Discover tools testing skills, compare source repositories and read the instructions for each workflow.
Test quality validation detecting mesa-optimization, happy-path bias, vacuous assertions, and error-swallowing anti-patterns. Use when reviewing test files for quality issues, evaluating test meaningfulness, or...
Context-efficient browser automation using Playwright scripts and subagent isolation. Use when you need to interact with web pages, extract data from websites, verify page elements, or automate browser tasks wh...
Complete Test-Driven Development workflow for AI-assisted development. Use when writing tests, implementing TDD, or verifying test quality. Includes RED-GREEN-REFACTOR phases, 5 quality criteria, test cheating...
Reviews test coverage and suggests missing test cases for error paths, edge cases, and business logic. Activates when users write tests or implement new features.
Comprehensive library of testing patterns, best practices, and templates for unit, integration, and end-to-end tests across frameworks
Automated testing workflow that orchestrates unit, integration, and E2E tests with CI/CD integration
Guide for writing effective test assertions with clear, meaningful error messages across different testing frameworks
Turn vague Acceptance Criteria into measurable checks and test assertions
Natural language wrapper for testing commands - automatically triggers /testing:run when users request test execution
Introduces property-based testing with proptest, helping users find edge cases automatically by testing invariants and properties. Activates when users test algorithms or data structures.
Automated validation suite for VCV Rack modules
Provides expertise on how to write effective unit tests (runtime and type tests), make testing decisions, and incorporate TDD into development workflows
Use when testing Claude Code Mobile app on iOS simulator with IDB CLI, when xc-mcp tools unavailable, or when needing testID-based UI automation - provides systematic workflow for finding elements by testID, ta...
Evaluates and implements regression tests after bug fixes based on severity, code complexity, and coverage. Use when bugs are fixed to prevent future regressions.
Use when testing iOS apps on simulator, capturing screenshots for validation gates, automating UI testing with expo-mcp and xc-mcp, or verifying visual correctness - combines expo-mcp autonomous testing (React...
Use when testing WebSocket servers, validating message protocols, executing Gate 3A, or tempted to use mocks - enforces functional testing with wscat and real filesystem operations, NO MOCKS allowed
Guides users on creating mock implementations for testing with traits, providing test doubles, and avoiding tight coupling to test infrastructure. Activates when users need to test code with external dependenci...
Strategies for designing comprehensive API tests including contract testing, integration testing, and performance testing
Write effective, maintainable tests that catch real bugs and enable confident refactoring. Use when deciding what to test, reviewing test quality, or writing tests for Grove features. Focuses on philosophy and...
Automated accessibility testing via Playwright MCP and axe-core
Browser automation via Playwright MCP - screenshots, interactions, DOM inspection
Web performance testing via Playwright MCP - Core Web Vitals, Lighthouse
Test APIs with integration tests, contract tests, and E2E validation. Covers Jest, Vitest, and Supertest for Node.js/TypeScript APIs. Includes test data management, fixtures, factories, environment configuratio...
Comprehensive test architecture, coverage strategy, and test design beyond API testing. Covers test pyramid design, frontend/component testing (React Testing Library, Vue Test Utils), E2E testing (Playwright, C...
The default order uses GitHub repository stars from our indexed data. Stars belong to the source repository and may be shared by multiple skills. They indicate repository interest, not skill installs or an independent quality score.