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.
- 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 - 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 - 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 - compose-ui-testing-patterns chrisbanes/skills
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 - 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 - 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 - run-smoke-tests cursor/plugins
Run Playwright smoke tests, debug failures, and verify fixes
2,150 installs - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - creating-oracle-to-postgres-migration-integration-tests github/awesome-copilot
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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - planning-oracle-to-postgres-migration-integration-testing github/awesome-copilot
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 - playwright-cli screenci/screenci
Automate browser interactions, test web pages and work with Playwright tests.
1,759 installs - 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 - 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 - scaffolding-oracle-to-postgres-migration-test-project github/awesome-copilot
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 - 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 - 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 - ce-report-bug everyinc/compound-engineering-plugin
Report a bug in the compound-engineering plugin
1,720 installs - capture-api-response-test-fixture vercel/ai
No description provided.
1,717 installs - 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 - 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 - 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 - 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 - 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 - 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