Development skills

Browse reusable Agent Skills, each with a clear purpose and practical guidance.

promoted-iap

Generates Promoted In-App Purchase setup with StoreKit 2 product configuration, paywall integration, and App Store product page display. Use when setting up promoted purchases that appear on the App Store product page.

515 repo starsObserved in 1 repos
Development

referral-system

Generates referral/invite infrastructure with unique codes, deep link sharing, reward tracking, and fraud prevention. Use when user wants referral codes, invite friends flow, or viral growth mechanics.

515 repo starsObserved in 1 repos
Development

spotlight-indexing

Generates Core Spotlight indexing infrastructure for making app content searchable via system Spotlight with rich attributes and deep link integration. Use when user wants to index content for Spotlight search, Siri suggestions, or system-wide searchability.

515 repo starsObserved in 1 repos
Development

state-restoration

Generates state preservation and restoration infrastructure for navigation paths, tab selection, scroll positions, and form data across app launches and background termination. Use when user wants to save/restore app state, remember where the user left off, or persist UI state.

515 repo starsObserved in 1 repos
Development

streak-tracker

Generates a streak tracking system with timezone-aware day boundaries, streak freeze protection, and streak-at-risk push notifications. Use when user wants daily/weekly engagement streaks, consecutive day tracking, or habit tracking.

515 repo starsObserved in 1 repos
Development

subscription-offers

Generates StoreKit 2 code for all subscription offer types — introductory, promotional, offer codes, and win-back. Includes eligibility checks, offer presentation, and the preferredSubscriptionOffer modifier. Use when adding subscription offers, free trials, or promotional pricing.

515 repo starsObserved in 1 repos
Development

swift-concurrency-updates

Swift 6.2 concurrency updates including default MainActor inference, @concurrent for background work, isolated conformances, and approachable concurrency migration. Use when adopting Swift 6.2 concurrency features or fixing data-race errors.

515 repo starsObserved in 1 repos
Development

swiftdata-inheritance

SwiftData class inheritance patterns for hierarchical models with type-based querying, polymorphic relationships, and when to choose inheritance vs enums. Use when designing SwiftData model hierarchies.

515 repo starsObserved in 1 repos
Development

tdd-feature

Red-green-refactor scaffold for building new features with TDD. Write failing tests first, then implement to pass. Use when building new features test-first.

515 repo starsObserved in 1 repos
Development