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Unreal Engine Generative AI Support Plugin MCP Server

Unreal Engine plugin for LLM/GenAI models & MCP UE5 server. OpenAI GPT-5, Deepseek R1, Claude Opus/Sonnet, Gemini 3, Grok 4, Alibaba Qwen, Kimi

Local serverstdioPython

What is the Unreal Engine Generative AI Support Plugin MCP Server?

Unreal Engine plugin for LLM/GenAI models & MCP UE5 server. OpenAI GPT-5, Deepseek R1, Claude Opus/Sonnet, Gemini 3, Grok 4, Alibaba Qwen, Kimi, ElevenLabs TTS

The short version

Every month, hundreds of new AI models are released by various organizations, making it hard to keep up with the latest advancements.

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Maintainer setup documentation.

How to install the Unreal Engine Generative AI Support Plugin MCP Server

{
    "mcpServers": {
      "unreal-handshake": {
        "command": "python",
        "args": ["<your_project_directoy_path>/Plugins/GenerativeAISupport/Content/Python/mcp_server.py"],
        "env": {
          "UNREAL_HOST": "localhost",
          "UNREAL_PORT": "9877" 
        }
      }
    }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
UNREAL_HOSTEndpoint or connection string the server talks to.Optional
UNREAL_PORTConfiguration value read at startup.Optional

Example prompts to try

  • “Use Unreal Engine Generative AI Support Plugin to OpenAI.”
  • “Use Unreal Engine Generative AI Support Plugin to DeepSeek.”

Frequently asked questions

Set an environment variable using the format `PS_<ORGNAME>`, for example `PS_OPENAIAPIKEY` for OpenAI. This must be done before starting the Editor and any connected IDE.

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