Skills and Prompts

Skills and Prompts

Two lighter-weight resource types for focused, quick, or composable AI assistance.

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Skills

A skill is a focused prompt module — shorter than a full agent, covering one concern, composable with others. Each lives in skills/<platform>/<name>.md.

What's in a skill file

• Purpose — one sentence: what capability this adds
• When to use — specific scenarios where you'd reach for this skill
• Skill Prompt — the block you paste into any LLM session
• Example — a real input and output
• Composition notes — how to combine with other skills or agents

Using a skill standalone

1. Open the skill file — e.g. skills/ios/swift-review.md
2. Copy the ## Skill Prompt section
3. Paste into any LLM session as the first message
4. Paste your code and ask for a review

Composing multiple skills

Paste multiple skill prompts together — the LLM applies all of them simultaneously:

[paste skills/ios/swift-review.md skill prompt]
[paste skills/ios/swiftui-state.md skill prompt]

Review this SwiftUI ViewModel: [paste code]

Skills vs. Agents

	Skills	Agents
Output format	Flexible	Structured — typed sections, verdict
Setup	Paste one block	Paste system prompt + follow input format
Best for	Quick inline review, composing	Structured analysis, repeatable output
Works without structured input	Yes	No

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All 14 Skills

Android

Skill	File	What It Adds
Code Review	skills/android/code-review.md	Coroutines, Clean Architecture, Compose, DI rules

iOS (most complete — 6 skills)

Skill	File	What It Adds
Swift Review	skills/ios/swift-review.md	ARC, [weak self], [unowned self], @MainActor, force-unwrap
SwiftUI State	skills/ios/swiftui-state.md	@State/@StateObject/@ObservedObject selection, expensive body
Networking	skills/ios/networking.md	URLSession, async/await, HTTP status checks, certificate pinning
Unit Testing	skills/ios/unit-testing.md	Swift Testing vs XCTest, async tests, protocol-based mocking
Performance	skills/ios/performance.md	Main thread blocking, Core Data N+1, image decoding overhead
Data Persistence	skills/ios/data-persistence.md	UserDefaults vs Keychain vs Core Data vs SwiftData, file encryption

Flutter

Skill	File	What It Adds
Widget Generation	skills/flutter/widget-gen.md	Null-safety, const, theming, responsive, accessibility rules

React Native

Skill	File	What It Adds
Performance	skills/react-native/performance.md	useCallback, useMemo, FlatList config, animation thread
Bridge Audit	skills/react-native/bridge-audit.md	Bridge call overhead, synchronous native calls, JSI migration

Unity

Skill	File	What It Adds
Shader Review	skills/unity/shader-review.md	Mobile shader budget, half precision, pipeline correctness

Shared (cross-platform)

Skill	File	What It Adds
Crash Analysis	skills/shared/crash-analysis.md	Crash triage: type identification, first app frame, root cause
Accessibility	skills/shared/accessibility-audit.md	WCAG 2.2 mobile: labels, touch targets, roles, announcements
Security	skills/shared/security-scan.md	OWASP Mobile Top 10 checklist

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Prompts

A prompt is the simplest resource — a complete, ready-to-paste prompt with a placeholder for your code. Each lives in prompts/<platform>/<name>.md.

What's in a prompt file

• Purpose — one sentence
• Prompt — the full text with [PASTE YOUR CODE HERE] slot
• Example — a worked input and expected output
• Variations — modifications for related use cases

Using a prompt

1. Open the prompt file — e.g. prompts/android/generate-unit-test.md
2. Copy the entire ## Prompt section
3. Replace [PASTE YOUR CLASS HERE] with your Kotlin/Swift/Dart code
4. Paste the whole thing into any LLM — no system prompt needed

Prompts are one-shot. They don't require a system prompt, don't need a structured input format, and don't produce a structured output format. Use them when you want a quick result without setup.

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All 22 Prompts

Android (5)

• explain-flow.md — explain a Kotlin Flow operator chain in plain English
• generate-unit-test.md — JUnit 5 + MockK unit test from a class
• compose-layout.md — Jetpack Compose layout from a wireframe description
• migration-guide.md — step-by-step migration guide (LiveData→StateFlow, View→Compose, etc.)
• gradle-dependency-audit.md — audit build.gradle.kts for outdated or conflicting deps

iOS (4)

• swift-concurrency-explainer.md — explain async/await and actors in a code block
• generate-unit-test.md — XCTest + Swift Testing unit test from a class
• swiftui-accessibility.md — accessibility audit of a SwiftUI view
• combine-to-async.md — migrate a Combine publisher chain to async/await

Flutter (4)

• widget-from-design.md — widget from a Figma / wireframe description
• riverpod-migration.md — migrate Provider to Riverpod 2.x
• test-golden.md — golden (screenshot) test for a Flutter widget
• performance-audit.md — widget tree performance audit

React Native (4)

• component-audit.md — quick performance audit of a single RN component
• new-arch-migration.md — Old Architecture → New Architecture migration guide
• navigation-setup.md — React Navigation v7 type-safe stack config
• e2e-test.md — Detox E2E test for a user flow

Game Dev (5)

• shader-from-reference.md — Unity shader from a visual reference description
• blueprint-to-cpp.md — Unreal Blueprint description → C++ .h + .cpp
• game-object-architecture.md — component architecture design for a game entity
• game-balance.md — data-driven balance table for enemy/weapon/level stats
• level-design-review.md — level design review for pacing and player experience

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