Best Claude skills for testing and QA
Testing skills make your agent prove its work: test-driven development loops, browser testing with Playwright, regression checks and benchmarks. Agents are much more reliable when a skill forces them to run the tests instead of announcing success.
300 testing skills · ranked live · November 2026
The top 10. Ranked by the Alyn Score.
- 1#1
Anthropic
Skills
Anthropic
Skill Creator
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to…
Pack192k3.8MScore 93 - 2#2
Matt Pocock
Tdd
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
Pack321k33MScore 92 - 3#3
Migrate To Shoehorn
Migrate test files from `as` type assertions to @total-typescript/shoehorn. Use when user mentions shoehorn, wants to replace `as` in tests, or needs partial test data.
Pack321k33MScore 91 - 4#4
Setup Pre Commit
Set up Husky pre-commit hooks with lint-staged (Prettier), type checking, and tests in the current repo. Use when user wants to add pre-commit hooks, set up Husky, configure lint-staged, or…
Pack321k33MScore 91 - 5#5
Jesse Vincent
Superpowers
Jesse Vincent
Test Driven Development
Use when implementing any feature or bugfix, before writing implementation code
Pack316k3.9MScore 90 - 6#6
Anthropic
Skills
Webapp Testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and…
Pack192k3.8MScore 90 - 7#7
affaan-m
AI Regression Testing
Regression testing strategies for AI-assisted development. Sandbox-mode API testing without database dependencies, automated bug-check workflows, and patterns to catch AI blind spots where…
Pack301k1.7MScore 89 - 8#8
Benchmark Methodology
Score a scoped competitor set into comparable profile cards: nine weighted dimensions (positioning, voice, visual craft, offer packaging, evidence, enterprise-readiness, thought leadership…
Pack301k1.7MScore 89 - 9#9
Corey Haines
Marketingskills
Corey Haines
Ab Testing
When the user wants to plan, run, or read A/B tests, or asks a judgement call on one: is the result real, can we stop, which version won, is this worth testing at all: sample size…
Pack60k6.3MScore 88 - 10#10
Agent Runtime Gateway Smoke Test
Verify a local agent API, temporary gateway tunnel, and remote sandbox callback with a tool-free task, then restore the original app connection.
Pack301k1.7MScore 88
What makes a great testing skill.
A red-green-refactor loop the agent must follow.
Browser automation for real user flows, not only unit tests.
Guidance on what not to test, to avoid brittle snapshot spam.
All 300 testing skills.
OpenClaudia
Openclaudia Skills
OpenClaudiaab-test-setup
Design, plan, and analyze A/B tests with statistical rigor. Use when the user asks about A/B testing, split testing, experiment design, statistical significance, sample size calculation…
glebisapp-map
This skill should be used when mapping an application's screens, workflows and tests into one interactive page. It inventories every screen and touchpoint from the code, writes test…
dzhngaudit-tests
Audit whether tests earn their maintenance cost and which suite owns each contract. Use when pruning redundant tests, investigating implementation coupling or test-only production hooks…
EL4CTEOblender-asset-qa
Mandatory review gate for any mesh or asset created or edited in Blender. Detects z-fighting, floating/detached parts, inverted or inconsistent normals, non-manifold/open geometry…
Microsoft
Skills For Fabric
Microsofte2e-fabric-cost-estimation
Estimates Fabric capacity cost before a migration by profiling Spark, SQL, Power BI, and Real-Time workloads, then recommending SKU size and comparing Reserved, Pay-As-You-Go, and Autoscale…
Microsoft
Skills For Fabric
Microsofte2e-medallion-architecture
Plans and builds end-to-end Fabric data platforms on the Bronze, Silver, and Gold medallion pattern: ingestion to analytics, PySpark and Delta layers, pipeline orchestration, per-layer…
ai-evals-courseevaluate-rag
Guides evaluation of RAG pipeline retrieval and generation quality. Use when evaluating a retrieval-augmented generation system, measuring retrieval quality, assessing generation…
michaelshimeles
Rstack
michaelshimelesevidence-driven-testing
Records visual proof while testing UI behavior — the agent tests the app hands-on via computer use while a screen recording with structured test/assertion annotations captures the session —…
levnikolaevich
Claude Code Skills
levnikolaevichln-32-test-strategy-planner
Plans risk-based test portfolios and acceptance evidence; does not write or execute tests.
levnikolaevich
Claude Code Skills
levnikolaevichln-45-benchmark-comparator
Compares tools or implementations through controlled benchmarks and independent correctness checks.
rshankras
Claude Code Apple Skills
rshankrasproduct-development
End-to-end product development for iOS/macOS apps. Covers market research, competitive analysis, PRD generation, architecture specs, UX design, implementation guides, testing, and App Store…
plugin87prototype
Move an idea up the fidelity ladder (content-first → wireframe → low-fi → high-fi → code) with a validation plan at each level, plus user-journey mapping and usability-testing scripts. Use…
ai-evals-coursevalidate-evaluator
Calibrate an LLM judge against human labels using data splits, TPR/TNR, and bias correction. Use after writing a judge prompt (write-judge-prompt) when you need to verify alignment before…
dzhngwrite-tests
Write tests that pin real behavior instead of implementation details, config values, or lucky samples. Use when adding tests for new behavior, writing a regression test, fixing a brittle or…
AvdLeexcode-build-benchmark
Benchmark Xcode clean and incremental builds with repeatable inputs, timing summaries, and timestamped `.build-benchmark/` artifacts. Use when a developer wants a baseline, wants to compare…
petrkindlmannaccessibility-testing
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)…
foryourhealth111-pixeladaptyv
Cloud laboratory platform for automated protein testing and validation. Use when designing proteins and needing experimental validation including binding assays, expression testing…
petrkindlmannagentic-browser-testing
Goal-driven E2E testing where a browser agent (Playwright MCP / computer-use) reads a natural-language goal and explores the app via the accessibility tree to assert outcomes — no…
mohitagw15856ai-agent-reliability
Make an AI agent or automation reliable enough to trust — the tests, checks, and guardrails that catch its failures before they reach anything real. Use when asked how do I test my AI…
boraoztunc
Skills
boraoztuncanalytics-tracking
When the user wants to set up, improve, or audit analytics tracking and measurement. Also use when the user mentions "set up tracking," "GA4," "Google Analytics," "conversion tracking,"…
Aperivue
Medsci Skills
Aperivuedesign-ai-benchmarking
Use when designing a study that benchmarks AI systems against a human-expert panel, before data collection. Plans the arms, decoupled rubrics with anchors, planted calibration probes…
Aperivue
Medsci Skills
Aperivuedesign-study
Use when checking a radiology or medical AI study design before drafting or submission. Reviews the analysis unit, cohort logic, leakage risks, comparator, validation strategy and…
Jakeschincariol
Founder Skill
Jakeschincariolfounder-pricing
Finds the price buyers will actually pay. Reads the consumer panel's four price answers per buyer into a Van Westendorp price-sensitivity range (too cheap, a bargain, getting expensive, too…
ai-evals-coursegenerate-synthetic-data
Create diverse synthetic test inputs for LLM pipeline evaluation using dimension-based tuple generation. Use when bootstrapping an eval dataset, when real user data is sparse, or when…
TheQtCompanyRnD
Agent Skills
TheQtCompanyRnDqt-qml-test
Generates Qt Quick Test cases (TestCase, SignalSpy, tryCompare) for QML components. Use for "write QML tests", "qml test", "qt quick test".
posit-dev
Skills
posit-devreview-testing
Review test code for quality, design, and completeness after implementing a feature or fixing a bug. Use when the user asks to "review my tests", "check my test quality", "are these tests…
hashicorp
Agent Skills
hashicorprun-acceptance-tests
Guide for running acceptance tests for a Terraform provider. Use this when asked to run an acceptance test or to run a test with the prefix `TestAcc`, when a test fails with missing…
danjdewhursttheme-craft
This skill should be used when the user asks about "theme", "controlling idea", "thematic argument", "moral argument", "thematic arc", "flat arc", "negative arc", "the lie", "antagonist…
mohitagw15856ab-test-readout
Analyse a finished A/B test and write the readout — the result, whether it's statistically and practically significant, what it means, and the ship/no-ship call. Use when asked to analyse…
LeoYeAI
Agent Master Skills
LeoYeAIab-test-setup
When the user wants to plan, design, or implement an A/B test or experiment. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy,"…
LeoYeAI
Agent Master Skills
LeoYeAIab-testing
When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program. Also use when the user mentions "A/B test," "split test,"…
rmyndharis
Antigravity Skills
rmyndharisapi-testing-observability-api-mock
Design realistic API mock services that simulate real API behavior for development, testing, and demos, enabling parallel development. Use when a team needs mocks for an API that is…
rmyndharis
Antigravity Skills
rmyndharisbats-testing-patterns
Master Bash Automated Testing System (Bats) for comprehensive shell script testing. Use when writing tests for shell scripts, CI/CD pipelines, or requiring test-driven development of shell…
jsmastery-pro
Skills
jsmastery-prodebug
Run /debug to find and fix a bug's root cause: a test failing for an unclear reason, /check verify finding a failure, or behavior being wrong. Runs a reproduce, localize, hypothesize, test…
jaechang-hitsstatistical-analysis
Guided statistical analysis: test choice, assumption checks, effect sizes, power, APA reporting. Pick tests, verify assumptions, or format results for publication. Covers frequentist…
quodsoler
Unreal Engine Skills
quodsolerue-testing-debugging
Use when writing or running Unreal Engine tests, adding logging, or profiling a build. Also use when the user mentions 'UE_LOG', 'log category', 'DEFINE_LOG_CATEGORY', 'UE_LOGFMT'…
Testing skills, explained.
Also searched as: testing skills, playwright skill, tdd skill claude, qa agent skill.
What are the best Claude skills for testing and QA?
Right now the top-ranked testing skills on Alyn are Skill Creator (Anthropic), Tdd (Matt Pocock), Migrate To Shoehorn (Matt Pocock). Rankings combine GitHub stars, installs, freshness and depth, and update live.
Is there a TDD skill for Claude Code?
Yes. Superpowers includes test-driven development, and several packs here add Playwright and browser testing.
Do testing skills need extra tools?
Some bundle scripts that call Playwright or your test runner. Check the skill's files tab on Alyn before installing.
How do I install a testing skill?
Run npx skills add owner/repo in your project, or copy the folder with SKILL.md into ~/.claude/skills. Every skill on this page has a ready-to-copy command.
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Testing skills for your agent