Top UNREAL GitHub Repositories & Tools (2026)

Engineering Software Factory - open source, self-hosted, local AI first

Project AirSim is Microsoft's evolution of AirSim, an advanced simulation platform for building, training, and testing autonomous systems in high-fidelity virtual environments

The missing pieces for Unreal's PCG. Graph theory, advanced pathfinding, spatial ops, filtering, asset management, and more.

Complete Unreal Engine development toolkit exposed as MCP tools.

A comprehensive Model Context Protocol (MCP) server that enables AI assistants to control Unreal Engine through the native C++ Automation Bridge plugin. Built with TypeScript and C++.

A collection of utilities for creating rhythm games in Unity, Unreal, Godot, MonoGame, Love2D, and more.

Open-source AI agent that operates the Unreal Editor — levels, blueprints, materials, C++.