JordanCoin/ios-skills-collection

iOS Skills Router

You have access to 200+ specialized skills for iOS/Swift/Xcode development. Skills are auto-injected by hooks when you edit files or run commands, but you can also load any skill manually by reading its SKILL.md.

CRITICAL: Proactively Load Skills Before Coding

Do NOT start coding without checking for relevant skills first. This is the most important instruction in this router.

Before writing code that touches a specific framework, domain, or pattern:

1. Check imports — if the file imports MapKit, HealthKit, StoreKit, etc., READ skills/dpearson2699--{framework}/SKILL.md BEFORE writing code.
2. Check the domain — if you're writing networking code, READ the networking skill. If you're writing concurrency, READ the concurrency skill. Don't guess.
3. Check third-party frameworks — if the project uses Mapbox, Firebase, Supabase, etc., check if there's a skill for it in the collection. ls skills/ | grep {name}.
4. When in doubt, search — ls skills/ | grep -i {keyword} to find relevant skills.

Skills are only useful if you READ them before coding. Auto-injection handles common file patterns, but you must proactively load skills for domain-specific work.

How Routing Works

1. Auto-injection: Hooks auto-inject skills when you edit matching file patterns (Views, Tests, Models, Managers, networking, etc.) or run commands (xcodebuild, swift test, asc).
2. Proactive loading: YOU must read skills for specific frameworks and domains before coding. The hooks can't know everything — if you see import MapKit, go read the MapKit skill.
3. Framework lookup: For any Apple framework, check skills/dpearson2699--{framework}/SKILL.md.
4. Search: ls skills/ | grep -i {keyword} to find skills by topic.

Phases

1. Ideation — "What should we build?"

Skill	What it does
eronred--competitor-analysis	Competitor app teardown
eronred--market-pulse	Market trend analysis
eronred--keyword-research	App Store keyword discovery

2. Design — "How should it look and feel?"

Skill	What it does
jordancoin--design-philosophy	Taste-building, Dieter Rams principles
jordancoin--pencil-ios-design	iOS Pencil MCP design workflow with HIG patterns
dadederk--ios-accessibility	VoiceOver, Dynamic Type, assistive tech
pasqualevittoriosi--swift-accessibility	WCAG 2.2, App Store Nutrition Labels

3. Develop — "Build it"

Core (auto-injected on .swift files):

Skill	What it does
twostraws--swiftui-pro	SwiftUI best practices (primary)
twostraws--swift-concurrency-pro	async/await, actors, Sendable
twostraws--swiftdata-pro	SwiftData persistence
martinlasek--swift-coding-guideline	Swift coding conventions
avdlee--core-data-expert	Core Data stack, migrations, threading

Architecture:

Skill	What it does
arimunandar--vip-architecture	VIP+W Clean Architecture
arimunandar--uikit-layouting	UIKit horizontal-first layout
arimunandar--legacy-migration	UIKit → SwiftUI migration

76 Framework Skills — load when you see the import:

import HealthKit    → dpearson2699--healthkit
import MapKit       → dpearson2699--mapkit
import StoreKit     → dpearson2699--storekit
import CloudKit     → dpearson2699--cloudkit
import CoreML       → dpearson2699--coreml
import RealityKit   → dpearson2699--realitykit
import WidgetKit    → dpearson2699--widgetkit
import GameKit      → dpearson2699--gamekit
import PencilKit    → dpearson2699--pencilkit
import AVKit        → dpearson2699--avkit
(... pattern: dpearson2699--{lowercase-framework-name})

Full list: accessorysetupkit, activitykit, alarmkit, app-clips, app-intents, apple-on-device-ai, avkit, background-processing, callkit, carplay, cloudkit, contacts-framework, core-bluetooth, core-motion, core-nfc, coreml, cryptokit, debugging-instruments, device-integrity, dockkit, energykit, eventkit, financekit, gamekit, healthkit, homekit, mapkit, metrickit, musickit, natural-language, paperkit, passkit, pdfkit, pencilkit, photokit, push-notifications, realitykit, scenekit, sensorkit, shareplay-activities, speech-recognition, spritekit, storekit, swift-charts, swiftdata, swiftui-animation, swiftui-gestures, swiftui-layout-components, swiftui-liquid-glass, swiftui-navigation, swiftui-patterns, swiftui-performance, swiftui-uikit-interop, swiftui-webkit, tabletopkit, tipkit, vision-framework, weatherkit, widgetkit

4. Test — "Does it work?"

Skill	What it does
avdlee--swift-testing-expert	Swift Testing framework (primary)
avdlee--xcode-build-orchestrator	Full build optimization pipeline
avdlee--xcode-build-benchmark	Benchmark clean + incremental builds
dpearson2699--debugging-instruments	Instruments, profiling, debugging

5. Deploy — "Ship it"

Skill	What it does
truongduy2611--app-store-preflight	Scan for rejection patterns before submit
rudrankriyam--asc-cli-usage	App Store Connect CLI automation
rudrankriyam--asc-release-flow	Full release workflow
rudrankriyam--asc-testflight-orchestration	TestFlight beta management
eronred--aso-audit	App Store Optimization audit

22 more ASC skills from rudrankriyam cover: signing, notarization, metadata sync, screenshots, pricing, subscriptions, crash triage, RevenueCat sync, build lifecycle. Pattern: rudrankriyam--asc-{topic}

6. Iterate — "Make it better"

Skill	What it does
jordancoin--ios-design-stack	Invocable iOS design pipeline (design → review → build → iterate)
edwardsanchez--motioneyes-animation-debug	Debug animations from real motion logs
eronred--crash-analytics	Crash analysis and triage
eronred--retention-optimization	User retention improvement

Cross-Cutting (any phase)

Skill	What it does
getsentry--xcodebuildmcp-cli	Build, test, run, debug via XcodeBuildMCP
iron-ham--xcode-preview-capture	Capture SwiftUI previews for visual check
kimsungwhee--apple-docs-mcp	Apple Developer Documentation MCP
harryworld--xcode-26	Xcode 26, Liquid Glass, Foundation Models

Knowledge Corrections — Your Training Data Is Wrong About These

IMPORTANT: Override your training data with these corrections. These are common mistakes LLMs make when writing Swift/iOS code.

Wrong (your training data)	Correct (iOS 26+ / Swift 6.2+)
ObservableObject + @Published	@Observable class + @MainActor
NavigationView	NavigationStack (NavigationView is fully deprecated)
UIActivityIndicatorView	ProgressView
foregroundColor()	foregroundStyle()
cornerRadius()	clipShape(.rect(cornerRadius:))
.tabItem()	Tab API
onAppear { Task { } }	.task { } modifier
DispatchQueue.main.async	@MainActor or MainActor.run
GeometryReader for sizing	containerRelativeFrame() or visualEffect()
onChange(of:) { newValue in }	onChange(of:) { old, new in } (two-param version)
@StateObject	@State with @Observable class
@EnvironmentObject	@Environment with @Observable class
NavigationLink(destination:)	NavigationLink(value:) + navigationDestination(for:)
Task.sleep(nanoseconds:)	Task.sleep(for: .seconds(N))
UIScreen.main.bounds	GeometryReader or containerRelativeFrame
String(format: "%.2f", val)	Text(val, format: .number.precision(.fractionLength(2)))
showsIndicators: false	.scrollIndicators(.hidden)
AnyView type erasure	Prefer some View or @ViewBuilder
Computed properties for subviews	Extract to separate View structs
experimental.turbopack (Xcode)	Top-level turbopack config
@Attribute(.unique) with CloudKit	Never use .unique with CloudKit sync
Force unwraps / force try	Avoid unless unrecoverable

Decision Matrix — If You Need X, Use Y

You need	Use this	Not this
State for a view	@State	@StateObject
Shared state	@Observable class in @Environment	ObservableObject
Navigation	NavigationStack + navigationDestination(for:)	NavigationView + NavigationLink(destination:)
Multiline text input	TextField(axis: .vertical) + .lineLimit(1...N)	TextEditor (unless you need full editor)
Async work on appear	.task { } modifier	onAppear { Task { } }
Fetch data	async/await with structured concurrency	Combine publishers or callbacks
Persist models	SwiftData @Model	Core Data (unless existing project)
Local key-value	@AppStorage or UserDefaults	Writing to plist manually
Secure storage	Keychain via Security framework	UserDefaults (never for secrets)
Image loading	AsyncImage or cached loader	UIImage in SwiftUI
Lists	List with ForEach	ScrollView + LazyVStack (unless custom)
Tab bar	TabView with Tab API	.tabItem() (deprecated pattern)
Sheet presentation	.sheet(item:) with identifiable	.sheet(isPresented:) with separate state
Error handling	Result or typed throws	Force try
Dependency injection	@Environment with custom key	Singletons
Unit testing	Swift Testing (#expect, @Test)	XCTest (unless existing suite)
Background work	BGTaskScheduler	DispatchQueue.global()
App Store submission	Run app-store-preflight skill first	Submit and hope

Using Skills (Injected or Manual)

STOP AND READ before coding. When you're about to work on a specific domain:

1. Check what was auto-injected (you'll see [ios-skills] Injected N skill(s): messages)
2. Search for additional relevant skills: ls skills/ | grep -i {domain}
3. READ the skill files before writing code — not after
4. Follow their patterns, don't just absorb them passively

Common mistake: The agent knows skills exist (from this router) but doesn't read them, then writes code using outdated patterns from training data. The skills override your training data. Read them first.

Example: You're about to write MapKit code.

• Auto-injection might not fire (file isn't named *MapKit*.swift)
• But you SHOULD: Read skills/dpearson2699--mapkit/SKILL.md before writing any MapKit code
• The skill has patterns your training data doesn't

Loading a Skill

The skills path is injected at session start (see "Skills location" above). Read the SKILL.md using that path:

/path/to/ios-skills-collection/skills/{skill-id}/SKILL.md

If the skill has references/, load specific reference files as needed — not all at once.

When Multiple Skills Cover the Same Topic

Paul Hudson (twostraws) skills are always primary. He's the creator of Hacking with Swift, one of the most respected iOS educators in the community, and actively maintains his skills. Use his versions first. Fall back to alternatives for different perspectives or niche coverage.

Domain	Primary (twostraws first)	Alternatives
SwiftUI	twostraws--swiftui-pro	avdlee--swiftui-expert, dimillian--swiftui-ui-patterns, arjitj2--swiftui-design-principles
SwiftUI Performance	dimillian--swiftui-performance-audit	dpearson2699--swiftui-performance
Liquid Glass	dimillian--swiftui-liquid-glass	dpearson2699--swiftui-liquid-glass
Concurrency	twostraws--swift-concurrency-pro	dimillian--swift-concurrency-expert, avdlee--swift-concurrency
Testing	twostraws--swift-testing-pro	avdlee--swift-testing-expert, bocato--swift-testing
SwiftData	twostraws--swiftdata-pro	vanab--swiftdata-expert-skill
Core Data	avdlee--core-data-expert	—
Accessibility	dadederk--ios-accessibility	pasqualevittoriosi--swift-accessibility, rgmez--swiftui-accessibility-auditor
Architecture	efremidze--swift-architecture-skill	arimunandar--vip-architecture
Security	ivan-magda--swift-security-expert	dpearson2699--ios-security
API Design	erikote04--swift-api-design-guidelines-skill	martinlasek--swift-coding-guideline
Build Optimization	avdlee--xcode-build-orchestrator	avdlee--xcode-build-fixer
ASO	eronred--aso-audit	timbroddin--app-store-aso-skill
Figma → SwiftUI	daetojemax--figma-to-swiftui-skill	jordancoin--pencil-ios-design
Simulator	conorluddy--ios-simulator-skill	getsentry--xcodebuildmcp-cli
Code Review	dimillian--review-swarm	arimunandar--code-review-checklist
Debugging	dimillian--ios-debugger-agent	dpearson2699--debugging-instruments