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    SwiftUI Modernity Assistant

    3

    Ship SwiftUI that feels native — modern state, navigation, layout, and accessibility baked in from the first generated line.

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    SwiftUI Modernity Assistant

    SwiftUI Modernity Assistant

    Example session with this skill installed

    I'm migrating our task-manager app's UI layer and the code our assistant generated last sprint looks dated. Can you review all the SwiftUI files under Sources/Features/Tasks/ against current Apple guidance? Specifically, TaskListView.swift still uses NavigationView, TaskStore.swift is an ObservableObject with duplicated filtered state, and several custom cards are tappable via onTapGesture with no accessibility labels. Refactor them to the modern @Observable and NavigationStack patterns, keep behavior identical, and give me a summary of what changed and anything you deliberately left alone with the reason.

    • Read your context and instructions
    • Compiled the swiftui modernity assistant

    Summary

    Reviewed 14 SwiftUI files in Sources/Features/Tasks/ against current Apple guidance. Modernized navigation and shared state, removed duplicated derived data, and restored VoiceOver access to two custom controls. Behavior unchanged.

    Refactors Applied

    MetricBeforeAfter
    Navigation APINavigationView + tag linksNavigationStack(path:) + typed Route enum
    Shared modelObservableObject + @Published@Observable class, @Bindable in editor
    Derived state@State filteredItems copycomputed property, one source of truth
    Row identityForEach(0..<count, id: \\.self)Identifiable items, stable IDs
    Custom cardsbare onTapGestureButton content with label + .isButton trait

    Key change

    @State private var path: [Route] = []

NavigationStack(path: $path) {
    TaskListView()
        .navigationDestination(for: Route.self) { route in
            switch route {
            case .detail(let id): TaskDetailView(itemID: id)
            case .settings: SettingsView()
            }
        }
}

    Next steps

    • Profile TaskList scroll with Instruments before caching any derived work.
    • Replace remaining fixed .frame(width:height:) buttons with .controlSize(.large).
    • Run a VoiceOver pass at AX5 Dynamic Type on the editor sheet.

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    About this skill

    The problem

    SwiftUI apps often suffer from deprecated navigation patterns, inefficient state management that triggers unnecessary re-renders, and poor accessibility. Developers frequently struggle to keep up with modern Apple APIs like @Observable and NavigationStack.

    What it does

    • Generates modern SwiftUI views using @Observable and NavigationStack instead of deprecated legacy patterns.
    • Optimizes view performance by keeping state close to consumers and preventing heavy computation inside body properties.
    • Implements native accessibility by default, ensuring controls have proper labels, traits, and VoiceOver behavior.
    • Refactors older SwiftUI code into clean, maintainable hierarchies using @ViewBuilder and custom modifiers.

    Frameworks & tools

    Swift, SwiftUI, Observation framework, SwiftData, and Apple SDKs for iOS, macOS, iPadOS, watchOS, and visionOS.

    Why this beats prompting it yourself

    Standard LLMs often fallback to 2019-era SwiftUI patterns like NavigationView and ObservableObject. This skill enforces strict modernity, ensuring your code uses the latest Swift concurrency, observation macros, and layout protocols without manual correction.

    Use cases

    • Modernizing legacy SwiftUI views to use the @Observable macro.
    • Building complex navigation flows with type-safe NavigationStack paths.
    • Debugging scroll performance and layout bottlenecks in deep view trees.
    • Ensuring all UI components meet Apple's Human Interface Guidelines for accessibility.

    Targets modern @Observable/NavigationStack APIs, so iOS 14-16 codebases need the legacy fallbacks noted inline. It guides correctness and structure but cannot profile runtime performance for you — ambiguous claims still need Instruments.

    How to use

    1. 1

      Connect your agent to the Agensi MCP

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    2. 2

      Sign in to Agensi

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    3. 3

      Ask for what you need

      Your agent loads this skill and uses it on your task. It always asks before any payment.

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    8 uses

    Times used to date

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    Trust & safety

    Security scan

    Security scan passed 1 month ago

    Permissions

    Read Files
    Write Files

    File Scopes

    **/*.swift

    Needs read and edit access to your Swift source files to review and refactor SwiftUI code; no network access or secrets required.

    Listed1 month ago
    Updated22 days ago

    What's inside

    Frequently Asked Questions

    This skill is specifically tuned to bypass legacy patterns like NavigationView and ObservableObject, instead enforcing the latest Apple standards such as the @Observable macro and NavigationStack for cleaner, more performant code.

    It supports all modern Apple platforms including iOS, macOS, iPadOS, watchOS, and visionOS, ensuring the code follows the specific Human Interface Guidelines for each.

    Yes, the assistant is designed to ingest your existing legacy SwiftUI code and refactor it into modern, high-performance architectures using Swift concurrency and current layout protocols.

    The skill includes native accessibility integration by default, automatically generating appropriate VoiceOver labels, traits, and accessibility actions for your UI components.

    This skill is a digital configuration for your AI agent; once purchased, you can instantly activate it within your workspace to start generating or auditing SwiftUI code.

    Our team frequently updates the skill's logic to align with Apple's latest WWDC announcements and Swift evolution proposals, ensuring your code never falls behind the current API standards.

    A single SKILL.md guidance file. Drop it into your agent's skills directory (or paste it into your project rules) and it activates automatically whenever the agent works on SwiftUI code.

    No. It is pure code guidance — the agent only needs your .swift source files. Nothing calls Apple services, and no build or signing is involved.

    No. The guidance explicitly says do not invent APIs and to keep compatibility fallbacks (e.g. ObservableObject when an older deployment target requires it), so refactors stay safe for your minimum OS version.

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