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Unity Developer Tools MCP Server

A Model Context Protocol server providing Unity development tools for the Cursor IDE.

Tools

scaffold_script

Generate well-structured C# scripts following Unity conventions. - type: monobehaviour, scriptableobject, editor-window, custom-inspector, property-drawer, interface, state-machine, test - name: Class name for the generated script - namespace: Optional namespace (default: MyGame)

lookup_api

Search the Unity API reference database for classes, methods, and usage patterns. - query: Search term (class name, method name, or keyword) - category: Optional filter (physics, ui, animation, audio, rendering, input, networking, editor)

shader_helper

Get shader code patterns and property setups for common effects. - effect: Effect name (dissolve, outline, toon, water, hologram, fresnel) - pipeline: Target render pipeline (urp, hdrp, builtin)

platform_info

Get platform-specific scripting defines, capabilities, and build recommendations. - platform: Target platform (windows, macos, linux, android, ios, webgl, ps5, xbox, switch)

Running

The server is started automatically by Cursor via the configuration in .cursor/mcp.json.

Manual start: 

pip install -r requirements.txt
python server.py

Data Files

  • unity_api_common.json - Common Unity API reference (200+ classes and methods)
  • shader_properties.json - Built-in shader properties and effect patterns
  • platform_defines.json - Platform scripting defines and capabilities
  • lifecycle_order.json - MonoBehaviour execution order reference
  • deprecated_patterns.json - Legacy-to-modern API mapping