Unreal MCP, developed by Chir24, is an MCP server tool that enables AI assistants to control Unreal Engine. Built with TypeScript and C++, it functions as an AI agents skill for AI coding assistants. This free program connects directly to Unreal Engine, offering a bridge for AI clients to interact with game development processes. It supports various transport protocols and is compatible with several known AI clients, making it a versatile option for integrating AI into game creation workflows.

What does Unreal MCP connect to?

Unreal MCP establishes a direct connection with Unreal Engine, serving as a Model Context Protocol (MCP) server. This integration positions it as an essential AI agents skill specifically designed for AI coding assistants. Its core purpose is to bridge the communication gap, allowing external AI systems to interact and issue commands within the Unreal Engine environment. This setup ensures that AI can directly influence and manage aspects of game development.

Core features and tools

Unreal MCP exposes a singular, callable tool named unreal gateway tool, accessible through both its TypeScript stdio transport and the native MCP transport. This tool forms the primary interface for AI interaction. It supports Streamable HTTP/SSE for the native MCP transport and WebSocket via a TypeScript bridge for communication. Compatibility extends to AI clients such as Claude Code, Codex CLI, ChatGPT, Cursor, and Copilot, alongside any other MCP-aware agent, ensuring broad integration possibilities for AI-driven development.

Who is it for?

Unreal MCP targets game developers seeking to integrate AI capabilities into their development workflows and users of AI coding assistants. It provides a structured method for AI to interact directly with the Unreal Engine environment, enhancing productivity and enabling new automation possibilities. The program is specifically designed for those who want their AI agents to take an active role in game creation and modification. Skip this if you do not use AI coding assistants for game development.

How to get started

The server authenticates using a Capability Token Auth model, which is enabled by default in versions 0.5.30 and later. This involves either a manually configured CapabilityToken within Unreal Engine's Project Settings or an automatically generated 32-byte secret token.

Use cases

• Enabling AI assistants to control Unreal Engine, including spawning actors and editing levels.
• Automating the authoring of Blueprints and managing assets within Unreal Engine projects.
• Allowing AI to edit and compile C++ code, and capture screenshots directly from the engine.

Unreal MCP offers a direct bridge for AI assistants to interact with and control Unreal Engine, serving as a specialized MCP server. Chir24's free tool enables AI to perform various development tasks, from level editing to C++ compilation. Its support for multiple transport protocols and AI clients makes it an adaptable solution for modern game development.