Unreal Engine MCP Plugin

Overview

Built a plugin-based MCP (Model Context Protocol) for natural-language CRUD operations on Unreal Engine objects. Designed asynchronous processing, many-to-many connectivity, and dynamic tool registration for an interface between AI and the game engine.

Demo

Actor Spawning Spawning actors via MCP

Material Control Creating metallic sphere and controlling materials

Blueprint Scripting Blueprint visual scripting

Physics Control Physics property control

Technical Challenges

Implementing an MCP server that fits Unreal Engine's plugin architecture
Designing a protocol to deliver real-time game engine context to AI
Designing an interface usable from both C++ and Blueprints

Tech Stack

Engine: Unreal Engine 5
Language: C++, Python
Protocol: MCP (Model Context Protocol)