Coplay Unity Plugin
Unity plugin for Coplay
What is Coplay Unity Plugin?
Coplay Unity Plugin is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to unity plugin for coplay
Unity plugin for Coplay
This server falls under the Developer Tools category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- Unity plugin for Coplay
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx coplay-unity-pluginConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use Coplay Unity Plugin
Coplay is an AI copilot for Unity that provides a natural language interface inside the Unity Editor, letting you create, modify, and manage game elements by describing what you want in plain English. The Unity plugin integrates with multiple leading AI models including OpenAI GPT-4.1, Google Gemini 2.5 Pro, Anthropic Claude, and xAI Grok 3, and it supports pipeline recording to capture and replay sequences of editor actions for repeatable workflows. Game developers use Coplay to generate scripts, debug errors in context, refactor prefabs, and automate repetitive Unity tasks without switching between tools or copying code to an external chat interface.
Prerequisites
- Unity 2022.3 or newer (including Unity 6000 series)
- Git installed (for Package Manager git URL support)
- A Coplay account (free to create at https://coplay.dev)
- Internet access for AI model API calls made through the Coplay service
- An MCP-compatible client if using the MCP integration mode (Claude Desktop, Cursor, etc.)
Open Unity Package Manager
In the Unity Editor, navigate to Window > Package Manager to open the package management window.
Add the Coplay package via git URL
Click the + button in the upper-left of the Package Manager window, select 'Add package from git URL...', and enter the Coplay repository URL. Unity will fetch and install the plugin automatically.
https://github.com/CoplayDev/coplay-unity-plugin.git#betaOpen the Coplay window
After installation, open the Coplay panel from the Unity menu bar using the keyboard shortcut or the menu item.
# Menu: Coplay > Toggle Window
# Keyboard shortcut:
# Windows/Linux: Ctrl+G
# macOS: Cmd+GLog in or create a Coplay account
When the Coplay window opens for the first time, click the Login button. A browser window will open where you can sign in or create a new account at https://coplay.dev.
Select your preferred AI model and start using Coplay
In the Coplay panel, select the AI model you want to use (GPT-4.1, Gemini 2.5 Pro, Claude, or Grok 3), then type natural language commands to interact with your Unity project.
Coplay Unity Plugin Examples
Client configuration
If using Coplay through an external MCP client configuration alongside the Unity plugin, the package is installed via Unity Package Manager rather than a command-line server.
{
"mcpServers": {
"coplay-unity-plugin": {
"command": "npx",
"args": ["coplay-unity-plugin"]
}
}
}Prompts to try
Natural language commands to use inside the Coplay Unity panel to control your game project.
- "Create a new empty GameObject called PlayerController and add a Rigidbody component"
- "Write a C# script that makes this object rotate 360 degrees over 2 seconds"
- "The camera isn't following the player — debug why and fix the CameraFollow script"
- "Add a point light to every tree prefab in the scene"
- "Record a pipeline: duplicate this prefab, rename it EnemyVariant, and change its material to Red"
- "What errors are in the console and how should I fix them?"Troubleshooting Coplay Unity Plugin
Package Manager fails to install with a git error or network timeout
Ensure Git is installed and accessible from the command line (run `git --version` in your terminal). Unity's Package Manager uses the system Git binary. If you are behind a corporate proxy, configure Git proxy settings with `git config --global http.proxy <proxy-url>`.
Coplay window shows a blank screen or login fails to open a browser
Check your internet connection and firewall settings, as Coplay requires access to https://coplay.dev for authentication. On Linux, ensure xdg-open or your default browser handler is configured correctly. Try manually navigating to https://coplay.dev to log in and copy the auth token.
AI responses are slow or model requests fail
Response times depend on the selected AI model and network conditions. Check the Coplay status page at https://coplay.dev for any service outages. Try switching to a different model in the Coplay panel settings. If the issue persists, check your Coplay account plan for rate limits.
Frequently Asked Questions about Coplay Unity Plugin
What is Coplay Unity Plugin?
Coplay Unity Plugin is a Model Context Protocol (MCP) server that unity plugin for coplay It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Coplay Unity Plugin?
Follow the installation instructions on the Coplay Unity Plugin GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with Coplay Unity Plugin?
Coplay Unity Plugin works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Coplay Unity Plugin free to use?
Yes, Coplay Unity Plugin is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
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Set Up Coplay Unity Plugin in Your Editor
Choose your AI client for step-by-step setup instructions.
Quick Config Preview
Add this to your claude_desktop_config.json or .cursor/mcp.json
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