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
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hardware-counters
mohitmishra786/low-level-dev-skills
Hardware performance counter skill for low-level CPU analysis. Use when collecting PMU events with perf stat, using the PAPI library, measuring cache miss rates and branch misprediction ratios, computing IPC, or correlating PMU events to source lines. Activates on queries about hardware counters, PMU events, perf stat -e, PAPI, cache miss rate, branch misprediction, IPC measurement, or CPU performance events.
tooluniverse-antibody-engineering
mims-harvard/tooluniverse
Therapeutic antibody engineering and optimization, lead-to-clinical-candidate. Covers sequence humanization (germline alignment, framework retention), affinity maturation, developability (aggregation, stability, PTMs), structure modeling (AlphaFold/PDB CDR analysis), immunogenicity prediction, and manufacturing feasibility. Use for biologic-drug optimization, mAb design review, biosimilar engineering, and clinical-precedent comparison.
otel-generic-style
superloglabs/skills
Generic OpenTelemetry style fallback for languages without a dedicated otel-*-style skill (Go, Java/Kotlin, Ruby, Rust, .NET/C#, PHP, Elixir, plain Node, etc.). Native SDK APIs, module-scope tracers/meters, bounded spans, error recording, OTLP logs, and resource attributes.
push-notification-setup
secondsky/claude-skills
Implements push notifications across iOS, Android, and web using Firebase Cloud Messaging and native services. Use when adding notification capabilities, handling background messages, or setting up notification channels.
flutter-tester
harishwarrior/flutter-claude-skills
Use when creating, writing, fixing, or reviewing tests in a Flutter project. Covers unit tests, widget tests, integration tests, Riverpod provider testing, and Mockito mocking. Provides Given-When-Then patterns, layer isolation strategies, and test setup for GetIt, SharedPreferences, and FakeDatabase.
reverse-engineering-android-malware-with-jadx
mukul975/anthropic-cybersecurity-skills
Reverse engineers malicious Android APK files using the JADX decompiler
react-native-unistyles-v3
jpudysz/react-native-unistyles
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api-design
margelo/react-native-skills
Design and review predictable public APIs for TypeScript, JavaScript, React, and React Native libraries. Use when shaping exported functions, classes, hooks, options objects, event and listener APIs, error behavior, naming, cross-platform abstractions, or JS-only packages. Pair with build-nitro-modules when the library is backed by Nitro.
test-case-writing
naodeng/awesome-qa-skills
Use this skill when you need to create high-quality test cases with normal, exception, and boundary scenarios; triggers include test case writing and test design.
lifecycle
posit-dev/skills
Guidance for managing R package lifecycle according to tidyverse principles using the lifecycle package. Use when: (1) Setting up lifecycle infrastructure in a package, (2) Deprecating functions or arguments, (3) Renaming functions or arguments, (4) Superseding functions, (5) Marking functions as experimental, (6) Understanding lifecycle stages (stable, experimental, deprecated, superseded), or (7) Writing deprecation helpers for complex scenarios.
cms-collection-setup
webflow/webflow-skills
Create a new CMS collection in Webflow with specified fields and relationships. Use when setting up blog posts, products, team members, portfolios, or other content types with custom fields.
mobile-offline-support
secondsky/claude-skills
Offline-first mobile apps with local storage, sync queues, conflict resolution. Use for offline functionality, data sync, connectivity handling, or encountering sync conflicts, queue management, storage limits, network transition errors.
kotlin-tooling-native-build-performance
kotlin/kotlin-agent-skills
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flutter-ui
dhruvanbhalara/skills
Build performant, accessible UIs with strict design tokens and reusable widget patterns. Use when implementing layouts, responsive breakpoints, theming, widget extraction, or fixing common rendering issues like overflow errors.
react-native-reusables
hairyf/skills
Agent skill for React Native Reusables — shadcn-style components for React Native (Expo) with Nativewind/Uniwind, RN Primitives, and CLI-driven scaffolding.
swift-best-practices
secondsky/claude-skills
| This skill should be used when writing or reviewing Swift code for iOS or macOS projects. Apply modern Swift 6+ best practices, concurrency patterns, API design guidelines, and migration strategies. Covers async/await, actors, MainActor, Sendable, typed throws, and Swift 6 breaking changes.
gplay-gradle-build
tamtom/gplay-cli-skills
Build, sign, and package Android apps with Gradle before uploading to Google Play. Use when asked to create an APK or AAB, configure signing, or set up build pipelines.
swiftdata
prisma-labs-dev/apple-skills
API reference: SwiftData. Query for @Model, ModelContext, @Query, schema migrations.
expo-ui-swift-ui
expo/skills
`@expo/ui/swift-ui` package lets you use SwiftUI Views and modifiers in your app.
flutter-duit-bdui
madteacher/mad-agents-skills
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node-connect
openclaw/openclaw
Diagnose OpenClaw Control UI browser and native Android, iOS, or macOS node connection failures across route, auth, pairing, QR/setup-code, and reconnect states.
axiom-swiftdata
charleswiltgen/axiom
Use when working with SwiftData - @Model definitions, @Query in SwiftUI, @Relationship macros, ModelContext patterns, CloudKit integration, iOS 26+ features, and Swift 6 concurrency with @MainActor — Apple's native persistence framework
flutter-bloc-development
abdelhakrazi/flutter-bloc-clean-architecture-skill
Build Flutter features using BLoC state management, clean architecture layers, and the project's design system. Apply when creating screens, widgets, or data integrations.
codebase-inspection
nousresearch/hermes-agent
Inspect codebases w/ pygount: LOC, languages, ratios.
liquid-glass
casper-studios/casper-marketplace
Build native macOS/iOS apps with Apple's Liquid Glass design language and Human Interface Guidelines. Use when creating SwiftUI interfaces, implementing translucent materials, designing cards/rows/badges, applying SF Symbols, following Apple HIG spacing/typography/color systems, or building any app that should feel native to Apple platforms. Triggers on macOS apps, iOS apps, SwiftUI UI, Apple-style design, glass effects, material backgrounds, native app design.
guide-swiftui-animations
prisma-labs-dev/apple-skills
SwiftUI animation patterns — implicit/explicit animations, transitions, phase/keyframe animations, the Animatable protocol, and the @Animatable macro. Use when implementing animations, transitions, or motion in SwiftUI views.
axiom-swiftui-26-ref
charleswiltgen/axiom
Use when implementing iOS 26 SwiftUI features - covers Liquid Glass design system, performance improvements, @Animatable macro, 3D spatial layout, scene bridging, WebView/WebPage, AttributedString rich text editing, drag and drop enhancements, and visionOS integration for iOS 26+
portfolio-analytics
agiprolabs/claude-trading-skills
Portfolio-level performance measurement including return metrics, risk metrics, risk-adjusted ratios, rolling analysis, and HTML reports
rc-configuring-the-sdk
revenuecat/ai-toolkit
Use this skill when adding and configuring the RevenueCat Android SDK (purchases-kt/purchases) in an app. Covers the Gradle dependency, Purchases.configure with PurchasesConfiguration, initial app user id strategy, and log level.
android-gradle-build-logic
krutikjain/android-agent-skills
Shape Android build logic with Gradle, version catalogs, plugins, convention patterns, and toolchain compatibility.
android-kotlin-core
krutikjain/android-agent-skills
Use Kotlin idioms safely in Android apps, including nullability, data classes, sealed types, extension functions, and collection pipelines.
wireframe
markdown-viewer/skills
Create UI wireframes and mockups using drawio XML format with platform-specific UI component libraries. Best for web page layouts, iOS/Android mobile app mockups, and Bootstrap-based designs. Built on drawio with mockup-specific stencils. NOT for simple flowcharts (use mermaid) or data visualization (use vega).
rc-payment-recovery
revenuecat/ai-toolkit
Use this skill when handling failed renewals on Android with RevenueCat. Covers how Grace Period and Account Hold are reflected in CustomerInfo automatically, when to prompt the user, and how to trigger Google's in app messaging via showInAppMessages.
appwrite-swift
appwrite/skills
Appwrite Swift SDK skill. Use when building native iOS, macOS, watchOS, or tvOS apps, or server-side Swift applications with Appwrite. Covers client-side auth (email, OAuth), database queries, file uploads, real-time subscriptions with async/await, and server-side admin via API keys for user management, database administration, storage, and functions.
yahoo-finance
gauss314/skills
API no oficial de Yahoo Finance: precios, históricos, fundamentales, opciones, noticias en JSON puro sin wrappers.
rc-error-handling
revenuecat/ai-toolkit
Use this skill when handling errors from the RevenueCat Android SDK. Covers PurchasesError, the PurchasesErrorCode enum, the userCancelled flag on PurchasesTransactionException, and the recommended UI response per code.
byted-seedream-image-generate
bytedance/agentkit-samples
Generate high-quality images from text prompts using Volcano Engine Seedream models. Supports multiple artistic styles and aspect ratios. Use this skill when users want to create images from text descriptions, generate artwork in various styles, create visual content for creative projects, or need AI-powered image generation capabilities.
developing-genkit-dart
firebase/skills
Generates code and provides documentation for the Genkit Dart SDK. Use when the user asks to build AI agents in Dart, use Genkit flows, or integrate LLMs into Dart/Flutter applications.
android-compose-foundations
krutikjain/android-agent-skills
Build Android UI with Jetpack Compose foundations, layouts, modifiers, theming, and stable component structure.
swift
margelo/react-native-skills
Design, implement, and review Swift APIs and Apple-platform code. Use when working on .swift files, Swift types, Foundation or AVFoundation APIs, DispatchQueue, async/await, Task, actors, MainActor, thread-affine state, or Swift-backed React Native Nitro Module implementations.
swift-focusengine-pro
mhaviv/swift-focusengine-agent-skill
Reviews, writes, and fixes focus management code for all Apple platforms (tvOS, iOS/iPadOS, watchOS, visionOS, macOS), covering SwiftUI, UIKit, AppKit, and RealityKit. Use when reading, writing, or reviewing apps that handle focus, hover, key view loops, or Digital Crown navigation.
android-architecture-clean
krutikjain/android-agent-skills
Apply clean architecture boundaries, use cases, repositories, and lifecycle-aware presentation models in Android projects.
syncfusion-blazor-security
syncfusion/blazor-ui-components-skills
Configure Content Security Policy (CSP) for Syncfusion Blazor components across Blazor Server, WebAssembly, and Auto render modes � self-hosted and CDN scenarios
kotlin
margelo/react-native-skills
Design, implement, and review Kotlin and Android APIs. Use when working on .kt files, Kotlin nullability, sealed classes/interfaces, coroutines, Android threading, Java interop, or Kotlin-backed React Native Nitro Module implementations.
react-native-expo
hairyf/skills
Build and maintain React Native apps with Expo SDK, EAS Build, EAS Update, and Continuous Native Generation. Use when configuring Expo projects, adding native modules, building binaries, or shipping over-the-air updates.
rxjava-to-coroutines-migration
new-silvermoon/awesome-android-agent-skills
Guide and execute the migration of asynchronous code from RxJava to Kotlin Coroutines and Flow. Use this skill when a user asks to convert RxJava (Observables, Singles, Completables, Subjects) to Coroutines (suspend functions, Flows, StateFlows).
flutter-control-and-screenshot
rodydavis/skills
Guide on how to control a Flutter app using flutter_driver via MCP and capture screenshots.
kotlin-concurrency-and-flow
chrisbanes/skills
Use when writing or reviewing Kotlin coroutine scope ownership, init launches, non-suspending launch APIs, runBlocking, cancellation, StateFlow, SharedFlow, Channel, stateIn, SharingStarted, state updates, or one-shot events.
godot-platform-mobile
thedivergentai/gd-agentic-skills
Expert blueprint for mobile platforms (Android/iOS) covering touch controls, virtual joysticks, responsive UI, safe areas (notches), battery optimization, and app store guidelines. Use when targeting mobile releases or implementing touch input. Keywords mobile, Android, iOS, touch, InputEventScreenTouch, virtual joystick, safe area, battery, app store, orientation.
cpp
margelo/react-native-skills
Design, implement, and review modern C++ APIs and native implementation code. Use when working on .cpp, .hpp, CMake, RAII ownership, std::variant, callbacks, async work, platform bridges, or C++-backed React Native Nitro Module implementations.
syncfusion-blazor-multicolumn-combobox
syncfusion/blazor-ui-components-skills
Comprehensive guide for implementing Syncfusion Blazor MultiColumn ComboBox component. Use this when displaying structured data in a dropdown with multiple columns, filtering, selection, paging, virtualization, grouping, and customization options. Perfect for complex data structures and advanced filtering scenarios in Blazor applications. Covers all MultiColumn ComboBox features from Syncfusion.Blazor.MultiColumnComboBox package.
build-threejs-scroll-worlds
mengto/skills
Build rich, scroll-controlled real-time Three.js experiences as one persistent 3D world whose camera, lighting, atmosphere, materials, objects, DOM story, and interactions evolve across authored chapters. Use for 3D scrollytelling, scroll-driven WebGL worlds, camera journeys, interactive portfolios, product stories, exhibitions, explainers, game or film microsites, spatial narratives, and multi-scene websites where native scroll should travel through one continuous place. Not limited to landing pages.
codable-patterns
dpearson2699/swift-ios-skills
Encode and decode Swift types to and from JSON, property lists, and other external representations using Codable, JSONEncoder, and JSONDecoder. Use when implementing API response parsing, custom CodingKeys for key remapping, custom init(from:) or encode(to:) for complex transformations, nested or flattened JSON structures, heterogeneous array decoding, date and data decoding strategies, lossy array wrappers, Codable integration with URLSession, SwiftData, or UserDefaults, or when configuring encoder/decoder output formatting and key strategies.
kotlin-api-design
chrisbanes/skills
Use when designing or reviewing Kotlin function ownership, member or extension functions, factories, single-field domain types, value classes, data classes, Kotlin Multiplatform expect/actual declarations, or platform service boundaries.
career-biographer
curiositech/some_claude_skills
AI-powered career biographer that conducts empathetic interviews, extracts structured career narratives, and transforms professional stories into portfolios, CVs, and personal brand assets.
industry-pe-ratios
octagonai/skills
Retrieve industry-specific P/E ratios using Octagon MCP. Use when comparing company valuations to specific industry peers, analyzing sub-sector valuations, and understanding niche market valuations beyond broad sector averages.
android-coroutines-flow
krutikjain/android-agent-skills
Use coroutines, Flow, structured concurrency, dispatchers, and cancellation-safe Android async pipelines.
stream-flutter
getstream/agent-skills
Build and integrate Stream Chat, Video, and Feeds in Flutter apps. Use for Flutter/Dart project work with Stream package setup, auth wiring, and widget blueprints. Supports stream_chat_flutter (pre-built Chat UI), stream_chat_flutter_core (custom Chat UI), stream_video_flutter (Video calling and livestreaming), and stream_feed / stream_feed_flutter_core (Activity Feeds, no pre-built UI). Also migrates Flutter apps from the Sendbird Chat SDK (sendbird_chat_sdk / sendbird_uikit) to Stream Chat.
swiftui-patterns
johnrogers/claude-swift-engineering
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conducting-mobile-app-penetration-test
mukul975/anthropic-cybersecurity-skills
Conducts penetration testing of iOS and Android mobile applications