1,063 free skills
Mobile skills
Skills for mobile development — Swift/iOS, Kotlin/Android, Flutter, and React Native patterns and testing.
Sourced from real, public repositories — synced daily, never invented.
1,063 free skills
Skills for mobile development — Swift/iOS, Kotlin/Android, Flutter, and React Native patterns and testing.
Sourced from real, public repositories — synced daily, never invented.
15 tools across six categories
13 of them never send your data anywhere
Free · No signup · No trial clock
SEE THE DIRECTORY
ios-ettrace-performance
dpearson2699/swift-ios-skills
Use when capturing or analyzing ETTrace profiles for a focused iOS launch or runtime flow, including exact-build dSYM UUID matching, Simulator or device capture, processed per-thread flamegraph JSON, sampled inclusive/exclusive time, unresolved symbols, and comparable verification. Use debugging-instruments or swiftui-performance for generic profiling instead.
react-native-vision-camera
margelo/react-native-skills
Best-practices guide for React Native VisionCamera v5 setup, migration, capture, controls, outputs, and basic frame processing. Use the separate react-native-vision-camera-realtime skill for production low-latency GPU, ML, CV, Skia or WebGPU pipelines and frame-coupled overlays.
page-transitions
dylantarre/animation-principles
Use when implementing route changes, view transitions, modal opens/closes, or navigation animation in web and mobile applications.
swiftui
prisma-labs-dev/apple-skills
API reference: SwiftUI. Query for views, layouts, navigation, @State/@Binding/@Observable, view modifiers, NavigationStack, iOS 26+ features.
flutter-internationalization
madteacher/mad-agents-skills
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react-native-architecture
sickn33/agentic-awesome-skills
Production-ready patterns for React Native development with Expo, including navigation, state management, native modules, and offline-first architecture.
kotlin-tooling-immutable-collections-0-5-x-migration
kotlin/kotlin-agent-skills
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swiftui-specialist
superagents-lab/xcode27-skills
Best practices and idiomatic patterns for SwiftUI. Use when writing, reviewing, or editing SwiftUI code.
swift-concurrency
prisma-labs-dev/apple-skills
API reference: Swift Concurrency. async/await, Task, TaskGroup, actors, AsyncSequence, AsyncStream, continuations.
aura-asset-images
mengto/skills
Use when you need high-quality stock-style images from Aura Assets (aura.build/assets) similar to Unsplash for design mockups and marketing: backgrounds, abstract wallpapers, architecture, portraits, and headshots. Includes a workflow for searching by tag on aura.build/assets and returns 5 real image URLs per category plus practical guidance for using different resolutions and aspect ratios.
appwrite-dart
appwrite/skills
Appwrite Dart SDK skill. Use when building Flutter apps (mobile, web, desktop) or server-side Dart applications with Appwrite. Covers client-side auth (email, OAuth), database queries, file uploads with native file handling, real-time subscriptions, and server-side admin via API keys for user management, database administration, storage, and functions.
ios-glass-ui-designer
heyman333/atelier-ui
Redesign mobile app UI to feel unmistakably iOS-native with modern Apple-like glass materials (translucency, blur, depth). Use this skill when designing iOS-first interfaces that leverage iOS material hierarchy (ultra-thin/regular/thick), SF Pro typography, safe-area patterns, and system component behaviors—without overdoing glass effects.
shadcn-ui-flutter
nank1ro/flutter-shadcn-ui
A comprehensive Flutter UI library inspired by shadcn/ui. Provides high-quality, customizable, and accessible components including Buttons, Cards, Forms, and more. Use this skill when building Flutter UIs, implementing design systems, or needing specific component usage examples.
react-native-app
aj-geddes/useful-ai-prompts
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kotlin-control-flow
chrisbanes/skills
Use when writing or reviewing Kotlin branching and control flow: when expressions, guard conditions, sealed type exhaustiveness, smart casts, nullable branching, early returns, or replacing complex if/else chains.
currencies-and-fx
joellewis/finance_skills
Analyze currency markets, exchange rate mechanics, and FX risk management for international portfolios. Use when the user asks about exchange rates, FX hedging, interest rate parity, carry trades, forward premiums, cross rates, or currency overlay programs. Also trigger when users mention 'strong dollar', 'weak euro', 'hedging foreign stocks', 'purchasing power parity', 'currency risk in my portfolio', 'EUR/USD', 'yen carry trade', or ask whether to hedge international investments.
debt-management
joellewis/finance_skills
Provide frameworks for managing and paying off personal debt effectively. Use when the user asks about debt payoff strategies (avalanche vs snowball), refinancing decisions, debt consolidation, debt-to-income ratios, or the opportunity cost of paying off debt vs investing. Also trigger when users mention 'which debt to pay first', 'should I refinance', 'credit card debt', 'student loan payoff', 'DTI for mortgage', 'balance transfer', 'good debt vs bad debt', or ask how to get out of debt faster.
android-viewmodel
new-silvermoon/awesome-android-agent-skills
Best practices for implementing Android ViewModels using Kotlin 2.3+ Explicit Backing Fields, StateFlow for UI state, and SharedFlow for one-off events.
cmux-sidebar-builder
manaflow-ai/cmux-skills
Build, inspect, or revise cmux custom sidebar views using the runtime SwiftUI-style interpreter. Use for sidebar vibe coding, custom sidebars in Bonsplit panes, left sidebar picker previews, interpreted Swift sidebars, ~/.config/cmux/sidebars/*.swift, cmux docs sidebars, or Aziz's Swift interpreter work.
live-activities
dpearson2699/swift-ios-skills
Implement, review, or improve Live Activities and Dynamic Island experiences in iOS apps using ActivityKit. Use when building real-time updating widgets for the Lock Screen and Dynamic Island — delivery tracking, sports scores, ride-sharing status, workout timers, media playback, or any time-sensitive information that updates in real time. Also use when working with ActivityKit, ActivityAttributes, Activity lifecycle (request/update/end), Dynamic Island layouts (compact/minimal/expanded), push-to-update Live Activities, or Lock Screen live widgets.
performance-reporting
joellewis/finance_skills
Generate clear, accurate performance reports for investment portfolios with benchmarks, attribution, and risk dashboards. Use when the user asks about portfolio performance reports, return summaries, benchmark comparison, risk dashboards, goal progress tracking, or GIPS-compliant reporting. Also trigger when users mention 'quarterly report', 'how did my portfolio do', 'time-weighted vs money-weighted return', 'annualized returns', 'net-of-fee performance', 'rolling Sharpe', or ask how to present investment results to clients.
performance-metrics
joellewis/finance_skills
Evaluate investment performance on a risk-adjusted basis using industry-standard ratios and capture analysis. Use when the user asks about Sharpe ratio, Sortino ratio, Information Ratio, Treynor ratio, Calmar ratio, Omega ratio, or upside/downside capture. Also trigger when users mention 'risk-adjusted returns', 'return per unit of risk', 'M-squared', 'is this fund worth the volatility', 'how to compare two managers', 'capture ratio', or ask which investment performed better after accounting for risk.
fund-vehicles
joellewis/finance_skills
Compare and select investment vehicles including mutual funds, ETFs, index funds, and separately managed accounts. Use when the user asks about ETF vs mutual fund, expense ratios, fund tax efficiency, ETF creation/redemption, tracking error, or share class comparisons. Also trigger when users mention 'which fund should I buy', 'Vanguard vs Fidelity', 'index fund costs', '12b-1 fees', 'load vs no-load', 'SMA vs ETF', 'fund turnover ratio', 'securities lending', or ask how fees compound over time.
photos-camera-media
dpearson2699/swift-ios-skills
Implement, review, or improve photo picking, camera capture, and media handling in iOS apps. Use when working with PhotosPicker, PHPickerViewController, camera capture sessions (AVCaptureSession), photo library access, image loading and display, video recording, or media permissions. Also use when selecting photos from the library, taking pictures, recording video, processing images, or handling photo/camera privacy permissions in Swift apps.
longbridge-elliott-wave
longbridge/skills
Elliott Wave technical timing analysis for individual stocks. Identifies current wave cycle position (impulse 5-wave / corrective ABC), validates with Fibonacci ratios, confirms with momentum indicators (MACD, RSI, volume divergence), and evaluates market environment per market (HK / US / A-share / SGX). Outputs structured natural language report with Fibonacci price zones and actionable reference. Triggers on "波浪分析", "艾略特波浪", "Elliott Wave", "波浪周期", "wave analysis", "技术择时", "technical timing", stock ticker + wave/timing keywords, "现在是第几浪", "处于哪个波浪", "波浪判断", "波浪理论", "浪形分析", "波浪择时".
dart-expert
personamanagmentlayer/pcl
Expert-level Dart, Flutter, mobile development, and cross-platform apps
agp-9-upgrade
android/skills
Upgrades, or migrates, an Android project to use Android Gradle Plugin
equities
joellewis/finance_skills
Analyze equity securities, factor models, and equity portfolio construction. Use when the user asks about stocks, equity valuation ratios, index construction methods, or style analysis. Also trigger when users mention 'P/E ratio', 'growth vs value', 'market cap weighting', 'sector allocation', 'GICS classification', 'earnings per share', 'Fama-French factors', 'CAPM', 'dividend yield', 'PEG ratio', 'EV/EBITDA', or ask which factors explain equity returns.
advice-standards
joellewis/finance_skills
Determine when a product, platform, or communication crosses the regulatory line from education into investment advice requiring investment adviser registration. Use when the user asks about the definition of investment advice under Advisers Act Section 202(a)(11), whether a fintech feature or AI chatbot constitutes advice, the publisher's exclusion for newsletters or model portfolios, the broker-dealer solely incidental exclusion, adviser registration thresholds and exemptions, or DOL education vs advice safe harbors. Also trigger when users ask 'do I need to register as an investment adviser', 'does this app give investment advice', 'is this tool just education or advice', 'robo-adviser registration', or 'disclaimer language for financial content'. (For what triggers a 'recommendation' under Reg BI, use reg-bi.)
camerax
android/skills
Provide technical guidance for Android camera development with CameraX.
camera1-to-camerax
android/skills
Use this skill to migrate legacy Android camera implementations (Camera1
play-policy-insights
android/skills
Automated auditor designed to verify Android applications against Google Play Policy domains. It cross-references static code analysis with Play Store declarations to generate deterministic compliance reports, identifying undeclared data collection, architectural risks, and missing disclosures across Permissions and APIs Hygiene, User Account and Identity, and Data Safety and Privacy domains.
limrun-android-emulator
limrun-inc/skills
Drive an app running on a Limrun cloud Android emulator: install an APK, launch and terminate apps with crash reports, tap, type, read the UI element tree, screenshot, record video, inject microphone audio, shape network bandwidth, and use adb over the CLI's tunnel for logcat, files, and shell. Use after a build (from limrun-gradle or any builder) when the user wants to see, test, or interact with their app on an emulator, or says 'show me a screenshot', 'tap', 'run it on the emulator', 'check logcat', or 'record a video'. To build the APK or AAB first, use limrun-gradle.
integration-patterns
joellewis/finance_skills
Design and implement integration architectures connecting financial systems — APIs, FIX protocol, ISO 20022, event-driven patterns, batch feeds, idempotency, and resilience. Use when building custodian integration pipelines, implementing FIX connectivity for order routing, designing ISO 20022 or SWIFT migration messaging, building batch file processing for custodian feeds or EOD reconciliation, implementing idempotency for transaction APIs, designing retry or circuit breaker patterns, mapping data between systems with different schemas, or troubleshooting integration failures causing recon breaks. Trigger on: FIX protocol, ISO 20022, custodian feed, batch processing, API design, idempotency, circuit breaker, dead letter queue, data mapping, integration architecture, SWIFT migration, mTLS, file feed, event-driven, message broker.
jadx
brownfinesecurity/iothackbot
Android APK decompiler that converts DEX bytecode to readable Java source code. Use when you need to decompile APK files, analyze app logic, search for vulnerabilities, find hardcoded credentials, or understand app behavior through readable source code.
android-data-layer
new-silvermoon/awesome-android-agent-skills
Guidance on implementing the Data Layer using Repository pattern, Room (Local), and Retrofit (Remote) with offline-first synchronization.
dt-obs-flutter
dynatrace/dynatrace-for-ai
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release-review
rshankras/claude-code-apple-skills
Senior developer-level release review for macOS/iOS apps. Identifies security, privacy, UX, and distribution issues with actionable fixes. Use when preparing an app for release, want a critical review, or before App Store submission.
stream-android
getstream/agent-skills
Build and integrate Stream Chat, Video, and Feeds in Android apps. Use for Jetpack Compose, Android Studio, and Gradle project work — including Stream package setup, auth and token wiring, screen blueprints, and any follow-up Stream UI work such as adding screens, navigating between channel list and channel/message screens, channel tap handling, deep links, push routing, theming, custom channel/message UI, video calling flows (joining/starting calls, ringing, custom call controls and participant tiles), and Feeds surfaces (timeline, activity composer, threaded comments, follow graph / profile, notification feed, stories).
cloudkit-sync
dpearson2699/swift-ios-skills
Implement, review, or improve CloudKit and iCloud sync in iOS/macOS apps. Use when working with CKContainer, CKRecord, CKQuery, CKSubscription, CKSyncEngine, CKShare, NSUbiquitousKeyValueStore, or iCloud Drive file coordination; when syncing SwiftData models via ModelConfiguration with cloudKitDatabase; when handling CKError codes for conflict resolution, network failures, or quota limits; or when checking iCloud account status before performing sync operations.
device-interaction
superagents-lab/xcode27-skills
Verify iOS app behavior on device or simulator via screenshots, UI hierarchy, and touch interactions.
musickit-audio
dpearson2699/swift-ios-skills
Integrate Apple Music playback, catalog search, and Now Playing metadata using MusicKit and MediaPlayer. Use when adding music search, Apple Music subscription flows, queue management, playback controls, remote command handling, or Now Playing info to iOS apps.
stream-swift
getstream/agent-skills
Build, integrate, migrate to, and answer how-to questions for Stream Chat, Video, and Feeds in Swift / SwiftUI / UIKit / iOS apps. Routes each request to the exact official iOS docs page, fetches it live, and applies it - with a curated setup flow, a Sendbird -> Stream Chat migration runbook, and iOS-specific pitfalls.
realitykit-ar
dpearson2699/swift-ios-skills
Build augmented reality experiences with RealityKit and ARKit on iOS. Use when adding 3D content with RealityView, loading entities and models, placing objects via raycasting, configuring AR camera sessions, handling world tracking, scene understanding, or implementing entity interactions and gestures.
android-retrofit
new-silvermoon/awesome-android-agent-skills
Expert guidance on setting up and using Retrofit for type-safe HTTP networking in Android. Covers service definitions, coroutines, OkHttp configuration, and Hilt integration.
pencilkit-drawing
dpearson2699/swift-ios-skills
Add Apple Pencil drawing, canvas views, tool pickers, and ink serialization using PencilKit. Use when building drawing apps, annotation features, handwriting capture, signature fields, or any Apple Pencil-powered experience on iOS/iPadOS/visionOS.
mobile-testing
petrkindlmann/qa-skills
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app-store-optimization
davila7/claude-code-templates
Complete App Store Optimization (ASO) toolkit for researching, optimizing, and tracking mobile app performance on Apple App Store and Google Play Store
code-size
rshankras/claude-code-apple-skills
Enforce complexity and size limits on Swift code with SwiftLint threshold rules — cyclomatic complexity, function/type/file length, parameter count — adopted via a violations baseline so existing code never blocks. Use when agent-written code needs deterministic size constraints.
ios-marketing-capture
parthjadhav/ios-marketing-capture
Use when the user wants to automate capture of marketing screenshots for a SwiftUI iOS app across multiple locales, devices, or appearances. Covers full-screen shots, isolated element renders (carousel cards, widgets), and reproducible output naming. Triggers on marketing screenshots, locale screenshots, widget renders, App Store assets, fastlane-alternative, simctl screenshots.
analyzing-ios-app-security-with-objection
mukul975/anthropic-cybersecurity-skills
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clinical-decision-support
davila7/claude-code-templates
Generate professional clinical decision support (CDS) documents for pharmaceutical and clinical research settings, including patient cohort analyses (biomarker-stratified with outcomes) and treatment recommendation reports (evidence-based guidelines with decision algorithms). Supports GRADE evidence grading, statistical analysis (hazard ratios, survival curves, waterfall plots), biomarker integration, and regulatory compliance. Outputs publication-ready LaTeX/PDF format optimized for drug development, clinical research, and evidence synthesis.
editorial-service-booking
mengto/skills
Create or redesign appointment-based service websites for salons, barbers, spas, wellness studios, clinics, and hospitality brands. Use for warm editorial layouts, serif-led identity, documentary portrait crops, calm treatment selectors, location-aware booking, and operational states that remain elegant and trustworthy.
swift-format-style
n0an/swift-formatstyle-agent-skill
Writes and reviews Swift FormatStyle code, replacing legacy Formatter subclasses and C-style String(format:) with modern .formatted() APIs. Use when formatting numbers, dates, durations, measurements, lists, names, byte counts, or URLs.
xml-to-compose-migration
new-silvermoon/awesome-android-agent-skills
Convert Android XML layouts to Jetpack Compose. Use when asked to migrate Views to Compose, convert XML to Composables, or modernize UI from View system to Compose.
tooluniverse-expression-data-retrieval
mims-harvard/tooluniverse
Retrieve gene expression and omics datasets from ArrayExpress and BioStudies with gene disambiguation and quality assessment. Use for finding RNA-seq/microarray datasets by organism/tissue/condition, comparing across studies (case-control, time-series, dose-response), and assessing dataset suitability before downloading. Always uses English search terms.
email-template-generator
onewave-ai/claude-skills
Generate professional email templates for various business scenarios including sales outreach, customer support, internal communications, follow-ups, and apologies. Creates personalized, tone-appropriate templates with subject lines and formatting. Use when users need to write business emails, cold outreach, or professional communications.
animating-react-native-expo
tristanmanchester/agent-skills
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prototype-prompt-generator
stellarlinkco/myclaude
This skill should be used when users need to generate detailed, structured prompts for creating UI/UX prototypes. Trigger when users request help with "create a prototype prompt", "design a mobile app", "generate UI specifications", or need comprehensive design documentation for web/mobile applications. Works with multiple design systems including WeChat Work, iOS Native, Material Design, and Ant Design Mobile.
material-3-expressive
albermonte/android-skills
Android UI/UX design or review with Material 3 Expressive (M3 Expressive / Material You Expressive). Use when selecting expressive component tokens, defining expressive hierarchy, motion, color, shape, typography, or reviewing Android UI against expressive guidance. Not for non-Android platforms, non-UI Android tasks, or implementation-only requests without design decisions.