Unity Script Validator
Validates Unity C# scripts against best practices and performance patterns specific to Unity game development.
What This Skill Checks
- Field declarations:
[SerializeField] privateinstead of public fields - Component caching: GetComponent in Awake/Start, not Update (~100x faster)
- String operations: StringBuilder for frequent concatenation
- GameObject.Find: Cache references, avoid in Update (O(n) operation)
- Code organization: #region directives, consistent ordering
- XML documentation:
<summary>tags on public methods - Update vs FixedUpdate: Appropriate usage for physics/non-physics
- Coroutines: Prefer for intermittent tasks over Update
Provides: Issues found, specific fixes, performance impact estimates, refactored code examples.
Compatibility
Applies to Unity 2019.4 LTS and later (including Unity 6).
See patterns.md and examples.md for detailed optimization techniques.
When to Use vs Other Components
Use this Skill when: Quick validation of existing Unity scripts for best practices and common issues
Use @unity-scripter agent when: Writing new code or implementing Unity features from scratch
Use @unity-refactor agent when: Improving code quality, applying design patterns, or modernizing legacy code
Use @unity-performance agent when: Deep performance profiling, memory optimization, or platform-specific tuning
Use /unity:new-script command when: Creating new scripts from production-ready templates
Related Skills
- unity-scene-optimizer: For scene-level performance analysis
- unity-template-generator: For generating validated script templates
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