and more.",
  "repository": {
    "url": "https://github.com/ChiR24/Unreal_mcp.git",
    "source": "github"
  },
  "distribution": {
    "packages": [
      {
        "registryType": "npm",
        "identifier": "unreal-engine-mcp-server",
        "version": "0.6.0-beta-c",
        "transport": "stdio",
        "environmentVariables": [
          {
            "name": "UE_PROJECT_PATH",
            "description": "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.",
            "isRequired": true
          },
          {
            "name": "MCP_AUTOMATION_CAPABILITY_TOKEN",
            "description": "Capability token to present to the editor. Only needed when the server cannot read the project folder, for example over LAN.",
            "isSecret": true
          },
          {
            "name": "MCP_AUTOMATION_PORT",
            "description": "Editor WebSocket port. Default: the first Listen Ports entry in the project settings, else 8090."
          },
          {
            "name": "MCP_AUTOMATION_HOST",
            "description": "Editor host to connect to. A LAN address also needs MCP_AUTOMATION_ALLOW_NON_LOOPBACK=true and Allow Non Loopback in the plugin settings."
          },
          {
            "name": "MCP_AUTOMATION_ALLOW_NON_LOOPBACK",
            "description": "SECURITY: allow a non-loopback MCP_AUTOMATION_HOST. Enable only on a trusted network."
          },
          {
            "name": "MCP_AUTOMATION_USE_TLS",
            "description": "Connect with wss:// instead of ws://."
          },
          {
            "name": "MCP_ADDITIONAL_PATH_PREFIXES",
            "description": "Extra content roots to allow besides /Game, /Engine, /Script, /Temp and /Niagara, comma-separated. Example: /MyPluginContent/"
          },
          {
            "name": "MCP_CONNECTION_TIMEOUT_MS",
            "description": "How long to wait for the editor connection, in milliseconds."
          },
          {
            "name": "MCP_REQUEST_TIMEOUT_MS",
            "description": "Overrides every per-capability request timeout, in milliseconds. Leave unset: each capability gets a budget that fits its cost."
          },
          {
            "name": "MCP_AUTOMATION_MAX_MESSAGES_PER_MINUTE",
            "description": "Inbound messages per minute from the editor before the server disconnects."
          },
          {
            "name": "LOG_LEVEL",
            "description": "Log level. Logs go to stderr."
          }
        ]
      }
    ],
    "remotes": []
  },
  "dependencies": [],
  "installTargets": [
    "claude-code",
    "claude-desktop",
    "cursor",
    "vscode",
    "trae",
    "cherry-studio",
    "lingma",
    "windsurf",
    "cline",
    "workbuddy"
  ],
  "keywords": [],
  "provenance": {
    "origin": "official-mcp-registry",
    "originalId": "io.github.ChiR24/unreal-engine-mcp",
    "originalUrl": "https://registry.modelcontextprotocol.io/v0.1/servers/io.github.ChiR24%2Funreal-engine-mcp/versions/latest",
    "isOfficial": true,
    "status": "active"
  }
}