Reverse engineer anything with agents, from app behavior down to native binaries.
UnrealGenAISupport
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, Inworld…
Install: pip install fastmcp
Works with Claude Code · 673 GitHub stars
Install
$
pip install fastmcpInstall command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →Usage Examples:
MCP Example:
Claude spawning scene objects and controlling their transformations and materials, generating blueprints, functions, variables, adding components, running python scripts etc.
API Example:
A project called become human, where NPCs are OpenAI agentic instances. Built using this plugin.
Unreal Engine Generative AI Support Plugin:
Every month, hundreds of new AI models are released by various organizations, making it hard to keep up with the latest advancements.
The "Unreal Engine Generative AI Support Plugin" allows you to focus on game development without worrying about the LLM/GenAI integration layer.
Current Progress:
This plugin will continue to get updates with the latest features and models. Contributions are welcome. For production-ready alternatives with 200+ AI models, guaranteed stability, automated testing, and UE 5.1-5.7+ support, check out the pro plugins below. This free plugin covers many use cases (including the examples above) and you can use it for free, forever.
Pro Plugins on Fab.com
Gen AI Pro gpt-5.4 claude-opus-4-6 gemini-3.1-pro grok-4.1 o3-pro eleven_v3 Chat, Vision, Streaming, Realtime, Image Gen, TTS, Structured Output, Tool Use
Gen AI Pro China qwen3.5-plus kimi-k2.5 glm-5 seed-2-0 ernie-5.0 seedream-4 Worldwide support, Chat, Vision, Image Gen, TTS, Reasoning
GenAI Model Generator meshy-6 tripo-v2.5 hunyuan3d-v3.1 trellis-2 rodin-gen-2 Text-to-3D, Image-to-3D, Remesh, PBR Textures, Retexture, Auto-Rigging
Gen AI Llama Ollama vLLM LM Studio GGUF Jan LocalAI GPT-oss LLaVA Local LLMs inside your Unreal Engine game - no API keys needed
Free Plugin (This Repo) - LLM/GenAI API Support:
- OpenAI: Chat (
gpt-4.1,gpt-4.1-mini,o4-mini,o3,o3-pro), Structured Outputs - Anthropic Claude: Chat (
claude-4-latest,claude-3-7-sonnet,claude-3-5-sonnet,claude-3-5-haiku) - XAI Grok: Chat (
grok-3-latest,grok-3-mini-beta) - DeepSeek: Chat (
deepseek-chatV3.1), Reasoning (deepseek-reasoning-r1) - Local AI: unreal-ollama (MIT) -
gpt-oss,qwen3-vland more
Full Model List (200+ models across all plugins)
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