Execute development tasks using Claude Code CLI for code generation, refactoring, feature implementation, and bug fixes. Use when the user asks to create code, add features, refactor, fix bugs, or...

This skill should be used when the user asks to "pentest AWS", "test AWS security", "enumerate IAM", "exploit cloud infrastructure", "AWS privilege escalation", "S3 bucket testing", "metadata...

Python development with ruff, mypy, pytest - TDD and type safety

Cross-platform mobile development specialist for React Native, Expo, native modules, and mobile-specific patternsUse when "react native, expo, mobile app, ios app, android app, cross-platform,...

Professional technical documentation writing for software projects including README files, user guides, migration guides, changelogs, API documentation, error messages, release notes, and...

Browser automation powers web testing, scraping, and AI agent interactions. The difference between a flaky script and a reliable system comes down to understanding selectors, waiting strategies,...

Expert at diagnosing and fixing performance bottlenecks across the stack. Covers Core Web Vitals, database optimization, caching strategies, bundle optimization, and performance monitoring. Knows...

Complete browser automation with Playwright. Auto-detects dev servers, writes clean test scripts to /tmp. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login...

Parallel feature development automation using git worktrees with project scaffolding. Use when developers ask to checkout features, create feature workspaces, work on multiple features in...

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,...

Implement authentication and authorization with Better Auth - a framework-agnostic TypeScript authentication framework. Features include email/password authentication with verification, OAuth...

Implement authentication and authorization with Better Auth - a framework-agnostic TypeScript authentication framework. Features include email/password authentication with verification, OAuth...

Extend and modify the admin dashboard, developer portal, and operations console. Use when adding new admin tabs, metrics, monitoring features, or internal tools. Activates for dashboard...

Expert in building immersive scroll-driven experiences - parallax storytelling, scroll animations, interactive narratives, and cinematic web experiences. Like NY Times interactives, Apple product...

Official integration patterns for Mapbox GL JS across popular web frameworks. Covers setup, lifecycle management, token handling, search integration, and common pitfalls. Based on Mapbox's...

Expert guidance for Windows, PowerShell, WSL interop, and cross-platform development

Test-Driven Development workflow principles. RED-GREEN-REFACTOR cycle.

Android Kotlin development with Coroutines, Jetpack Compose, Hilt, and MockK testing

Flutter development with Riverpod state management, Freezed, go_router, and mocktail testing

Comprehensive E2E testing skill using Playwright MCP for systematic web application testing. This skill should be used when users need to test web-based systems end-to-end, set up test regimes,...