Unity MCP Server

What is Unity MCP Server?

It is an MCP (Model Context Protocol) server that integrates Unity with Claude, enabling users to manage Unity projects, create scripts, and build projects through natural language commands.

How to use Unity MCP Server?

After installing dependencies via npm install, add the server configuration to your Claude Desktop config JSON (command: node, args pointing to index.js). Then invoke tools such as unity_list_projects, unity_create_project, unity_open_project, unity_create_script, and unity_build_project directly in Claude.

Key features of Unity MCP Server

• unity_list_projects – list all Unity projects in a directory
• unity_create_project – create a new Unity project
• unity_open_project – open an existing Unity project
• unity_list_installed_versions – show all installed Unity versions
• unity_create_script – create C# scripts in Unity projects
• unity_build_project – build Unity projects

Use cases of Unity MCP Server

• List all Unity projects in a directory to find the right one
• Create a new Unity project with a name and path via Claude
• Open a specific Unity project by providing its path
• Generate C# scripts inside a Unity project without leaving the chat
• Build a Unity project and trigger the build process from Claude

FAQ from Unity MCP Server

Does the server work on Windows or Linux?

The README specifies macOS as the supported platform; for other platforms paths must be adjusted manually.

What are the prerequisites for using Unity MCP Server?

You need Unity Hub installed, at least one Unity version installed, and macOS (with optional path adjustments for other operating systems).

How do I configure the server in Claude Desktop?

Add a JSON entry to your Claude Desktop config with "command": "node" and "args": ["/path/to/index.js"].

What commands are available after installation?

The server exposes six tools: unity_list_projects, unity_create_project, unity_open_project, unity_list_installed_versions, unity_create_script, and unity_build_project.

Does the server require Unity Editor to be running?

The README does not state that Unity Editor must be running, only that Unity Hub and at least one Unity version are installed.