Playwright testing. Use this skill to write and run automated tests for web applications using Playwright.

Documentation expert for Claude Skills showcase website. Maintains skill-to-website sync, manages tag taxonomy and badges, creates blog-style artifacts, and preserves multi-skill collaborations...

Use when writing tests. Use when test structure is unclear. Use when arrange/act/assert phases are mixed.

Perform statistical hypothesis testing, regression analysis, ANOVA, and t-tests with plain-English interpretations and visualizations.

Automate browser interactions and web testing. Provides scriptable browser control for web scraping, testing, and automation.

Use when CI tests fail on main branch after PR merge, or when investigating flaky test failures in CI environments

RSpec testing best practices for Ruby and Rails applications, covering test organization, data management, and isolation patterns.

Test-Driven Development Iron Law. Write the test first. Watch it fail. Write minimal code to pass. No exceptions.

Cypress end-to-end testing best practices for web applications, covering test structure, commands, and reliability patterns.

Automate App Store screenshot capture across devices and languages

Playwright end-to-end testing best practices for web applications, covering test design, locator strategies, and assertion patterns.

Quality assurance expert for testing strategies and quality gates. Use when planning test coverage, setting up QA processes, or improving quality standards.

Test-driven development workflow. Write tests first, then implement. Use when building new features, fixing bugs, or refactoring code.

Vitest testing framework: Vite-powered tests, Jest-compatible API, mocking, snapshots, coverage, browser mode, and TypeScript support.

Advanced swarm orchestration patterns for research, development, testing, and complex distributed workflows

Test web applications comprehensively for quality. Performs functional, integration, and user experience testing of web applications.

Run lint, build, and E2E tests in sequence. Use when the user wants to validate their code, run tests, or check if everything works before committing.

Write pytest unit tests for Python code changes. Use when adding tests for new or modified Python code in projects that use pytest.

Expert guidance for browser automation and web testing using Selenium WebDriver with best practices for element location, waits, and test organization.

Guide for configuring Monkey testing on devices. Use when helping beginners set up Monkey testing or when troubleshooting issues that require specific debug configurations.