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.
Anthropic
Skills
Anthropicskill-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…
Matt Pococktdd
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
Matt Pocockmigrate-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.
Matt Pococksetup-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…
Jesse Vincent
Superpowers
Jesse Vincenttest-driven-development
Use when implementing any feature or bugfix, before writing implementation code
Anthropic
Skills
Anthropicwebapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and…
affaan-mai-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…
affaan-mbenchmark-methodology
Score a scoped competitor set into comparable profile cards: nine weighted dimensions (positioning, voice, visual craft, offer packaging, evidence, enterprise-readiness, thought leadership…
Corey Haines
Marketingskills
Corey Hainesab-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…
affaan-magent-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.
Corey Haines
Marketingskills
Corey Hainescro
When the user wants more conversions from a page or form, or asks why a page isn't converting, what to change first, or whether to add or remove a field or element: landing and pricing…
Corey Haines
Marketingskills
Corey Hainesmarketing-loops
When the user wants a recurring marketing job an AI agent runs on a cadence or trigger, or asks what a weekly or daily automated check should do, remember, and when it should stop: SEO and…
Addy Osmaniidea-refine
Refines raw ideas into sharp, actionable concepts through structured divergent and convergent thinking. Use when an idea is still vague, when you need to stress-test assumptions before…
GitHub
Awesome Copilot
GitHubarize-dataset
Creates, manages, and queries Arize datasets and examples. Covers dataset CRUD, appending examples, exporting data, and file-based dataset creation using the ax CLI. Use when the user needs…
GitHub
Awesome Copilot
GitHubarize-experiment
Creates, runs, and analyzes Arize experiments for evaluating and comparing model performance. Covers experiment CRUD, exporting runs, comparing results, and evaluation workflows using the…
Addy Osmanibrowser-testing-with-devtools
Tests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs in a browser. Use when you need to inspect the DOM, capture console errors, analyze network…
Shubhamsaboofirst-reader
Beta readers for any draft, run by simulating how a real reader experiences it, moment by moment. A skim gate, a no-lookahead timed read producing an attention transcript with quit points…
morlutorea-analysis-optimization
Optimize REA providers and shared analysis workflows for agent context, latency, CPU, and memory while preserving correctness and Evidence. Use for analysis bottlenecks and cache or query…
morlutorea-ci-tests-audit
Audit REA CI and test suites for correctness, fixture drift, false passes, and measured performance; use for suite or workflow investigations and efficiency changes, rather than ordinary…
wshobson
Agents
wshobsonscreen-reader-testing
Test web applications with screen readers including VoiceOver, NVDA, and JAWS. Use when validating screen reader compatibility, debugging accessibility issues, or ensuring assistive…
Addy Osmanitest-driven-development
Drives development with tests using the red-green-refactor loop. Use when implementing any logic, fixing any bug, or changing any behavior. Use when you need to prove that code works, when…
wshobson
Agents
wshobsonweb3-testing
Test smart contracts comprehensively using Hardhat and Foundry with unit tests, integration tests, and mainnet forking. Use when testing Solidity contracts, setting up blockchain test…
Garry Tan
Gstack
Garry Tanios-qa
Live-device iOS QA for SwiftUI apps. (gstack)
sickn33
Agentic Awesome Skills
sickn33ab-testing
When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program.
tt-a1itest-value
Improve test value and feedback cost when auditing slow, flaky, redundant or brittle tests; choosing tests during implementation; or reviewing test changes before a commit or PR. Keep…
Garry Tan
Gstack
Garry Tanqa
Use when you test the site, API or CLI and fix bugs. (gstack)
Anthropic
Claude Plugins Official
Anthropicskill-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…
JuliusBrusseesurgical-patch
Fix bugs and small behavior changes at the narrowest responsible layer. Use when regression proof, preserved surrounding behavior, and task-relevant tests matter.
sickn33
Agentic Awesome Skills
sickn33ab-test-setup
Use when designing an A/B or split test: define the hypothesis, control and variants, estimate sample size, verify tracking, and predeclare metrics and stopping rules.
wshobson
Agents
wshobsontemporal-python-testing
Test Temporal workflows with pytest, time-skipping, and mocking strategies. Covers unit testing, integration testing, replay testing, and local development setup. Use when implementing…
Garry Tan
Gstack
Garry Tanbenchmark-models
Cross-model benchmark for gstack skills. (gstack)
OpenAI
Skills
OpenAIhatch-pet
Create, repair, validate, visually QA, and package Codex-compatible animated pets and pet spritesheets from character art, generated images, company or prospect brand cues, or visual…
OpenAI
Skills
OpenAIplaywright
Use when the task requires automating a real browser from the terminal (navigation, form filling, snapshots, screenshots, data extraction, UI-flow debugging) via `playwright-cli` or the…
OpenAI
Skills
OpenAIplaywright-interactive
Persistent browser and Electron interaction through `js_repl` for fast iterative UI debugging.
Composiowebapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and…
Expo
Skills
Expoexpo-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…
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.
More in Build
Testing skills for your agent