AGENT SKILLS · MISSION KIT / tartinerlabs

tartinerlabs · Agent Skills

12 Skills with substantive, source-verified documentation. Open a card to read the original instructions and review package and installation details.

tartinerlabs
Community

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.

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

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 MainActor.run); it's retriable (restartPerform), so do irreversible work last; requestConfirmation bef

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

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 continueInForeground / needsToContinueInForegroundError; UndoableIntent; asking the person to pick fr

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

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 the app by replacing legacy shared-state APIs with context-appropriate alternatives: mainScreen, int

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

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 diagnostics, or catch more bugs at compile time in C/C++/Objective-C/Swift. SKIP: network security (TLS

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

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 FileWrapperDocumentReader or FileWrapperDocumentWriter; working with package documents; accessing a docu

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

device-interaction

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

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

modernize-tests

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

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

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 defaults, high-frequency updates) - @Observable best practices and efficient invalidation - ForEach and

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

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-check regressions; drag-to-reorder in any container (List, stacks, grids, custom layouts) via re

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

uikit-app-modernization

Modernizes UIKit apps for multi-window environments by replacing legacy shared-state APIs with context-appropriate modern alternatives. This includes references to mainScreen, interfaceOrientation, application and scene lifecycle, as well as safe area inset updates.

1h installs
4
GitHub stars
8
Updated
Oct 31
tartinerlabs
Community

xctrace

Authoritative guide to xctrace, Apple's command-line interface to Instruments. Consult for any profiling, performance, or optimization work — for example, finding out why an app is slow, uses too much CPU or memory, or stops responding, or wanting to optimize a piece of code and measure the result — and whenever xctrace comes up for any reason: capturing traces, or opening and reading .trace and .atrc (Apple Trace) files from the command line.

1h installs
4
GitHub stars
8
Updated
Oct 31