Unity MCP

dev.shiranui-isuzu/unity-mcp · v4.4.2

Unity Editor automation for AI agents: scenes, prefabs, assets, shaders, Timeline, tests, builds.

Website Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add unity-mcp -e UNITY_MCP_STATE_DIR=<UNITY_MCP_STATE_DIR> -e UNITY_MCP_HOST=<UNITY_MCP_HOST> -- dnx IsuzuUnityCli --yes

claude_desktop_config.json

{
  "mcpServers": {
    "unity-mcp": {
      "command": "dnx",
      "args": [
        "IsuzuUnityCli",
        "--yes"
      ],
      "env": {
        "UNITY_MCP_STATE_DIR": "<UNITY_MCP_STATE_DIR>",
        "UNITY_MCP_HOST": "<UNITY_MCP_HOST>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "unity-mcp": {
      "command": "dnx",
      "args": [
        "IsuzuUnityCli",
        "--yes"
      ],
      "env": {
        "UNITY_MCP_STATE_DIR": "<UNITY_MCP_STATE_DIR>",
        "UNITY_MCP_HOST": "<UNITY_MCP_HOST>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "unity-mcp": {
      "type": "stdio",
      "command": "dnx",
      "args": [
        "IsuzuUnityCli",
        "--yes"
      ],
      "env": {
        "UNITY_MCP_STATE_DIR": "<UNITY_MCP_STATE_DIR>",
        "UNITY_MCP_HOST": "<UNITY_MCP_HOST>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`UNITY_MCP_STATE_DIR` Optional	Where the Editor writes its descriptors. Set this only when the default location cannot be reached, such as from WSL.
`UNITY_MCP_HOST` Optional	Replaces 127.0.0.1 in the descriptor endpoint, for reaching an Editor on the Windows host from WSL.

Details

Package	`[email protected]` (NUGET, stdio)
First published	17 Sep 2026
Last updated	17 Sep 2026
Registry name	`dev.shiranui-isuzu/unity-mcp`

More developer tools servers See all

Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

Pair it with live search

Agents that use Unity MCP often also need current facts. NestDaddy MCP gives your AI today's internet: web search, real-time breaking news and full page reading in one connector.

See NestDaddy MCP

For maintainers

[![NestDaddy MCP](https://nestdaddy.com/mcp/servers/dev-shiranui-isuzu-unity-mcp/badge.svg)](https://nestdaddy.com/mcp/servers/dev-shiranui-isuzu-unity-mcp)

Add the badge to your README. It turns green while your server passes our daily check. Listing details come from the official MCP registry; update them there.

Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.