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
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android-networking-retrofit-okhttp
krutikjain/android-agent-skills
Build Android networking stacks with Retrofit, OkHttp, interceptors, API contracts, and resilient error handling.
sector-pe-ratios
octagonai/skills
Retrieve sector P/E ratios using Octagon MCP. Use when comparing company valuations to sector benchmarks, analyzing sector valuations across exchanges, and understanding market-wide valuation trends.
auth0-flutter-native
auth0/agent-skills
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flutter-improve-design
kamranbekirovyz/skills
Reviews Flutter code to find UI/UX improvements and writes an implementation plan for the ones you pick.
sec-debt-covenant
octagonai/skills
Analyze debt covenants and credit agreement terms from SEC filings using Octagon MCP. Use when researching financial covenants, leverage ratios, interest coverage requirements, credit facilities, debt maturity schedules, and covenant compliance from 10-K, 10-Q, and 8-K filings.
syncfusion-blazor-sparkline-charts
syncfusion/blazor-ui-components-skills
Implement Syncfusion Blazor Sparkline Charts for compact, inline trend visualizations in Blazor applications. Use this when creating mini charts, KPI indicators, dashboard sparklines, or word-sized data visualizations. This skill covers line, area, column, WinLoss, and pie sparklines, including data labels, markers, special points (high/low/negative), range bands, tooltips, and appearance customization. Ideal for dashboards, data tables with inline trends, email reports, and mobile data visualization scenarios requiring compact trend indicators.
catalyst-sdk
catalystbyzoho/agent-skills
Catalyst SDKs — initialization patterns, service access, and method reference for Node.js, Web (browser), Python, Java, Android, iOS, and Flutter. Trigger on 'SDK', 'zcatalyst-sdk-node', 'Node.js SDK', 'Web SDK', 'Python SDK', 'Java SDK', 'Android SDK', 'iOS SDK', 'Flutter SDK', or 'initialize SDK'.
axiom-avfoundation-ref
charleswiltgen/axiom
Reference — AVFoundation audio APIs, AVAudioSession categories/modes, AVAudioEngine pipelines, bit-perfect DAC output, iOS 26+ spatial audio capture, ASAF/APAC, Audio Mix with Cinematic framework
axiom-swiftui-layout
charleswiltgen/axiom
Use when layouts need to adapt to different screen sizes, iPad multitasking, or iOS 26 free-form windows — decision trees for ViewThatFits vs AnyLayout vs onGeometryChange, size class limitations, and anti-patterns preventing device-based layout mistakes
swift-code-review
existential-birds/beagle
Reviews Swift code for concurrency safety, error handling, memory management, and common mistakes. Use when reviewing .swift files for async/await patterns, actor isolation, Sendable conformance, or general Swift best practices.
ios-26-platform
johnrogers/claude-swift-engineering
Use when implementing iOS 26 features (Liquid Glass, new SwiftUI APIs, WebView, Chart3D), deploying iOS 26+ apps, or supporting backward compatibility with iOS 17/18.
flutter-bloc
dhruvanbhalara/skills
Implement state management using the BLoC/Cubit pattern with injectable dependency injection. Use when creating new BLoCs, managing UI state transitions, or configuring navigation with GoRouter.
axiom-ios-ui
charleswiltgen/axiom
Use when building, fixing, or improving ANY iOS UI including SwiftUI, UIKit, layout, navigation, animations, design guidelines. Covers view updates, layout bugs, navigation issues, performance, architecture, Apple design compliance.
auth0-net-ios
auth0/agent-skills
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android-build
hyperb1iss/hyperdroid-skill
Use when building Android apps (Gradle CLI) or ROMs (AOSP, LineageOS). Triggers on "gradle build", "assemble", "AOSP", "LineageOS", "lunch", "mka", "breakfast", "brunch", "compile android", "device tree", "kernel build".
auth0-net-android
auth0/agent-skills
>
axiom-swift-concurrency
charleswiltgen/axiom
Use when you see 'actor-isolated', 'Sendable', 'data race', '@MainActor' errors, or asking 'how do I use async/await', 'my app crashes with concurrency errors', 'how do I fix data races'. Covers Swift 6 concurrency, @concurrent, actors.
sentry-span-streaming-dart
getsentry/sentry-for-ai
Migrate Dart/Flutter SDK to Sentry span streaming (span-first trace lifecycle). Use when asked to "enable span streaming", "migrate to span streaming", "use traceLifecycle stream", "use Sentry.startSpan", or switch from transaction-based to streamed span delivery in a Dart or Flutter project.
axiom-ios-data
charleswiltgen/axiom
Use when working with ANY data persistence, database, axiom-storage, CloudKit, migration, or serialization. Covers SwiftData, Core Data, GRDB, SQLite, CloudKit sync, file storage, Codable, migrations.
axiom-swift-performance
charleswiltgen/axiom
Use when optimizing Swift code performance, reducing memory usage, improving runtime efficiency, dealing with COW, ARC overhead, generics specialization, or collection optimization
ios-taste
pproenca/dot-skills
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android-jetpack-compose-expert
sickn33/agentic-awesome-skills
Expert guidance for building modern Android UIs with Jetpack Compose, covering state management, navigation, performance, and Material Design 3.
alpaca-trading
lacymorrow/openclaw-alpaca-trading-skill
Execute trades, analyze markets, and manage portfolios using apcacli command-line tool for Alpaca's Trading API. Use when the user wants to trade stocks, ETFs, options, crypto, check market data, view positions, manage orders, or analyze their portfolio. Also use when they mention "buy," "sell," "trade," "market data," "stock price," "portfolio," "account balance," or "alpaca trading.
axiom-swiftui-nav-ref
charleswiltgen/axiom
Reference — Comprehensive SwiftUI navigation guide covering NavigationStack (iOS 16+), NavigationSplitView (iOS 16+), NavigationPath, deep linking, state restoration, Tab+Navigation integration (iOS 18+), Liquid Glass navigation (iOS 26+), and coordinator patterns
multiview-constraint-solver
roble3/cc-blender-skill
Determine whether front/side/back/top reference templates can be satisfied by one rigid 3D Blender model, choose a canonical source policy, and emit constraints before rebuilding. Use when multiview bboxes, silhouettes, part counts, or depth ratios contradict each other.
vaporwave-glassomorphic-ui-designer
curiositech/some_claude_skills
Vaporwave + glassomorphic UI designer for photo/memory apps. Masters SwiftUI Material effects, neon pastels, frosted glass blur, retro-futuristic design. Expert in 2025 UI trends (glassmorphism,
auth0-flutter-web
auth0/agent-skills
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flutter-code-gen
dhruvanbhalara/skills
Run Dart build_runner for code generation of Mappable classes and JSON serialization. Use after adding or modifying data model classes that require generated code.
axiom-swiftui-containers-ref
charleswiltgen/axiom
Reference — SwiftUI stacks, grids, outlines, and scroll enhancements through iOS 26
axiom-ios-vision
charleswiltgen/axiom
Use when implementing ANY computer vision feature - image analysis, object detection, pose detection, person segmentation, subject lifting, hand/body pose tracking.
xc-dev
yjmeqt/xc-dev
Use for iOS / Xcode build, run, test, clean/DerivedData, and simulator workflows in projects that have an `.xc-dev/` directory. Routes work through `xc-dev <task>` or builtins like `:clean` instead of raw `xcodebuild`.
gemini-image
akrindev/google-studio-skills
Generate images using Google Gemini and Imagen models via scripts/. Use for AI image generation, text-to-image, creating visuals from prompts, generating multiple images, custom aspect ratios, and high-resolution output up to 4K. Triggers on "generate image", "create image", "imagen", "text to image", "AI art", "nano banana".
cover-design
sugarforever/01coder-agent-skills
Design typography-driven video cover images using HTML/CSS + Chrome DevTools screenshot. Generates covers in all needed aspect ratios - 16:9 (YouTube), 16:10 (Bilibili), 9:16 and 3:4 (抖音/视频号 竖屏短视频) - with big readable text. Different from `cover-image` (AI hand-drawn aesthetic) - this is precise typography control via code. Use when user asks for "视频封面", "thumbnail", "做封面", "cover design", "缩略图", "横屏/竖屏封面", "抖音封面", "视频号封面".
axiom-swiftui-layout-ref
charleswiltgen/axiom
Reference — Complete SwiftUI adaptive layout API guide covering ViewThatFits, AnyLayout, Layout protocol, onGeometryChange, GeometryReader, size classes, and iOS 26 window APIs
axiom-sqlitedata-migration
charleswiltgen/axiom
Use when migrating from SwiftData to SQLiteData — decision guide, pattern equivalents, code examples, CloudKit sharing (SwiftData can't), performance benchmarks, gradual migration strategy
kotlin-expert
personamanagmentlayer/pcl
Expert-level Kotlin development, Android, coroutines, and multiplatform
react-native
hairyf/skills
React Native framework for building native mobile apps with React. Use when building iOS/Android apps, working with native components, handling touch interactions, animations, or platform APIs.
flutter-native
dhruvanbhalara/skills
Build type-safe native platform integrations using MethodChannels, EventChannels, and Pigeon. Use when communicating with Android/iOS native code, implementing federated plugins, or bridging platform-specific APIs.
sentry-react-native-sdk
getsentry/sentry-agent-skills
Full Sentry SDK setup for React Native and Expo. Use when asked to "add Sentry to React Native", "install @sentry/react-native", "setup Sentry in Expo", or configure error monitoring, tracing, profiling, session replay, or logging for React Native applications. Supports Expo managed, Expo bare, and vanilla React Native.
axiom-storekit-ref
charleswiltgen/axiom
Reference — Complete StoreKit 2 API guide covering Product, Transaction, AppTransaction, RenewalInfo, SubscriptionStatus, StoreKit Views, purchase options, server APIs, and all iOS 18.4 enhancements with WWDC 2025 code examples
ios-qa
garrytan/gstack
Live-device iOS QA for SwiftUI apps. (gstack)
axios
slanycukr/riot-api-project
Promise-based HTTP client for making requests from browser and Node.js
axiom-ios-integration
charleswiltgen/axiom
Use when integrating ANY iOS system feature - Siri, Shortcuts, widgets, IAP, camera, photo library, audio, ShazamKit, haptics, localization, privacy, alarms, calendar, reminders, contacts. Covers App Intents, WidgetKit, StoreKit, AVFoundation, ShazamKit, Core Haptics, Spotlight, EventKit, Contacts.
ios-fix
garrytan/gstack
Autonomous iOS bug fixer. (gstack)
ios-design-review
garrytan/gstack
Visual design audit for iOS apps on real hardware. (gstack)
forecast-scenarios
guia-matthieu/clawfu-skills
Model best-case, worst-case, and likely revenue scenarios with sensitivity analysis for strategic planning. Use when: building financial forecasts; presenting board scenarios; planning headcount around revenue uncertainty; modeling pricing changes impact; preparing investor updates with upside/downside ranges
axiom-ios-ai
charleswiltgen/axiom
Use when implementing ANY Apple Intelligence or on-device AI feature. Covers Foundation Models, @Generable, LanguageModelSession, structured output, Tool protocol, iOS 26 AI integration.
axiom-ios-ml
charleswiltgen/axiom
Use when deploying ANY machine learning model on-device, converting models to CoreML, compressing models, or implementing speech-to-text. Covers CoreML conversion, MLTensor, model compression (quantization/palettization/pruning), stateful models, KV-cache, multi-function models, async prediction, SpeechAnalyzer, SpeechTranscriber.
axiom-storage
charleswiltgen/axiom
Use when asking 'where should I store this data', 'should I use SwiftData or files', 'CloudKit vs iCloud Drive', 'Documents vs Caches', 'local or cloud storage', 'how do I sync data', 'where do app files go' - comprehensive decision framework for all iOS storage options
nurture-sequences
guia-matthieu/clawfu-skills
Transformez l'attention en conviction avec des séquences email evergreen qui font progresser les leads de curiosité → confiance → call booké, basé sur la méthodologie A5 du Marketing Swarm de Lasse Flagstad. Use when: **Créer une séquence evergreen** - Emails automatiques qui tournent indéfiniment; **Réactiver une liste froide** - Réveiller des leads dormants sans spam; **Structurer le nurturing post-lead-magnet** - Que se passe-t-il après l'opt-in?; **Définir les segments et triggers** - HOT...
video-format-conversion
eachlabs/skills
Convert videos between formats, codecs, and aspect ratios using each::sense AI. Support for MP4, WebM, GIF, ProRes, and social media optimized outputs.
auth0-android
auth0/agent-skills
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axiom-storage-management-ref
charleswiltgen/axiom
Use when asking about 'purge files', 'storage pressure', 'disk space iOS', 'isExcludedFromBackup', 'URL resource values', 'volumeAvailableCapacity', 'low storage', 'file purging priority', 'cache management' - comprehensive reference for iOS storage management and URL resource value APIs
security-reactnative
thebeardedbearsas/claude-craft
Security - React Native 0.85+ Best Practices. Use when reviewing security, implementing auth, or hardening code.
godot-mechanic-secrets
thedivergentai/gd-agentic-skills
Implement cheat codes, hidden interactions, and unlockable meta-content via time-windowed input sequence buffers, spam thresholds, look-at (dot-product) detectors, progress-% unlocks, and meta persistence in user://secrets.cfg. Use when adding Konami-style codes, curiosity spam eggs, glimmer cues, lockout anti-brute-force, or gallery flags that must survive slot deletes. Keywords: Konami, sequence buffer, meta secrets.cfg, visibility detector, lockout, glimmer, spam threshold, progress unlock.
trust-wallet-sdk
trustwallet/tw-agent-skills
Trust Wallet open-source libraries — Wallet Core (HD wallets, address derivation, tx signing in Swift/Kotlin/TypeScript/Go for 140+ chains), Web3 Provider (dApp connection for Ethereum/Solana/Cosmos/Bitcoin/Aptos/TON/Tron), deep linking, browser extension integration, WalletConnect, token assets repository, and Barz ERC-4337 smart wallet. Use when working with trustwallet/wallet-core, @trustwallet/wallet-core, trust-web3-provider, Trust Wallet deep links, token logos/metadata from trustwallet/assets, or Barz account abstraction.
modern-swift
johnrogers/claude-swift-engineering
Use when writing async/await code, enabling strict concurrency, fixing Sendable errors, migrating from completion handlers, managing shared state with actors, or using Task/TaskGroup for concurrency.
flutter-expert
404kidwiz/claude-supercode-skills
Expert in building cross-platform apps with Flutter 3+. Specializes in Dart, Riverpod, Flame (Game Engine), and FFI (Native Integration).
swiftui-microinteractions
iamvishal16/swiftui-microinteractions
Generate premium SwiftUI animations in the legendary-Animo style — spring physics, CoreHaptics, glass morphism, SF Symbols 7 draw animations, complete compilable files.
kotlin-functions
chrisbanes/skills
Use when choosing Kotlin member, top-level, extension, factory, or service functions for String, primitive, collection, Flow, framework, or third-party receivers.