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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. Anthropic

    Skills

    #1
    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
    Details
  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
    Details
  3. #3
    Matt Pocock

    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
    Details
  4. #4
    Matt Pocock

    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
    Details
  5. Jesse Vincent

    Superpowers

    #5
    Jesse Vincent

    Test Driven Development

    Use when implementing any feature or bugfix, before writing implementation code

    Pack316k3.9MScore 90
    Details
  6. Anthropic

    Skills

    #6
    Anthropic

    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
    Details
  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
    Details
  8. #8
    affaan-m

    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
    Details
  9. Corey Haines

    Marketingskills

    #9
    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
    Details
  10. #10
    affaan-m

    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
    Details

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.

77
phuryn

live-qa

Running audience Q&A at an all-hands, AMA, webinar, launch, sprint review or talk, or turning a session's questions into a FAQ: collect, moderate, answer and follow up every question…

Pack28k245kProduct management
77
zhaoxuya520

reverse-skill-router

Routes reverse engineering, exploitation, penetration testing, malware, mobile, firmware, browser automation, documentation, and security tasks to the appropriate specialist skill. Use when…

Pack44k64kCoding
76
samber

golang-benchmark

Golang benchmarking, profiling, and performance measurement. Use when writing, running, or comparing Go benchmarks, profiling hot paths with pprof, interpreting CPU/memory/trace profiles…

Pack3.8k1.8MTesting
76
samber

golang-performance

Golang performance optimization patterns and methodology - if X bottleneck, then apply Y. Covers allocation reduction, CPU efficiency, memory layout, GC tuning, pooling, caching, and…

Pack3.8k1.8MBackend
75
OpenMontage

character-animation-qa

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

Pack79k116kVideo
75
phuryn

dummy-dataset

Generate realistic dummy datasets for testing with customizable columns, constraints, and output formats (CSV, JSON, SQL, Python script). Use when creating test data, building mock…

Pack28k245kProduct management

Cloudflare

Security Audit Skill

75
Cloudflare

security-audit

Security guidance and vulnerability review for codebases, APIs, services, CLI tools, libraries, and daemons. Use for security questions, focused reviews, vulnerability research, security…

69k99kSecurity
75
phuryn

strategy-red-team

Red-team a PRD, roadmap, or strategy by attacking its load-bearing assumptions before reality does. Steelmans then attacks each claim, ranks failure modes by impact × likelihood ×…

Pack28k245kProduct management
74
davila7

agent-evaluation

Testing and benchmarking LLM agents including behavioral testing, capability assessment, reliability metrics, and production monitoring—where even top agents achieve less than 50% on…

Pack33k285kTesting
74
tradermonty

backtest-expert

Expert guidance for systematic backtesting of trading strategies. Use when developing, testing, stress-testing, or validating quantitative trading strategies. Covers "beating ideas to…

Pack3.7k254kTesting
73
browser-act

amazon-alexa-qa

Amazon Alexa for Shopping Q&A automation: submits questions to Amazon's Alexa/Rufus AI shopping assistant and collects response text; supports optional keyword search context (navigate to…

Pack6.3k196kE-commerce

NVIDIA

Skills

73
NVIDIA

amc-run-sample-calibration

Run end-to-end calibration on the shipped sample dataset (sdg_08_2_sample_data_010926.zip) against a running AMC microservice. Use when user says 'test sample dataset', 'run sample…

Pack3.9k429kTesting

dotnet

Skills

73
dotnet

create-skill-test

Scaffolds eval.yaml evaluation specs for skills, custom agents, and redistributable gh-aw workflow packages in the dotnet/skills repository. Use when creating skill or workflow-package…

Pack5.9k439kTesting

antfu

Skills

72
antfu

vitest

Vitest fast unit testing framework powered by Vite with Jest-compatible API. Use when writing tests, mocking, configuring coverage, or working with test filtering and fixtures.

Pack6.1k387kTesting

wondelai

Skills

71
wondelai

cro-methodology

Audit websites and landing pages for conversion issues and design evidence-based A/B tests. Use when the user mentions "landing page isnt converting", "conversion rate", "A/B test", "why…

Pack2.7k335kMarketing

wondelai

Skills

71
wondelai

design-sprint

Run a structured 5-day process to prototype, test, and validate product ideas with real users. Use when the user mentions "design sprint", "validate before we build", "rapid prototype"…

Pack2.7k335kDesign

aaron-he-zhu

Aaron Marketing Skills

70
aaron-he-zhu

ad-test-designer

Use when the user asks to "design an A/B test", "set up a creative/landing test", "run an incrementality test", or "is this result statistically and practically material?"; produces a…

Pack3.1k142kMarketing

aaron-he-zhu

Aaron Marketing Skills

70
aaron-he-zhu

conversion-signal-qa

Use when the user asks to "QA my conversion tracking before launch", "check my UTMs / pixel / event firing", "set up a tracking pre-flight", or "set the dedup rule so Meta and Google stop…

Pack3.1k142kMarketing

deanpeters

Product Manager Skills

70
deanpeters

derisk-measurement-advisor

Identify what to measure, test, or track to de-risk a product or AI idea. Use when stress-testing an idea across internal (DUFV) and external (PESTEL) dimensions.

Pack8k164kProduct management
69
daymade

frontend-visual-qa

Audits rendered UI and specific task/object-link handoffs; excludes ordinary source citations alone. Audits already-rendered UI and Markdown/Obsidian image layout — web app, deck/slide…

Pack1.5k89kDesign
69
daymade

llm-eval-harness

Tests/benchmarks a third-party LLM endpoint (OpenAI- or Anthropic-compatible): availability, fidelity, speed, concurrency, protocol compliance, quality regression. Use before hand-rolling a…

Pack1.5k89kAI engineering

browserbase

Skills

68
browserbase

ui-test

AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility…

Pack3.8k41kDesign
67
appeeky

ab-test-store-listing

When the user wants to A/B test App Store product page elements to improve conversion rate. Also use when the user mentions "A/B test", "product page optimization", "test my screenshots"…

Pack2.3k115kTesting
67
jeremylongshore

abridge-ci-integration

Build a synthetic-data CI gate for customer-controlled Abridge integration code without calling undocumented vendor interfaces. Use when adding regression checks to an Abridge deployment…

Pack2.9k57kAutomation
67
MengTo

build-game-camera-controls

Implement or tune Three.js game cameras. Use for isometric framing, follow behavior, orbit/zoom limits, occlusion, lock-on, camera shake, touch camera controls, and camera regression tests.

Pack7.4k246kGame development
67
kaankiziltug

logo-design

Professional logo and brand-mark design, from brief to production files. Guides discovery and the design brief, concept generation, choosing a mark type (wordmark, monogram, letterform…

6.5k2.2kDesign
67
appeeky

paywall-optimization

When the user wants to design, test, or optimize their app's paywall — layout, copy, pricing display, trial offers, plan structure, hard vs soft paywall, paywall placement, or paywall A/B…

Pack2.3k115kMarketing
66
jeremylongshore

abridge-hello-world

Run a bounded Abridge smoke test through the documented user workflow using an approved test encounter and no invented API. Use when validating a new tenant or pilot cohort. Trigger with…

Pack2.9k57kTesting
66
appeeky

app-icon-optimization

When the user wants to design, test, or improve their app icon to increase tap-through rate and conversions in App Store search and browse. Use when the user mentions "app icon", "icon…

Pack2.3k115kImages & art

vuejs-ai

Skills

66
vuejs-ai

vue-testing-best-practices

Use for Vue.js testing. Covers Vitest, Vue Test Utils, component testing, mocking, testing patterns, and Playwright for E2E testing.

Pack3.3k164kTesting
65
Callstack

dogfood

Systematically explore and test a mobile app on iOS/Android with agent-device to find bugs, UX issues, and other problems. Use when asked to "dogfood", "QA", "exploratory test", "find…

Pack1.7k99kMobile

hashicorp

Agent Skills

65
hashicorp

provider-test-patterns

Terraform provider acceptance test patterns using terraform-plugin-testing with the Plugin Framework. Covers test structure, TestCase/TestStep fields, ConfigStateChecks with custom…

Pack92583kTesting
65
Callstack

react-native-testing

Write tests using React Native Testing Library (RNTL) v13 and v14 (`@testing-library/react-native`). Use when writing, reviewing, or fixing React Native component tests. Covers: render…

Pack1.7k99kTesting

jezweb

Claude Skills

65
jezweb

responsiveness-check

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

Pack1.1k143kTesting

hashicorp

Agent Skills

65
hashicorp

terraform-test

Comprehensive guide for writing and running Terraform tests. Use when creating test files (.tftest.hcl), writing test scenarios with run blocks, validating infrastructure behavior with…

Pack92583kDevOps

majidmanzarpour

Threejs Game Skills

65
majidmanzarpour

threejs-qa-release

Verify and release Three.js browser games: playtest QA, automated bot playtests, mobile and responsive checks, production builds, static-hosting base paths, debug gating, bundle review…

Pack2.8k33kGame development

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.

Built a testing skill? Get it ranked.

Submit a skill