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Unity MCP Server

Unity MCP Server is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Make 3D games in Unity Engine with AI. MCP Server… It has 4,531 GitHub stars, is released under the Apache-2.0 license and runs locally with docker run -i --rm -e UNITY_MCP_PORT -e UNITY_MCP_PLUGIN_TIMEOUT -e UNITY_MCP_CLIENT_TRANSPORT docker.io/ivanmurzakdev/unity-mcp-server:0.17.1.

github.com/IvanMurzak/Unity-MCP (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

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Install Unity MCP Server

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "unity-mcp-server": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "UNITY_MCP_PORT",
        "-e",
        "UNITY_MCP_PLUGIN_TIMEOUT",
        "-e",
        "UNITY_MCP_CLIENT_TRANSPORT",
        "docker.io/ivanmurzakdev/unity-mcp-server:0.17.1"
      ],
      "env": {
        "UNITY_MCP_PORT": "your-value",
        "UNITY_MCP_PLUGIN_TIMEOUT": "your-value",
        "UNITY_MCP_CLIENT_TRANSPORT": "your-value"
      }
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --env UNITY_MCP_PORT=your-value --env UNITY_MCP_PLUGIN_TIMEOUT=your-value --env UNITY_MCP_CLIENT_TRANSPORT=your-value --transport stdio unity-mcp-server -- docker run -i --rm -e UNITY_MCP_PORT -e UNITY_MCP_PLUGIN_TIMEOUT -e UNITY_MCP_CLIENT_TRANSPORT docker.io/ivanmurzakdev/unity-mcp-server:0.17.1

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "unity-mcp-server": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "UNITY_MCP_PORT",
        "-e",
        "UNITY_MCP_PLUGIN_TIMEOUT",
        "-e",
        "UNITY_MCP_CLIENT_TRANSPORT",
        "docker.io/ivanmurzakdev/unity-mcp-server:0.17.1"
      ],
      "env": {
        "UNITY_MCP_PORT": "your-value",
        "UNITY_MCP_PLUGIN_TIMEOUT": "your-value",
        "UNITY_MCP_CLIENT_TRANSPORT": "your-value"
      }
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "unity-mcp-server": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "UNITY_MCP_PORT",
        "-e",
        "UNITY_MCP_PLUGIN_TIMEOUT",
        "-e",
        "UNITY_MCP_CLIENT_TRANSPORT",
        "docker.io/ivanmurzakdev/unity-mcp-server:0.17.1"
      ],
      "env": {
        "UNITY_MCP_PORT": "your-value",
        "UNITY_MCP_PLUGIN_TIMEOUT": "your-value",
        "UNITY_MCP_CLIENT_TRANSPORT": "your-value"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
UNITY_MCP_PORTNoClient -> Server <- Plugin connection port (default: 8080)
UNITY_MCP_PLUGIN_TIMEOUTNoPlugin -> Server connection timeout (ms) (default: 10000)
UNITY_MCP_CLIENT_TRANSPORTNoClient -> Server transport type: stdio or http (default: http)

About Unity MCP Server

Make 3D games in Unity Engine with AI. MCP Server + Plugin for Unity Editor and Unity games. AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.

  • ai
  • ai-integration
  • game-development
  • mcp
  • mcp-server
  • unity
  • claude
  • claude-code
  • claude-desktop
  • copilot

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FAQ

Unity MCP Server FAQ

Still curious? Email info@appsgit.com.

How do I install the Unity MCP Server MCP server?

Add the command docker run -i --rm -e UNITY_MCP_PORT -e UNITY_MCP_PLUGIN_TIMEOUT -e UNITY_MCP_CLIENT_TRANSPORT docker.io/ivanmurzakdev/unity-mcp-server:0.17.1 to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Unity MCP Server free?

The server is open source under the Apache-2.0 license, so running it is free. It does not declare any required API key.

Is Unity MCP Server actively maintained?

The most recent commit was on Oct 26, 2026. The latest release is 1.5.0, published Oct 24, 2026. appsgit only lists MCP servers with a commit in the last six months.