Unity-MCP acts as a bridge between large language models (LLMs) and Unity, providing an interface for AI to understand and manipulate Unity tools. It supports connecting popular AI clients, like Claude Desktop or Cursor, through an integrated window. Developers can create custom tools and expose Unity functionalities, enabling AI to perform tasks such as creating game objects, modifying assets, and managing scenes. While currently limited to the Unity Editor, the system is designed for extensibility, allowing the addition of custom tools and future integration into player builds. It enhances productivity by automating complex workflows and enabling AI-assisted development in Unity projects.