Discover Testing & security skills, compare source repositories and read the instructions for each workflow.
Build secure container images with Wolfi runtime, non-root users, and multi-stage builds. Templates for Python/uv, Bun, Node.js/pnpm, Golang (static/CGO), and Rust (glibc/musl) with allocator optimization
Live UI development workflow using tmux panes + Playwright for visual feedback. Start dev server in one pane, use Playwright for testing, screenshots, and mobile/responsive verification in real-time.
Create detailed implementation plans for software features and refactoring tasks. Use this skill when planning new features, architectural changes, or major refactoring efforts.
Local Python-based browser automation toolkit using Playwright. Provides command-line tools for navigating, interacting with, and testing web applications. Supports clicking, typing, hovering, screenshots, cont...
Design secure webhooks with HMAC validation, idempotency patterns, and event-driven architecture
Improve code structure, readability, and maintainability without changing external behavior through systematic refactoring
Apply testing patterns like AAA (Arrange-Act-Assert), mocking, fixtures, and parameterization for maintainable test suites
Implement robust error handling with proper validation, recovery mechanisms, and clear feedback for system stability
Implement data validation rules, quality metrics, and data cleansing strategies
Apply STRIDE methodology to identify security threats, analyze attack surfaces, and assess security risks in system architectures
Design responsive web interfaces using modern UX principles, accessibility standards, and mobile-first approaches
Design RESTful APIs with proper resource modeling, HTTP methods, error handling, and clear contracts following REST principles
Profile CPU, memory, and I/O usage to identify bottlenecks, analyze execution traces, and diagnose performance issues
Identify security vulnerabilities including OWASP Top 10 issues, implement secure coding practices, and validate authentication/authorization implementations
Implement focus management, optimize tab order, and validate keyboard shortcuts
Document APIs comprehensively with signatures, parameters, return values, errors, and working code examples for developer reference
Apply proven architectural patterns (MVC, layered, microservices) to create maintainable systems with clear separation of concerns
Design intuitive desktop interfaces following platform conventions with proper layouts, keyboard shortcuts, and native widgets
Implement application metrics (RED, USE), alerting strategies, and monitoring dashboards
Design extract-transform-load patterns, data pipeline orchestration, and incremental loading strategies
Implement robust third-party API integrations with proper authentication, error handling, and rate limiting
Apply Gang of Four and architectural patterns appropriately to solve common software design problems
Test with NVDA, JAWS, VoiceOver, validate ARIA attributes, and ensure semantic HTML
Apply caching strategies, database optimization, and algorithmic improvements to enhance application performance
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