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
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
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
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
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
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.
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…
affaan-mbrowser-qa
Run automated post-deploy UI verification with a browser automation MCP (claude-in-chrome, Playwright, or Puppeteer): console-error and Core Web Vitals smoke checks, form and auth-flow…
affaan-mcanary-watch
Use this skill to monitor and verify a deployed URL after releases — checks HTTP endpoints, SSE streams, static assets, console errors, and performance regressions after deploys, merges, or…
affaan-mbenchmark-optimization-loop
Convert 'make it faster' requests into a bounded measured optimization loop — baseline first, generate one-hypothesis variants, benchmark each against a correctness gate, and promote the…
phurynab-test-analysis
Analyze A/B test results with statistical significance, sample size validation, confidence intervals, and ship/extend/stop recommendations. Use when evaluating experiment results, checking…
phuryntest-scenarios
Create comprehensive test scenarios from user stories with test objectives, starting conditions, user roles, step-by-step actions, and expected outcomes. Use when writing QA test cases…
wondelai
Skills
wondelaidesign-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"…
wondelai
Skills
wondelaiimprove-code-quality
Guided journey from a working-but-untested vibe-coded prototype to a production-ready product with tests, clean structure, a business-rules boundary, and resilience at scale. Orchestrates…
wondelai
Skills
wondelailean-analytics
Choose and audit startup metrics using Croll and Yoskovitz's "Lean Analytics". Use when the user mentions "what metrics should we track", "KPIs", "north star metric", "One Metric That…
wondelai
Skills
wondelailean-startup
Design MVPs, validated learning experiments, and pivot-or-persevere decisions using Build-Measure-Learn. Use when the user mentions "MVP scope", "validated learning", "pivot or persevere"…
irinabuht12-ossperformance-benchmarking
Compares your key metrics against industry benchmarks for your specific vertical, campaign type, and platform. Tells you where you're ahead, where you're behind, and where there's room to…
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