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Guides selection between UGUI and UI Toolkit for projects. Use when choosing UI framework or migrating UI systems.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
Based on SOC occupation classification
每 5 分钟自动审查一次当前未提交的代码变更（git diff），在当前会话期间循环执行。 会话结束或 Claude 进程被终止时循环自动失效（session-only，不写入磁盘、不跨会话残留）。 当用户说“定时审查代码 / 每5分钟审查一次 / 开始审查循环 / 停止审查循环”时激活。
Use this skill when implementing complex programming tasks that benefit from multi-agent collaboration. This skill coordinates a Master LLM (orchestrator) with specialized agents (Requirements Agent, Code Agent, Review Agent) to deliver high-quality software through a structured development workflow.
这个skill专门用于监控GitHub上的热门AI项目，获取项目的简述信息和不同时间范围的更新状态。当用户需要了解GitHub AI项目动态时使用此skill。通过智能分析项目的活跃度、星标增长、提交频率等指标，为用户提供AI领域最具潜力和活跃度的开源项目洞察。
Analyzes scenes for performance bottlenecks (draw calls, batching, textures, GameObjects). Use when optimizing scenes or investigating performance issues.
Validates C# scripts for best practices, performance, and Unity patterns. Use when reviewing scripts or checking code quality.
Generates production-ready C# script templates (MonoBehaviour, ScriptableObject, Editor, tests). Use when creating new scripts or setting up project structure.
| name | Unity UI System Selector |
| description | Guides selection between UGUI and UI Toolkit for projects. Use when choosing UI framework or migrating UI systems. |
Helps you choose the appropriate UI system for your Unity project and provides implementation guidance for both UGUI and UI Toolkit.
UGUI (Legacy) - GameObject-based (2014). Mature, works on all Unity versions, large community. Weaker: Complex UI performance, limited styling, no live reload.
UI Toolkit (Modern) - Retained mode, web-inspired UXML/USS (2021.2+). Better performance, live reload, data-binding. Weaker: Requires 2021.2+, smaller community, limited 3D world-space UI.
Use UGUI if:
Use UI Toolkit if:
When in doubt: For new projects on Unity 2021.2+, UI Toolkit is recommended.
| Feature | UGUI | UI Toolkit |
|---|---|---|
| Version | 4.6+ | 2021.2+ |
| Performance | Simple UIs | All UIs |
| Styling | Inspector | CSS-like USS |
| Layout | Manual/Groups | Flexbox-like |
| Editor Tools | Good | Excellent |
| Runtime UI | Excellent | Good |
| 3D World UI | Excellent | Limited |
See migration-guide.md for UGUI → UI Toolkit migration strategy (3-4 months for medium projects).
| Unity Version | UGUI | UI Toolkit (Editor) | UI Toolkit (Runtime) |
|---|---|---|---|
| 2019.4 LTS | ✅ Full | ✅ Basic | ❌ No |
| 2020.3 LTS | ✅ Full | ✅ Good | ⚠️ Experimental |
| 2021.3 LTS | ✅ Full | ✅ Excellent | ✅ Production |
| 2022.3 LTS+ | ✅ Full | ✅ Primary | ✅ Full |
Use this Skill when: Choosing between UGUI and UI Toolkit, understanding UI system trade-offs, or planning UI migration
Use @unity-scripter agent when: Implementing UI components, writing custom UI scripts, or converting UI code
Use @unity-architect agent when: Designing complex UI architecture, planning UI data flow, or structuring large-scale UI systems
Use /unity:new-script command when: Generating Editor scripts with UI Toolkit or UGUI templates
