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Unity-MCP
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.
3.1kstars
291forks
C#
aiai-integrationanthropicclaudeclaude-codeclaude-desktopclicopilotcursorgame-developmentgamedevgemini
Quality signals
ActiveNo testsNo CIThin docsNo licensePopular
AI summary
Auto-generated overview of what this skill does and when to reach for it.
Turn any Unity C# method into an AI-accessible tool and run AI agents inside your game for dynamic NPC behavior or debugging.
Use this when
- Debugging game logic with AI in real-time
- Generating new game mechanics via AI agents
- Adding AI NPCs that respond dynamically during gameplay
- Automating repetitive Unity Editor tasks with AI
- Testing game code with AI-driven test cases
Don't use when
- For non-Unity projects (use general MCP tools instead)
- When you need offline-only AI without network access
- For simple 2D games without AI requirements
Capabilities
- Expose any C# method as an MCP tool with one line
- Run AI agents inside compiled Unity games for real-time interaction
- Auto-generate AI skills based on project setup and plugins
- Support multiple AI providers (Claude, OpenAI, etc.) without vendor lock-in
- Enable natural language debugging of game code
- Provide CLI for quick Unity project setup and plugin installation
InstallSKILLInstall as a Claude Code skill
Universal installANY TOOL
$ npx skillcity@latest IvanMurzak/Unity-MCPAuto-detects the skill or MCP server in this repo and installs it for Claude Code, Codex, Cursor or Cline.
Requires Node.js 18+ (ships with npx).
Or install manually
# Install into ~/.claude/skills/ mkdir -p ~/.claude/skills/unity-mcp curl -fsSL https://raw.githubusercontent.com/IvanMurzak/Unity-MCP/main/SKILL.md -o ~/.claude/skills/unity-mcp/SKILL.md
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