What prerequisites are needed?
.NET 9.0 SDK or later for the server, and Unity 2022.3.19f1 or later for Unity client integration.
Unity MCP Server
@UnitySnippets
基本信息
关于 Unity MCP Server
Unity MCP server implementation
Unity MCP Server 配置
Unity MCP Server 工具
5Echoes a message back to the client
Returns information about the server
Lists all available tools
Processes JSON data and returns information about it
Simulates an operation on a Unity GameObject (move, rotate, scale, destroy)
概览
What is Unity MCP Server?
A lightweight Model Context Protocol (MCP) server designed to work with Unity applications. It provides a standardized way for Unity applications to interact with Large Language Models (LLMs) via stdio-based transport, built on the official MCP C# SDK.
How to use Unity MCP Server?
Clone the repository, build with dotnet build, and run with dotnet run. From Unity, launch the server as a subprocess and communicate over standard input/output. Use the included sample tools like Echo, GetServerInfo, ListTools, ProcessJsonData, and SimulateGameObjectOperation.
Key features of Unity MCP Server
- Cross-platform compatibility (Windows, macOS, Linux)
- Simple stdio-based transport for easy integration
- Sample Unity-specific tool implementations
- Built on the official MCP C# SDK
- Enhanced logging for debugging
Use cases of Unity MCP Server
- Testing Unity-LLM integration with a lightweight local server
- Prototyping tool calls from a Unity client to an LLM
- Building custom Unity editor tools that leverage model capabilities
- Demonstrating MCP concepts in a Unity development workflow
常见问题
What transport protocol does the server use?
It uses a simple stdio-based transport; the server communicates via standard input/output streams.
How can I add custom tools?
Create a new class with the `[McpServerToolType]` attribute and add methods with the `[McpServerTool]` attribute, then rebuild the server.
What sample tools are included?
Echo (echoes a message), GetServerInfo (returns server information), ListTools (lists all tools), ProcessJsonData (processes JSON data), and SimulateGameObjectOperation (simulates move, rotate, scale, destroy).
How do I run the server from Unity?
Launch the server as a subprocess with `dotnet` pointing to the built DLL, then send JSON tool requests via standard input and read responses from standard output.
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