Unity’s in-Editor MCP server connected external AI clients, including Claude Code and Cursor, to the Unity Editor through the Model Context Protocol. Clients could discover and invoke tools for working with scenes, assets, scripts, and console output, and developers could register custom tools. Unity’s documentation describes client approval controls and support for multiple clients. Unity has deprecated this server in the AI Assistant package; the Unity CLI now provides a separate MCP server for connecting agents to Unity.
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