# Swiftui Best Practices > SwiftUI best practices for behavior, structure, and performance. Use when designing or reviewing SwiftUI views, state management, layout decisions, animations, or performance tuning; when unsure how to model state vs dependencies; when avoiding conditional view pitfalls; or when optimizing diffing, ForEach identity, and rendering costs. Use when this capability is needed. - Skill: `tomevault-io/swiftui-best-practices` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/swiftui-best-practices` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/swiftui-best-practices/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: AI & ML - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/swiftui-best-practices --- # SwiftUI Best Practices ## Overview Concise guardrails and checklists for writing correct, maintainable, and performant SwiftUI. Use the cheatsheets below, and open per-theme references for detail: `references/behavior.md`, `references/structure.md`, `references/performance.md`. ## Reference - Behavior: `references/behavior.md` - Structure: `references/structure.md` - Performance: `references/performance.md` --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/ertembiyik) — claim your Tome and manage your conversions.