---
title: "swiftui-pro by twostraws · skilld"
canonical_url: "https://skilld.dev/gh/twostraws/swiftui-agent-skill"
last_updated: "2026-09-23T06:43:45.055Z"
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description: "Audits SwiftUI code against modern APIs, accessibility standards, data flow patterns, and performance best practices. Checks for deprecated APIs, suboptimal view… From twostraws/swiftui-agent-skill."
"og:description": "Audits SwiftUI code against modern APIs, accessibility standards, data flow patterns, and performance best practices. Checks for deprecated APIs, suboptimal view… From twostraws/swiftui-agent-skill."
"og:title": "swiftui-pro by twostraws"
"twitter:description": "Audits SwiftUI code against modern APIs, accessibility standards, data flow patterns, and performance best practices. Checks for deprecated APIs, suboptimal view… From twostraws/swiftui-agent-skill."
"twitter:title": "swiftui-pro by twostraws"
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`
[All skills](https://skilld.dev/skills)
[](https://skilld.dev/gh/twostraws)
# **/swiftui-pro**
by [Paul Hudson](https://skilld.dev/gh/twostraws)· [twostraws](https://skilld.dev/gh/twostraws)/ [swiftui-agent-skill](https://skilld.dev/gh/twostraws/swiftui-agent-skill)·4.8k stars 174
Comprehensively reviews SwiftUI code for best practices on modern APIs, maintainability, and performance. Use when reading, writing, or reviewing SwiftUI projects.
[GitHub](https://github.com/twostraws/SwiftUI-Agent-Skill/blob/be297ff80dddec529af1f9b1f1f114aab6c9d11c/swiftui-pro/SKILL.md "View SKILL.md on GitHub") Updated 5 months ago 1 warning
## Skill content
[Raw](https://skilld.dev/api/skills-raw/twostraws/swiftui-agent-skill/swiftui-pro)
Review Swift and SwiftUI code for correctness, modern API usage, and adherence to project conventions. Report only genuine problems - do not nitpick or invent issues.
Review process:
1. Check for deprecated API using `references/api.md`.
2. Check that views, modifiers, and animations have been written optimally using `references/views.md`.
3. Validate that data flow is configured correctly using `references/data.md`.
4. Ensure navigation is updated and performant using `references/navigation.md`.
5. Ensure the code uses designs that are accessible and compliant with Apple’s Human Interface Guidelines using `references/design.md`.
6. Validate accessibility compliance including Dynamic Type, VoiceOver, and Reduce Motion using `references/accessibility.md`.
7. Ensure the code is able to run efficiently using `references/performance.md`.
8. Quick validation of Swift code using `references/swift.md`.
9. Final code hygiene check using `references/hygiene.md`.
If doing a partial review, load only the relevant reference files.
### Core Instructions
- iOS 26 exists, and is the default deployment target for new apps.
- Target Swift 6.2 or later, using modern Swift concurrency.
- As a SwiftUI developer, the user will want to avoid UIKit unless requested.
- Do not introduce third-party frameworks without asking first.
- Break different types up into different Swift files rather than placing multiple structs, classes, or enums into a single file.
- Use a consistent project structure, with folder layout determined by app features.
### Output Format
Organize findings by file. For each issue:
1. State the file and relevant line(s).
2. Name the rule being violated (e.g., "Use `foregroundStyle()` instead of `foregroundColor()`").
3. Show a brief before/after code fix.
Skip files with no issues. End with a prioritized summary of the most impactful changes to make first.
Example output:
#### ContentView.swift
**Line 12: Use `foregroundStyle()` instead of `foregroundColor()`.**
```
// Before
Text("Hello").foregroundColor(.red)
// After
Text("Hello").foregroundStyle(.red)
```
**Line 24: Icon-only button is bad for VoiceOver - add a text label.**
```
// Before
Button(action: addUser) {
Image(systemName: "plus")
}
// After
Button("Add User", systemImage: "plus", action: addUser)
```
**Line 31: Avoid `Binding(get:set:)` in view body - use `@State` with `onChange()` instead.**
```
// Before
TextField("Username", text: Binding(
get: { model.username },
set: { model.username = $0; model.save() }
))
// After
TextField("Username", text: $model.username)
.onChange(of: model.username) {
model.save()
}
```
#### Summary
1. **Accessibility (high):** The add button on line 24 is invisible to VoiceOver.
2. **Deprecated API (medium):** `foregroundColor()` on line 12 should be `foregroundStyle()`.
3. **Data flow (medium):** The manual binding on line 31 is fragile and harder to maintain.
End of example.
### References
- `references/accessibility.md` - Dynamic Type, VoiceOver, Reduce Motion, and other accessibility requirements.
- `references/api.md` - updating code for modern API, and the deprecated code it replaces.
- `references/design.md` - guidance for building accessible apps that meet Apple’s Human Interface Guidelines.
- `references/hygiene.md` - making code compile cleanly and be maintainable in the long term.
- `references/navigation.md` - navigation using `NavigationStack`/ `NavigationSplitView`, plus alerts, confirmation dialogs, and sheets.
- `references/performance.md` - optimizing SwiftUI code for maximum performance.
- `references/data.md` - data flow, shared state, and property wrappers.
- `references/swift.md` - tips on writing modern Swift code, including using Swift Concurrency effectively.
- `references/views.md` - view structure, composition, and animation.
Source: [SKILL.md on GitHub](https://github.com/twostraws/SwiftUI-Agent-Skill/blob/be297ff80dddec529af1f9b1f1f114aab6c9d11c/swiftui-pro/SKILL.md)
## What it does
Audits SwiftUI code against modern APIs, accessibility standards, data flow patterns, and performance best practices. Checks for deprecated APIs, suboptimal view composition, incorrect state management, navigation issues, and VoiceOver compliance across iOS 26 and Swift 6.2 codebases.
Generated from the current SKILL.md.
## Frequently asked
Does this skill review UIKit code?
No. The skill is designed for SwiftUI code and avoids UIKit unless explicitly requested by the developer.
What Swift version does this target?
Swift 6.2 or later, with emphasis on modern Swift concurrency patterns.
Does this check for deprecated APIs?
Yes. It validates code against a reference of deprecated SwiftUI and Swift APIs, recommending modern replacements like \`foregroundStyle()\` instead of \`foregroundColor()\`.
Will this skill suggest third-party frameworks?
No. The skill avoids introducing third-party dependencies without first asking the developer.
Does this cover accessibility requirements?
Yes. It validates Dynamic Type, VoiceOver support, Reduce Motion compliance, and adherence to Apple's Human Interface Guidelines.
Generated from the current SKILL.md. These answers refresh after source changes.
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