What Is the Licensing for Unity MCP?

Unity MCP is released under the MIT License, which permits unrestricted use, modification, and distribution of the software provided the copyright notice and permission notice are included in all copies.

Unity MCP is an open-source bridge that enables AI assistants to control the Unity Editor via the Model Context Protocol (MCP). Understanding the licensing for Unity MCP is essential for developers who want to integrate this tool into their workflows or distribute modified versions. The project is hosted in the CoplayDev/unity-mcp repository and explicitly adopts the permissive MIT License to encourage widespread adoption and contribution.

Understanding the MIT License for Unity MCP

The MIT License is a permissive free software license that places minimal restrictions on reuse. This makes it ideal for game development tools like Unity MCP, where developers need flexibility to integrate code into proprietary projects.

Permissions and Rights Granted

According to the LICENSE file at the root of the repository, the MIT License grants anyone the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the software. You can incorporate Unity MCP into commercial games, internal tools, or redistributed packages without seeking additional permission from the authors.

Limitations and Warranty Disclaimer

The license disclaims all warranties and limits liability for the authors. The software is provided "as is" without warranty of any kind, and the authors are not liable for any claims or damages arising from its use. This protects CoplayDev while allowing community freedom to build upon the codebase.

Where to Find the Unity MCP License Files

Several files in the repository contain licensing information to ensure transparency and compliance.

Root LICENSE File

The primary legal text resides in the LICENSE file at the repository root. This file contains the full MIT license text, including the copyright notice for CoplayDev and the year 2025.

Unity Package Manifest

The Unity-specific side of the project declares its license in MCPForUnity/package.json. This JSON file explicitly sets "license": "MIT", making it clear to Unity Package Manager users what terms apply to the distributed code.

README Documentation

The README.md file provides an overview of the project and points developers to the licensing information. This serves as the first point of contact for users discovering the repository and its terms of use.

How to Comply with Unity MCP Licensing Requirements

While the MIT License imposes minimal requirements, proper attribution ensures compliance and respects the original authors' work.

Adding License Headers to Source Files

When creating new files based on Unity MCP code, include a header referencing the MIT License:

// Example: Adding a license header to a new C# file

// -------------------------------------------------
// Unity MCP – MIT License
// © 2025 CoplayDev
// See the LICENSE file at the root of the repository for details.

Declaring the License in Package Manifests

If you redistribute Unity MCP or derivative works through Unity Package Manager, explicitly state the license in your package.json:

{
  "name": "com.coplaydev.unity-mcp",
  "version": "1.0.0",
  "displayName": "Unity MCP",
  "description": "Bridge that lets AI assistants control the Unity Editor via MCP.",
  "license": "MIT",
  "author": {
    "name": "CoplayDev",
    "url": "https://github.com/CoplayDev"
  }
}

Summary

• Unity MCP licensing follows the MIT License, a permissive open-source license that allows commercial and private use with minimal restrictions.
• The full license text is located in the LICENSE file at the repository root, with additional references in MCPForUnity/package.json and README.md.
• You must include the original copyright notice and permission notice in all copies or substantial portions of the software.
• The license grants rights to use, copy, modify, merge, publish, distribute, sublicense, and sell, while disclaiming warranties and limiting liability for the authors.

Frequently Asked Questions

What license does Unity MCP use?

Unity MCP uses the MIT License. This permissive license allows you to freely use, modify, and distribute the code for both open-source and proprietary projects, provided you include the original copyright notice and license text as found in the repository's LICENSE file.

Can I use Unity MCP in commercial projects?

Yes, the MIT License explicitly permits commercial use. You can incorporate Unity MCP into commercial games, internal development tools, or paid assets without paying royalties or seeking additional permissions from CoplayDev, as long as you preserve the copyright notice.

Do I need to include the license text in my application?

Yes, the MIT License requires that you include the copyright notice and permission notice in all copies or substantial portions of the software. This typically means including the LICENSE file content in your documentation or about section, or preserving headers in source code files derived from the project.

Where is the license information located in the repository?

The primary license text is in the LICENSE file at the repository root. You can also find the license declaration in MCPForUnity/package.json under the "license" field, and references to licensing in the README.md file according to the CoplayDev/unity-mcp source code.

{
  "mcpServers": {
    "instagit": {
      "command": "npx",
      "args": ["-y", "instagit@latest"]
    }
  }
}