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Skill catalog

608testing & qa agent skills synced from skills.sh, with their install counts. Read them here, or let your agent fetch the right one through the Graph-of-Skills MCP server.

Want your agent to use these? Set up Graph-of-Skills or get a free key. How these skills are sourced and what we check. Cannot find one? Your agent can write a skill for your own library. Have skills of your own? Install one on another machine. A skill that comes from GitHub shows its npx skills add command on its page.

  1. senior-qa davila7/claude-code-templates

    Comprehensive QA and testing skill for quality assurance, test automation, and testing strategies for ReactJS, NextJS, NodeJS applications. Includes test suite generation, coverage analysis, E2E testing setup, and quali…

    1,233 installs
  2. review-pr neolabhq/context-engineering-kit

    Review an existing GitHub pull request and post inline review comments on its diff. Use when the changes are on an opened PR rather than your local working tree.

    1,231 installs
  3. test-cases stellarlinkco/myclaude

    This skill should be used when generating comprehensive test cases from PRD documents or user requirements. Triggers when users request test case generation, QA planning, test scenario creation, or need structured test…

    1,229 installs
  4. testing-craft jssblck/agents

    Use when writing, reviewing, or refactoring tests, or choosing verification for a code change.

    1,223 installs
  5. test-prompt neolabhq/context-engineering-kit

    Use when creating or editing any prompt (commands, hooks, skills, subagent instructions) to verify it produces desired behavior - applies RED-GREEN-REFACTOR cycle to prompt engineering using subagents for isolated testi…

    1,222 installs
  6. test-skill neolabhq/context-engineering-kit

    Use when creating or editing skills, before deployment, to verify they work under pressure and resist rationalization - applies RED-GREEN-REFACTOR cycle to process documentation by running baseline without skill, writin…

    1,221 installs
  7. differential-fuzzer tursodatabase/turso

    Information about the differential fuzzer tool, how to run it and use it catch bugs in Turso. Always load this skill when running this tool

    1,220 installs
  8. fix-tests neolabhq/context-engineering-kit

    Systematically fix all failing tests after business logic changes or refactoring

    1,218 installs
  9. verify react/react

    Use when you want to validate changes before committing, or when you need to check all React contribution requirements.

    1,218 installs
  10. jest-react-testing manutej/luxor-claude-marketplace

    Comprehensive React component testing with Jest and React Testing Library covering configuration, mocking strategies, async testing patterns, hooks testing, and integration testing best practices

    1,217 installs
  11. code-review llama-farm/llamafarm

    Comprehensive code review for diffs. Analyzes changed code for security vulnerabilities, anti-patterns, and quality issues. Auto-detects domain (frontend/backend) from file paths.

    1,214 installs
  12. react19-test-patterns github/awesome-copilot

    Provides before/after patterns for migrating test files to React 19 compatibility, including act() imports, Simulate removal, and StrictMode call count changes.

    1,214 installs
  13. accessibility-testing petrkindlmann/qa-skills

    Test for WCAG 2.2 AA compliance with axe-core + Playwright, keyboard navigation audits, screen reader testing, ARIA pattern validation, and legal compliance mapping (ADA, EAA, Section 508). Automated tools catch 30-40%…

    1,209 installs
  14. character-animation-qa calesthio/openmontage

    Review local character animation with schema checks, Playwright browser previews, frame sampling, and FFmpeg/ffprobe final output checks.

    1,208 installs
  15. safe-action-validation-errors next-safe-action/skills

    Use when working with validation errors -- returnValidationErrors, formatted vs flattened shapes, custom validation error shapes, throwValidationErrors, or displaying field-level and form-level errors

    1,208 installs
  16. unit-testing petrkindlmann/qa-skills

    Write effective unit tests with Jest, Vitest, or pytest. Covers the test-doubles taxonomy (stub/spy/mock/fake), Arrange-Act-Assert, coverage threshold configuration and CI gating, snapshot testing, fake timers, and muta…

    1,205 installs
  17. release-readiness petrkindlmann/qa-skills

    Validate release readiness with evidence-based go/no-go decisions. Covers go/no-go checklists, smoke test suite design, staged rollout validation, rollback criteria and procedures, and post-deployment verification. Ensu…

    1,203 installs
  18. test-reliability petrkindlmann/qa-skills

    Runtime per-test healing with evidence: multi-attribute selector healing, environment-aware diagnosis, flake classification, quarantine management, and confidence-scored auto-repair. Goes beyond simple locator fallbacks…

    1,201 installs
  19. release boshu2/agentops

    Run release validation. Triggers: "run release validation", "cut a release", "check release readiness".

    1,193 installs
  20. static-analysis mohitmishra786/low-level-dev-skills

    Static analysis skill for C/C++ codebases. Use when hardening code quality, triaging noisy builds, running clang-tidy, cppcheck, or scan-build, interpreting check categories, suppressing false positives, or integrating…

    1,190 installs
  21. performance-testing petrkindlmann/qa-skills

    Test application performance with k6 load/stress/soak/spike scripts and k6 scenarios, Lighthouse CI for Web Vitals, and performance budgets as CI gates. Covers load profiles, custom metrics, bottleneck identification, a…

    1,189 installs
  22. senior-qa alirezarezvani/claude-skills

    Generates unit tests, integration tests, and E2E tests for React/Next.js applications. Scans components to create Jest + React Testing Library test stubs, analyzes Istanbul/LCOV coverage reports to surface gaps, scaffol…

    1,189 installs
  23. No description provided.

    1,180 installs
  24. debugging sentimony/skills

    You MUST use this when investigating bugs, regressions, failing tests, build or integration failures, flaky behavior, performance anomalies, or other unexpected technical behavior.

    1,180 installs
  25. feature-flags react/react

    Use when feature flag tests fail, flags need updating, understanding @gate pragmas, debugging channel-specific test failures, or adding new flags to React.

    1,180 installs
  26. database-testing petrkindlmann/qa-skills

    Validate database integrity, test migrations forward and backward, verify schema constraints, manage seed data, detect migration drift, and identify query performance issues. Covers PostgreSQL, MySQL, MongoDB with Prism…

    1,178 installs
  27. maestro-mobile-testing tovimx/maestro-mobile-testing-skill

    Maestro mobile E2E testing patterns for React Native/Expo apps: YAML test flows, testID selectors, adaptive auth state, optimistic update verification, GraalJS scripting, cross-platform stability, CI/CD integration, Mae…

    1,175 installs
  28. review-delta tirth8205/code-review-graph

    Review only changes since last commit using impact analysis. Token-efficient delta review with automatic blast-radius detection.

    1,175 installs
  29. change-impact affaan-m/ecc

    Perform evidence-backed impact analysis before changing code, data, interfaces, or governance documents, then compare the planned impact with the actual diff after implementation. Covers call paths, data and schema, API…

    1,174 installs
  30. testing-dags astronomer/agents

    Complex DAG testing workflows with debugging and fixing cycles. Use for multi-step testing requests like "test this dag and fix it if it fails", "test and debug", "run the pipeline and troubleshoot issues". For simple t…

    1,173 installs
  31. qa-start petrkindlmann/qa-skills

    Sequenced launcher that bootstraps QA on a project with no QA in place. Chains qa-project-context → test-strategy → test-planning in one guided run, then executes available checks and records evidence. Use when: "set up…

    1,165 installs
  32. tdd sentimony/skills

    You MUST use this when implementing testable behavior changes - new features, bug fixes, or refactors with observable contracts. Covers writing meaningful failing tests before implementation and verifying behavior throu…

    1,165 installs
  33. test-case-management petrkindlmann/qa-skills

    Author and maintain MANUAL and hybrid test cases and suites in TestRail, Xray (Jira), Zephyr Scale, and Qase. Covers test-case anatomy (title, preconditions, steps, expected results, test data), suite/section organizati…

    1,157 installs
  34. playwright pproenca/dot-skills

    Playwright testing best practices for Next.js applications (formerly test-playwright). This skill should be used when writing, reviewing, or debugging E2E tests with Playwright. Triggers on tasks involving test selector…

    1,155 installs
  35. Inventory and govern a project's test assets. Connect requirements, business rules, risks, bugs, and cross-boundary contracts to stable TEST-IDs and executable evidence in the repository's existing test registry or TEST…

    1,155 installs
  36. module-regression affaan-m/ecc

    Govern cross-module regression in large repositories with a REGRESSION.md ledger that records each module's downstream consumers and executable acceptance command. After a change, run the changed module and every affect…

    1,153 installs
  37. code-reviewer alirezarezvani/claude-skills

    Use for any code review: a pull request, a diff, a commit, or a pasted function, handler or file in TypeScript, JavaScript, Python, Go, Swift, Kotlin, C#/.NET, Java, C, C++, Rust, Ruby, PHP or Dart/Flutter. Applies per-…

    1,151 installs
  38. pr-finish gjkim42/kanon-repo

    Finish an open PR by batching review feedback, applying valid fixes, running verification, pushing once per batch, and monitoring CI with bounded waits. Use when the user asks to update code until PR review comments are…

    1,148 installs
  39. ai-system-testing petrkindlmann/qa-skills

    Test AI/LLM features that ship in your product. Covers prompt regression testing, response quality evaluation, tool-call validation, hallucination and RAG grounding checks, nondeterministic-output strategies, red-team/s…

    1,145 installs
  40. flow react/react

    Use when you need to run Flow type checking, or when seeing Flow type errors in React code.

    1,145 installs
  41. systematic-debugging jnmetacode/superpowers-zh

    遇到任何 bug、测试失败或异常行为时使用,在提出修复方案之前执行

    1,145 installs
  42. safe-action-testing next-safe-action/skills

    Use when writing tests for next-safe-action actions or hooks -- Vitest patterns for testing server actions directly, middleware behavior, hooks with React Testing Library, validation errors, and server errors

    1,139 installs
  43. qa-do petrkindlmann/qa-skills

    Route a plain-language QA situation to the next 1-2 skills, then carry out the requested workflow with evidence and a readable report. Use ONLY when the request does not match any other skill's trigger phrases. Use when…

    1,137 installs
  44. No description provided.

    1,135 installs
  45. No description provided.

    1,135 installs
  46. No description provided.

    1,135 installs
  47. No description provided.

    1,135 installs
  48. mobile-testing petrkindlmann/qa-skills

    Test native, React Native, hybrid, and Flutter mobile apps with Appium 3.x, Detox, Maestro, and Patrol. Covers device farm setup (BrowserStack, Sauce Labs), gesture simulation, deep link and cold-start testing, push not…

    1,130 installs
  49. cross-browser-testing petrkindlmann/qa-skills

    Design analytics-driven browser test matrices and execute cross-browser tests. Covers BrowserStack/Sauce Labs configuration, Playwright browser channels, common cross-browser CSS/JS divergences, a known-issues documenta…

    1,128 installs
  50. qa-metrics petrkindlmann/qa-skills

    Define, track, and act on QA metrics: test coverage percentage, flakiness rate, defect escape rate, MTTR, test execution time trends, automation ROI, quality gates, and SLAs for test suites. Includes metric formulas, re…

    1,128 installs