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tailwind-patterns
Production-ready Tailwind CSS patterns for common website components: responsive layouts, cards, navigation, forms, buttons, and typography. Includes spacing scale, breakpoints, mobile-first patterns, and dark mode support. Use when building UI components, creating landing pages, styling forms, implementing navigation, or fixing responsive layouts.
frontend-responsive-design-standards
A comprehensive and practical guide for implementing responsive design standards with clear examples, mobile-first approach, and actionable best practices for modern web development.
react-native-expo
Build React Native 0.76+ apps with Expo SDK 52-54. Covers mandatory New Architecture (0.82+/SDK 55+), React 19 changes, SDK 54 breaking changes (expo-av, expo-file-system, Reanimated v4), and Swift iOS template. Prevents 16 documented errors. Use when building Expo apps, migrating to New Architecture, upgrading to SDK 54+, or fixing Fabric, TurboModule, propTypes, expo-updates crashes, or Swift AppDelegate errors.
swiftui-performance-audit
A comprehensive, structured SwiftUI performance audit tool with clear workflow, practical code examples, and systematic troubleshooting methodology for identifying and fixing common performance issues.
mobile-testing
A comprehensive and well-structured mobile testing skill with excellent practical guidance, device coverage strategies, and actionable code examples for iOS/Android testing.
senior-architect
Comprehensive software architecture skill for designing scalable, maintainable systems using ReactJS, NextJS, NodeJS, Express, React Native, Swift, Kotlin, Flutter, Postgres, GraphQL, Go, Python. Includes architecture diagram generation, system design patterns, tech stack decision frameworks, and dependency analysis. Use when designing system architecture, making technical decisions, creating architecture diagrams, evaluating trade-offs, or defining integration patterns.
swiftui-expert-skill
Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, modern APIs, Swift concurrency, and iOS 26+ Liquid Glass adoption. Use when building new SwiftUI features, refactoring existing views, reviewing code quality, or adopting modern SwiftUI patterns.
swiftui-view-refactor
Provides concrete rules for structuring SwiftUI views with specific ordering guidelines, dependency injection patterns, and Observation usage. Focuses on MV patterns, splitting large views, and handling view models safely. Includes practical examples for common refactoring scenarios.
better-auth
Self-hosted auth for TypeScript/Cloudflare Workers with social auth, 2FA, passkeys, organizations, RBAC, and 15+ plugins. Requires Drizzle ORM or Kysely for D1 (no direct adapter). Self-hosted alternative to Clerk/Auth.js. Use when: self-hosting auth on D1, building OAuth provider, multi-tenant SaaS, or troubleshooting D1 adapter errors, session caching, rate limits, Expo crashes, additionalFields bugs.
software-mobile
Provides concrete patterns for native iOS (Swift/SwiftUI), Android (Kotlin/Compose), and cross-platform (React Native) mobile development. Includes decision trees for platform selection, architecture, and data persistence, plus anti-pattern warnings and linked templates for specific tasks.
constant-time-analysis
Detects timing side-channel vulnerabilities in cryptographic code. Use when implementing or reviewing crypto code, encountering division on secrets, secret-dependent branches, or constant-time programming questions in C, C++, Go, Rust, Swift, Java, Kotlin, C#, PHP, JavaScript, TypeScript, Python, or Ruby.
favicon-gen
Generate custom favicons from logos, text, or brand colours. Produces all required formats: favicon.svg, favicon.ico, apple-touch-icon.png, icon-192/512.png, and web manifest. Use when initialising websites, replacing CMS default favicons, converting logos to favicons, creating branded icons from initials, or troubleshooting favicon not displaying, iOS black square, or missing manifest.
app-store-optimization
Complete App Store Optimization (ASO) toolkit for researching, optimizing, and tracking mobile app performance on Apple App Store and Google Play Store
swiftui-animation
Provides concrete SwiftUI animation implementation guidance including spring animations, transitions, matched geometry effects, and Metal shader integration. Includes specific code examples for common patterns like expandable cards and list animations, with practical troubleshooting advice.
pr-review
Security-first PR review checklist for this repo. Use when reviewing diffs/PRs, especially changes involving auth, networking, sensitive data, or dependency/lockfile updates. Focus on secret/PII leakage risk, supply-chain risk (npm + node_modules inspection), cross-platform architecture (extension/mobile/desktop/web), and React performance (hooks + re-render hotspots). Avoid UI style nitpicks. PR Review.
native-app-performance
A specialized CLI workflow for native macOS/iOS app performance profiling without Instruments UI, providing clear scripts for recording traces, extracting samples, and identifying hotspots.
mobile-developer
This skill provides detailed mobile development guidance for React Native and Flutter projects. It includes specific performance targets (cold start <2s, app size <50MB), platform-specific checklists, and integration with MCP tools like adb and xcode for debugging and deployment.
ios-simulator-skill
A collection of 21 Python/bash scripts for iOS simulator automation. It handles app testing, UI navigation via accessibility APIs, build automation, and device management. Outputs structured JSON for CI/CD integration and supports semantic element finding instead of pixel coordinates.
testing-patterns
Provides concrete Jest testing patterns for React Native, including factory functions for props/data, custom render utilities, mocking strategies for modules/GraphQL, and structured test organization. Focuses on behavior-driven testing with clear anti-patterns to avoid.
swift-concurrency-expert
This skill helps Swift developers fix concurrency issues in Swift 6.2+ codebases. It provides a systematic approach to diagnose and resolve actor isolation problems, Sendable compliance errors, and data race safety warnings while minimizing behavior changes.
ui-ux-pro-max
UI/UX design intelligence. 50 styles, 21 palettes, 50 font pairings, 20 charts, 9 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing page, dashboard, admin panel, e-commerce, SaaS, portfolio, blog, mobile app, .html, .tsx, .vue, .svelte. Elements: button, modal, navbar, sidebar, card, table, form, chart. Styles: glassmorphism, claymorphism, minimalism, brutalism, neumorphism, bento grid, dark mode, responsive, skeuomorphism, flat design. Topics: color palette, accessibility, animation, layout, typography, font pairing, spacing, hover, shadow, gradient. Integrations: shadcn/ui MCP for component search and examples.
.claude
This skill provides expert guidance for developing a Kotlin Multiplatform Nostr client with Compose Desktop. It enforces a strict workflow for code reuse, mandates surveying existing code before writing new code, and offers specialized sub-skills for different domains like Nostr protocol and UI development.
tauri
Provides structured documentation and code examples for Tauri framework development. Covers desktop and mobile app creation, IPC patterns, debugging setups, and platform-specific configurations. Serves as a quick reference for common tasks like code signing and plugin development.
flutter-development
Build beautiful cross-platform mobile apps with Flutter and Dart. Covers widgets, state management with Provider/BLoC, navigation, API integration, and material design.