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Skill catalog

565testing & 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. audit-xls anthropics/financial-services

    Audit a spreadsheet for formula accuracy, errors, and common mistakes. Scopes to a selected range, a single sheet, or the entire model (including financial-model integrity checks like BS balance, cash tie-out, and logic…

    2,212 installs
  2. design-qa-checklist owl-listener/designer-skills

    Build a QA checklist for verifying that a build matches the design. Use at implementation review. For the spec engineers build from, use `handoff-spec`.

    2,212 installs
  3. frontend-testing-best-practices sergiodxa/agent-skills

    Testing best practices for the frontend. Emphasizes E2E tests over unit tests, minimal mocking, and testing behavior over implementation details. Use when writing tests or reviewing test code.

    2,205 installs
  4. Use when writing or reviewing Jetpack Compose UI tests, screenshot tests or baseline-recording evidence, previews, semantics assertions, fake image loading, keyboard input, focus assertions, interaction state (hover/pre…

    2,199 installs
  5. semgrep semgrep/skills

    Run Semgrep static analysis scans and create custom detection rules. Use when asked to scan code with Semgrep, find security vulnerabilities, write custom YAML rules, or detect specific bug patterns. IMPORTANT: Also use…

    2,183 installs
  6. usability-test-plan owl-listener/designer-skills

    Design a usability study — research questions, methodology, participant criteria, metrics, and facilitation guide. Use when planning the study as a whole. For writing the task scenarios inside it, use `test-scenario` (p…

    2,155 installs
  7. run-smoke-tests cursor/plugins

    Run Playwright smoke tests, debug failures, and verify fixes

    2,150 installs
  8. rtk-tdd rtk-ai/rtk

    Enforces TDD (Red-Green-Refactor) for Rust development. Auto-triggers on implementation, testing, refactoring, and bug fixing tasks. Provides Rust-idiomatic testing patterns with anyhow/thiserror, cfg(test), and Arrange…

    2,144 installs
  9. vitest-midscene-e2e web-infra-dev/midscene-skills

    Enhances Vitest with Midscene for AI-powered UI testing across Web (Playwright), Android (ADB), and iOS (WDA). Scaffolds new projects, converts existing projects, and creates/updates/debugs/runs E2E tests using natural-…

    2,067 installs
  10. accessibility-test-plan owl-listener/designer-skills

    Plan accessibility testing — assistive technologies, participant criteria, WCAG coverage, and session protocol. Use when scheduling testing with real AT users. Not for evaluating a design yourself — use `accessibility-a…

    2,058 installs
  11. test-harness zernie/vigiles

    Install vigiles and test a Claude Code harness — hooks, skills, agents, settings, CLAUDE.md — by picking the right tier (unit / deterministic / eval) and writing a test that passes. Use to check that a hook fires or blo…

    2,057 installs
  12. a-b-test-design owl-listener/designer-skills

    Design an A/B experiment — hypothesis, variants, primary metric, and sample size. Use when a change can be measured quantitatively at scale. For observing behaviour qualitatively, use `test-scenario`.

    2,054 installs
  13. fusion-dependency-review equinor/fusion-skills

    Review dependency PRs with structured research, existing-PR-discussion capture, multi-lens analysis (security, code quality, impact), and a repeatable verdict template. USE FOR: dependency update PRs, Renovate/Dependabo…

    2,048 installs
  14. prisma-next-debug prisma/prisma-next

    Read a Prisma Next structured error envelope and route to the right recovery — code, domain, severity, why, fix, meta. Use for error, exception, my emit failed, my query won't typecheck, my query crashed, my migration w…

    2,043 installs
  15. test-scenario owl-listener/designer-skills

    Write realistic usability task scenarios with success criteria and facilitation notes. Use when you have a study and need the tasks. For the surrounding study design, use `usability-test-plan` (design-research).

    2,042 installs
  16. click-test-plan owl-listener/designer-skills

    Design first-click and click tests for findability and navigation. Use when testing whether people can locate something. For full task-based observation, use `test-scenario`.

    2,020 installs
  17. spring-boot-testing github/awesome-copilot

    Expert Spring Boot 4 testing specialist that selects the best Spring Boot testing techniques for your situation with Junit 6 and AssertJ.

    2,020 installs
  18. code-review paulrberg/agent-skills

    Use for code/PR review, audits, bug/security checks, reviewing diffs or changes, and finding issues in code.

    2,014 installs
  19. qa-expert daymade/claude-code-skills

    Sets up QA testing processes: test strategies, Google Testing Standards test cases, P0-P4 bug tracking, quality metrics, progress reports, autonomous execution via master prompts, and OWASP security testing, with third-…

    1,966 installs
  20. sentry-debug-issue getsentry/sentry-for-ai

    Debug and fix a Sentry issue — find it (by link, ID, or search), pull full context (stack trace, breadcrumbs, trace, logs), optionally run Seer root-cause / autofix, apply the code fix, and resolve it via a `Fixes PROJE…

    1,943 installs
  21. test-coverage cognitedata/builder-skills

    MUST be used whenever fixing test coverage for a Flows app to meet the 80% line coverage hard gate. This skill finds AND fixes coverage gaps — it configures tooling, writes missing tests, covers untested paths, and refa…

    1,927 installs
  22. gitnexus-impact-analysis abhigyanpatwari/gitnexus

    Use when the user wants to know what will break if they change something, or needs safety analysis before editing code. Examples: "Is it safe to change X?", "What depends on this?", "What will break?"

    1,911 installs
  23. correctness-and-error-handling cognitedata/builder-skills

    MUST be used whenever fixing correctness and error handling issues in a Flows app. This skill finds AND fixes bugs, missing error states, unhandled rejections, and edge-case failures — it does not just report them. Trig…

    1,907 installs
  24. expect millionco/expect

    Use when editing .tsx/.jsx/.css/.html, React components, pages, routes, forms, styles, or layouts. Also when asked to test, verify, validate, QA, find bugs, check for issues, or fix expect-cli failures.

    1,897 installs
  25. playwright-automation petrkindlmann/qa-skills

    Write production-grade Playwright tests in TypeScript: Page Object Model, fixtures, auto-waiting, user-facing locators, parallel execution, CI integration, sharding, and installed-version checks. Includes an explicit "d…

    1,897 installs
  26. tdd pandoscope/skills

    Test-driven development via red-green-refactor with an auditable commit protocol. Use when implementing any feature, bugfix, refactor, or behavior change before writing implementation code, or when the user mentions TDD…

    1,875 installs
  27. alan-test-feature supatest-ai/alan-skills

    Scope coverage, build a testing strategy, test the feature with agent-browser, capture screenshots/video (always mandatory), upload to S3, and create a structured test report (never skip)

    1,797 installs
  28. Creates integration test cases targeting Oracle for .NET data access artifacts. Tests capture Oracle expected behavior as the authoritative baseline; they are written once and later ported to PostgreSQL by migrating the…

    1,796 installs
  29. responsiveness-check jezweb/claude-skills

    Test website responsiveness across viewport widths using browser automation. Resizes a single session through breakpoints, screenshots each width, and detects layout transitions (column changes, nav switches, overflow).…

    1,791 installs
  30. unit-test-vue-pinia github/awesome-copilot

    Write and review unit tests for Vue 3 + TypeScript + Vitest + Pinia codebases. Use when creating or updating tests for components, composables, and stores; mocking Pinia with createTestingPinia; applying Vue Test Utils…

    1,788 installs
  31. mcore-testing nvidia/skills

    Test system for Megatron-LM. Covers test layout, recipe YAML structure, adding and running unit and functional tests, golden values, marker filters, and CI parity.

    1,784 installs
  32. usability-testing refoundai/lenny-skills

    Help users conduct effective usability testing. Use when someone is planning user tests, designing prototype validation, preparing usability studies, or trying to understand why users struggle with their product.

    1,782 installs
  33. pr-feedback-quality-gate nexu-io/open-design

    Safely track pull request feedback, resolve review comments or merge conflicts, validate fixes, and use a read-only cross-review before committing or pushing follow-up changes.

    1,780 installs
  34. cypress-cloud-cli cypress-io/ai-toolkit

    Runs the cy-cloud CLI to inspect Cypress Cloud organizations, projects, runs, specs, tests, failure screenshots, and Test Replay data. Use when the user mentions Cypress Cloud, cy-cloud, cypress-cloud-cli, a Cloud run o…

    1,779 installs
  35. hunk-review modem-dev/hunk

    Interacts with live Hunk diff review sessions via CLI. Inspects review focus, navigates files, hunks, and exact lines, reloads session contents, adds inline review comments, and paints attention marks on character range…

    1,777 installs
  36. Creates an integration testing plan for .NET data access artifacts during Oracle-to-PostgreSQL database migrations. Analyzes a single project to identify repositories, DAOs, and service layers that interact with the dat…

    1,759 installs
  37. playwright-cli screenci/screenci

    Automate browser interactions, test web pages and work with Playwright tests.

    1,759 installs
  38. intended-vs-implemented phuryn/pm-skills

    The method for finding the gap between what a system is supposed to do and what the code actually does — the class of bug generic scanners miss because they have no model of intent. Defines what counts as documented int…

    1,756 installs
  39. pr-review minimax-ai/skills

    Review pull requests for the MiniMax Skills repository. Use when reviewing PRs, validating new skill submissions, or checking existing skills for compliance. Run the validation script first for hard checks, then apply q…

    1,753 installs
  40. Scaffolds an xUnit integration test project targeting Oracle in .NET solutions. Creates the test project, transaction-rollback base class, and seed data manager. Use only during Phase 3, before writing Oracle baseline i…

    1,744 installs
  41. vitest jezweb/claude-skills

    Set up Vitest testing in any project — detects type (Cloudflare Workers, React, Node, library), generates vitest.config.ts, test setup, utilities, and a sample test. Covers mocking patterns, coverage config, workspace s…

    1,734 installs
  42. gitnexus-debugging abhigyanpatwari/gitnexus

    Use when the user is debugging a bug, tracing an error, or asking why something fails. Examples: "Why is X failing?", "Where does this error come from?", "Trace this bug"

    1,733 installs
  43. ce-report-bug everyinc/compound-engineering-plugin

    Report a bug in the compound-engineering plugin

    1,720 installs
  44. No description provided.

    1,717 installs
  45. diagnose vinvcn/mattpocock-skills-zh-cn

    面向棘手 bug 和性能回退的纪律化 diagnosis loop。Reproduce → minimise → hypothesise → instrument → fix → regression-test. Use when user says "diagnose this" / "debug this", reports a bug, says something is broken/throwing/failing, or…

    1,711 installs
  46. hsb-test nvidia/skills

    Execute QA test plans on Holoscan Sensor Bridge hardware. Reads a user-provided test document, filters tests by the user's setup, determines which tests can run automatically, executes them with pass/fail evaluation, an…

    1,686 installs
  47. review alirezarezvani/claude-skills

    Review Playwright tests for quality. Use when user says "review tests", "check test quality", "audit tests", "improve tests", "test code review", or "playwright best practices check".

    1,665 installs
  48. go-code-review cxuu/golang-skills

    Use when reviewing Go code or checking code against community style standards. Also use proactively before submitting a Go PR or when reviewing any Go code changes, even if the user doesn't explicitly request a style re…

    1,660 installs
  49. coverage alirezarezvani/claude-skills

    Analyze test coverage gaps. Use when user says "test coverage", "what's not tested", "coverage gaps", "missing tests", "coverage report", or "what needs testing".

    1,645 installs
  50. e2e-testing hieutrtr/ai1-skills

    End-to-end testing patterns with Playwright for full-stack Python/React applications. Use when writing E2E tests for complete user workflows (login, CRUD, navigation), critical path regression tests, or cross-browser va…

    1,644 installs