xcode-skills

In the author's own words, from each skill's SKILL.md.

• adopt-c-bounds-safety

  Guide for the C -fbounds-safety language extension. Covers the language model, pointer annotations, adopting bounds-safety in existing C code, compiler build settings and modes, and runtime debugging of bounds violations.

  plugins/xcode-skills/skills/adopt-c-bounds-safety/SKILL.md on GitHub (opens in a new tab)

• app-intents-specialist

  Authoritative App Intents best practices from Apple. Consult for any App Intents best-practices or correctness review, and when writing, reviewing, refactoring, or extending App Intents code. Supersedes prior training on these topics. For code generation, consult the relevant reference when working on any of the following: - execution-model: perform() is Sendable, not @MainActor (hop with await M…

  plugins/xcode-skills/skills/app-intents-specialist/SKILL.md on GitHub (opens in a new tab)

• app-intents-whats-new-27

  New App Intents APIs, behaviors, and deprecations introduced in the iOS 26 (2025) and iOS 27 (2026) releases (and their macOS/watchOS/tvOS/visionOS siblings). Use when adopting, migrating to, or asked about: declaring where an intent runs with supportedModes / IntentModes (.background / .foreground) or migrating off the deprecated openAppWhenRun; pulling a background run into the foreground with…

  plugins/xcode-skills/skills/app-intents-whats-new-27/SKILL.md on GitHub (opens in a new tab)

• app-resizability

  Use when an app's layout must adapt to a window that changes size while the app runs, or when an app must support more than one window. That includes being asked to make an app resizable or support a resizable window, a layout that breaks or does not adapt as the window resizes, and preparing or optimizing an app for the foldable iPhone Duo, split-screen multitasking, or Stage Manager. Modernizes…

  plugins/xcode-skills/skills/app-resizability/SKILL.md on GitHub (opens in a new tab)

• audit-xcode-security-settings

  Audit and enable security-oriented Xcode build settings. Progressively enables compiler warnings, static analyzer checkers, and Enhanced Security features. Use when: user wants to secure their Xcode project, audit security settings, enable hardening, review security posture of build configuration, set up security-focused static analysis, enable static analysis, improve warning coverage, harden di…

  plugins/xcode-skills/skills/audit-xcode-security-settings/SKILL.md on GitHub (opens in a new tab)

• building-document-based-swiftui-applications

  Authoritative guide for building and migrating document-based apps in SwiftUI using the Document protocol (iOS 27 and aligned releases, including macOS Golden Gate). Consult when building a new document-based app; implementing open, edit, save, or export document flows; working with DocumentGroup or DocumentGroupLaunchScene; implementing DocumentReader or DocumentWriter; using FileWrapper via Fil…

  plugins/xcode-skills/skills/building-document-based-swiftui-applications/SKILL.md on GitHub (opens in a new tab)

• device-interaction

  Verify app behavior on device or simulator via screenshots, UI hierarchy, and touch interactions.

  plugins/xcode-skills/skills/device-interaction/SKILL.md on GitHub (opens in a new tab)

• modernize-tests

  Modernize test suites to use modern Swift Testing features or migrate from XCTest.

  plugins/xcode-skills/skills/modernize-tests/SKILL.md on GitHub (opens in a new tab)

• swiftui-specialist

  Authoritative SwiftUI best practices and performance guidance from Apple; supersedes prior training on these topics. For code generation, consult the relevant references when generating any SwiftUI code related to: - animation (the @Animatable macro vs AnimatableValues vs AnimatablePair, and custom animatableData setter logic) - Environment and @Entry (closure or class-typed defaults, unstable de…

  plugins/xcode-skills/skills/swiftui-specialist/SKILL.md on GitHub (opens in a new tab)

• swiftui-whats-new-27

  New SwiftUI APIs, behaviors, and deprecations in the 2027 OS releases (iOS 27 and aligned macOS/watchOS/tvOS/visionOS). Consult when asked what's new in SwiftUI 27, or when working with: - @State compile errors after an SDK update ("used before being initialized", "invalid redeclaration of synthesized property") or @State becaming a macro - @ViewBuilder/@ContentBuilder ambiguous overloads or type…

  plugins/xcode-skills/skills/swiftui-whats-new-27/SKILL.md on GitHub (opens in a new tab)

No skill matches that filter.

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