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Found 2,344 Skills
TDD workflow guide. Use PROACTIVELY when writing new features or fixing bugs. Enforces Red-Green-Refactor cycle and prevents testing anti-patterns.
Guide for development and code tools skills including document processing, browser automation, testing frameworks, and IDE integrations.
Active coding loop — feature stages (brainstorm→plan→interface→tests→implement→improve→review→loop), red-green TDD execution, build-fix, deps-check, coding standards, bug-fix learning. Owns the canonical testing doctrine. Use when writing or changing code (backend, logic, APIs, libraries, CLIs).
Beta testing groups and tester management for Google Play closed testing tracks. Use when managing testers and beta groups.
Unit testing, integration testing, and test-driven development principles. Use when writing tests, reviewing test code, improving test coverage, or setting up testing strategy. Triggers on "write tests", "review tests", "testing best practices", or "TDD".
Testing patterns for Vitest, React Testing Library, and Jest. Routes to component, hook, and integration test examples.
Design, implement, and maintain high‑value TypeScript test suites using popular JS/TS testing libraries. Use this skill whenever the user is adding tests, debugging failing tests, or refactoring code that should be covered by tests.
Expert knowledge for Azure App Testing development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when using Azure Load Testing with VNets/private endpoints, JMeter/Locust/Playwright, CI/CD pipelines, or Playwright Workspaces, and other Azure App Testing related development tasks. Not for Azure Test Plans (use azure-test-plans), Playwright Workspaces (use azure-playwright-workspaces), Azure DevOps (use azure-devops), Azure App Service (use azure-app-service).
Use when writing or changing tests, adding mocks, or tempted to add test-only methods to production code - prevents testing mock behavior, production pollution with test-only methods, and mocking without understanding dependencies
React component testing with React Testing Library, Vitest/Jest, MSW for network mocking, accessibility assertions with axe, and the decision boundary between component tests and Playwright/Cypress end-to-end runs. Use when writing or fixing tests for React components, hooks, or pages.
cmux testing rules for Swift Testing, test target compilation, and package/refactor validation. Use when adding or changing tests, touching package/refactor code, or deciding whether reload.sh is enough validation.
Oban background job patterns - workers, queues, error handling, testing. Load when working with background jobs.