Claude Code skills are packaged folders of instructions, scripts and resources that teach the AI coding agent how to perform specialised tasks.
Each skill has a SKILL.md file containing YAML metadata and step by step instructions. Claude scans the names and descriptions of installed skills and loads the full content only when your request matches.
Because skills are part of an open standard adopted by multiple agent frameworks, a single skill can work across Claude Code, OpenAI Codex, Cursor and other tools.
Installing Claude Code skills
Skills can be installed globally or per project. Personal skills go into ~/.claude/skills/ and become available across all your projects, while project specific skills live in .claude/skills/ inside your repository so everyone who clones the repo can use them.
Most skills are plain Markdown folders: clone the repository and copy the skill directory into the appropriate folder. For example, the Swift Development skill’s README shows that you can install it by copying the Swift Development skill directory into ~/.claude/skills/ and then invoking it via /swift-development.
Recommended skills for mobile developers
Below is a curated list of Claude Code skills that are particularly valuable for mobile developers working with native iOS, Android or Kotlin Multiplatform (KMP). The list covers a range of design and development tasks. Each skill is linked to its repository or marketplace page along with a brief description.
Swift Development
https://github.com/hmohamed01/swift-development
This comprehensive skill turns Claude into a competent Swift engineer. It packages patterns for SwiftUI navigation, concurrency (async/await, actors) and testing frameworks, along with helper scripts for building, running tests, formatting code and managing simulators. Installation is simple: copy the Swift Development directory into your personal skills folder and invoke it with /swift-development.
iOS Mobile Design
https://mcpmarket.com/tools/skills/ios-mobile-design
For designers and developers building polished iOS apps, this skill provides expert guidance on Apple’s Human Interface Guidelines. It teaches Claude how to apply SwiftUI layout systems, dynamic type, SF Symbols and modern navigation patterns so interfaces feel native to iPhone, iPad and visionOS. Key features include accessible design with dynamic type, responsive layouts, Material You style theming and Dark Mode optimisation.
iOS App Builder
https://mcpmarket.com/tools/skills/ios-app-builder
This skill transforms Claude into a senior iOS developer who builds and ships native apps using a command line only workflow. It uses Xcode’s xcodebuild and simctl tools to scaffold projects, run tests and launch apps without opening Xcode. The skill emphasises a “prove, don’t promise” methodology: it verifies logic through tests and simulator screenshots, manages the full app life cycle from scaffolding to App Store readiness and includes features like performance profiling and memory leak detection.
SwiftUI agent skill
https://github.com/twostraws/swiftui-agent-skill
A SwiftUI skill create by Paul Hudson (hacking with swift).
This skill helps identify and fix common mistakes AI agents make when writing SwiftUI – things like modern API usage, performance, accessibility, and more.
Android Development
https://github.com/dpconde/claude-android-skill
Designed for modern Android projects, this skill teaches Claude clean architecture with separate UI, domain and data layers. It covers Jetpack Compose patterns and best practices, multi module project structures, offline first architecture using Room and reactive streams, dependency injection with Hilt and comprehensive testing strategies. After cloning the repository into your skills folder, you can ask the agent to scaffold features, create Compose screens or set up repositories following Android best practices.
Android Kotlin Development
https://fastmcp.me/skills/details/241/android-kotlin-development
This skill focuses on building native Android apps with Kotlin. The description explains that it covers Model-View-ViewModel architecture with Jetpack, Compose for declarative user interfaces, Retrofit for API calls, Room for local storage and navigation patterns. It includes detailed instructions and code samples for models, API services and MVVM view models, making it a practical guide for Kotlin developers.
Mobile Android Design
https://fastmcp.me/skills/details/644/mobile-android-design
When you need to design Android interfaces that follow Google’s Material Design 3 guidelines, this skill is indispensable. It teaches Claude how to build adaptive layouts with Jetpack Compose, implement navigation patterns like bottom navigation and drawers, use dynamic colour and Material You theming, and create accessible UI for phones, tablets and foldables. It is especially helpful for modernising existing apps or ensuring new designs comply with Material Design principles.
Jetpack Compose Expert
https://github.com/aldefy/compose-skill
This skill provides Claude with real source code and extensive reference guides for Jetpack Compose. Without it, AI tools often misuse remember, generate inefficient recompositions or misorder modifiers; with the skill, Claude picks the right state primitive, applies stability annotations and orders modifiers correctly. The reference guides cover state management, view composition, performance, navigation, animation, lists, side effects, modifiers, theming, accessibility and deprecated patterns. Installation requires cloning the repository and copying the Jetpack Compose expert skill directory into your skills folder; Claude will automatically activate it when you mention Compose or related API names.
Kotlin Multiplatform (KMP) Abstraction Guide
https://fastmcp.me/skills/details/2190/kotlin-multiplatform
KMP projects often involve tough decisions about what to share between platforms and what to keep platform specific. This skill guides those decisions by providing a platform abstraction decision tree. It explains when to use commonMain, jvmAndroid or expect/actual patterns, covers targets like Android, JVM/Desktop and iOS, and offers triggers for questions such as "should I share this ViewModel?". It helps developers place code correctly and prepare for future web or WebAssembly targets.
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