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.
83 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…
192k3.8MScore 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.
321k33MScore 92 - 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.
321k33MScore 91 - 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…
321k33MScore 91 - 5#5
Jesse Vincent
Superpowers
Jesse Vincent
Test Driven Development
Use when implementing any feature or bugfix, before writing implementation code
316k3.9MScore 90 - 6#6
Anthropic
Skills
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…
192k3.8MScore 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…
301k1.7MScore 89 - 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…
301k1.7MScore 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…
60k6.3MScore 88 - 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.
301k1.7MScore 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 83 testing skills.
Expo
Skills
expo-skill-eval
Evaluate Expo skills in this repo end-to-end - trigger accuracy, generated code quality, and runtime screenshots on iOS simulator and Android emulator via Expo Go (web optional). Use when…

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…
Jeffallan
Claude Skills
nestjs-expert
Creates and configures NestJS modules, controllers, services, DTOs, guards, and interceptors for enterprise-grade TypeScript backend applications. Use when building NestJS REST APIs or…
Jeffallan
Claude Skills
monitoring-expert
Configures monitoring systems, implements structured logging pipelines, creates Prometheus/Grafana dashboards, defines alerting rules, and instruments distributed tracing. Implements…
character-animation-qa
Review local character animation with schema checks, Playwright browser previews, frame sampling, and FFmpeg/ffprobe final output checks.

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…

godot-gdscript-headless-testing
Run GDScript test suites from the command line with `godot --headless`, using a SceneTree/MainLoop runner script that exits non-zero on failure so CI can gate merges. Use when a Godot…
Jeffallan
Claude Skills
golang-pro
Implements concurrent Go patterns using goroutines and channels, designs and builds microservices with gRPC or REST, optimizes Go application performance with pprof, and enforces idiomatic…
Cloudflare
Security Audit Skill
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…

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 ×…

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…

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…
wondelai
Skills
clean-code
Write readable, maintainable code through disciplined naming, small functions, and clean error handling. Use when the user mentions "clean up this code", "this function is too long", "code…
wondelai
Skills
continuous-discovery
Build a weekly cadence of customer touchpoints using Opportunity Solution Trees, assumption mapping, and interview snapshots. Use when the user mentions "continuous discovery", "opportunity…
wondelai
Skills
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…
deanpeters
Product Manager Skills
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.
Hugging Face
Skills
huggingface-best
Use when the user asks about finding the best, top, or recommended model for a task, wants to know what AI model to use, or wants to compare models by benchmark scores. Triggers on: "best…

scenario-model-comparison
Use when comparing Scenario models on the same brief through MCP: a bake-off with shared prompts and inputs, cost, generation time and quality measured side by side, choosing a default…

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…

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…
Jakeschincariol
Replica Skill
replica-diff
Compares an app clone against the original: a feature parity score from the feature matrix (weighted by must, should, could) with the missing list in build order, plus a screenshot layout…
Jakeschincariol
Replica Skill
replica-test
Clicks through every flow of an app clone and tests it for bugs: a test plan generated from the recon flows with happy paths and edge cases, Playwright end-to-end tests where possible, a…

design-qa
Set up or run design QA gates for token + hardcoded-value lint, automated a11y (axe), contrast, visual regression across variants/states/themes/RTL, and the manual a11y checklist. Use when…
michaelshimeles
Rstack
evidence-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 —…

prototype
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…
jtydhr88
Screenwriting Skills
sw-premise-theme
Premise, theme, controlling idea, subject selection and logline for scripts (前提/主题/立意/选材/戏核) — merged from Lajos Egri's premise-as-tyrant and dialectic, Robert McKee's controlling idea…
jtydhr88
Screenwriting Skills
sw-series-engine-bible
From an idea to a sellable series design; series engine / franchise, story pattern, character webs that keep generating conflict, pilot types, and the documents that sell them…
lawve-ai
Awesome Legal Skills
ambiguity-stress-test
Adversarially stress-tests a legal text — a contract, statute, regulation, or judicial opinion — for interpretive ambiguity: it finds the seams where the people governed by it will later…

ecommerce-ab-testing
Master A/B testing for e-commerce across all platforms. Test product pages, pricing, ads, emails, and checkout flows with statistical rigor to maximize conversion and revenue.

e2e-seo-assistant
Full SEO workflow covering technical audits, content gaps, backlink opportunities, on-page fixes, and content briefs. Use when given a site and target keywords to get complete SEO analysis…

ab-test-analyzer
Statistical significance calculator for A/B test results with sample size requirements, segment breakdowns, and hypothesis generation. Use when feeding test results, checking statistical…
Affitor
Affiliate Skills
ab-test-generator
Generate A/B test variants for affiliate content. Triggers on: "create A/B test", "test my headline", "optimize my CTA", "generate variants", "split test ideas", "improve click-through…
growthenginenowoslawski
Coldoutboundskills
deliverability-test-public
Compare reply rates, bounce rates, and positive reply rates broken down by inbox type (SMTP / Gmail / Outlook) for a Smartlead account. Use when you want to know "which inbox type delivers…
Cold-IQ
ColdIQ S GTM Skills
email-metrics-benchmarks
Email metrics to track, 2X levers, and structure checklist for cold outreach. Use when analyzing campaign performance, setting benchmarks, or optimizing email metrics.
omd-final-qa
출간 ready 직전 read-only critic. 8-item rubric 강제. 'looks good' rubber-stamp 금지. 라인 ref 필수. 2-round revision hard cap. '최종 QA', '출간 검수', 'rubric으로 평가' 류 트리거.

ab-test-setup-and-analysis
Designs statistically valid split tests for ads, audiences, landing pages, or bid strategies. Calculates required sample sizes before you start, monitors results during the test, and calls…
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