Best Testing & QA Skills for Claude Code

Build and curate high-quality prompt datasets for fine-tuning and eval — deduped and labeled.

A systematic 4-phase debugging framework to find root causes, eliminate flaky tests, and prevent regressions.

Turn OpenAPI specs into exhaustive, framework-ready test suites covering happy paths, edge cases, and security gaps.

Systematic runtime bug detection and automated patching for Firebase, Next.js, and Vercel stacks.

rf seleniumlib to browser lib

by Matthew King

Free

SeleniumLibrary is the flakiest part of your Robot Framework suite. This skill swaps it for Browser library, structure intact

robot to playwright converter

by Matthew King

Free

Most 'migrations' rewrite your tests from scratch. This one maps your existing keywords and locators automatically.

Scored WCAG 2.2 accessibility audits with prioritized, copy-paste fix snippets for any webpage.

High-precision test gap analysis that prioritizes untested code by risk and identifies missing edge cases.

shift left

by Matthew King

$5

Risk analysis reporting and software test prioritisation

A rigorous 5-phase debugging framework to systematically reproduce, isolate, and resolve complex software bugs.

Select the smallest honest verification set for a change, including targeted tests, manual checks, missing-test recommendations, a broader fallback, and named remaining risk.

tdd coach

by Matthew King

Free

Most 'TDD' skips the failing test. This mentor enforces Red before Green, even on legacy code.

Paste your Python code and get a plain-English test report — what works, what doesn't, what's unfinished, and exactly what to do next.

carnegie quality strategy

by Matthew King

Free

Most quality strategies are generic templates nobody follows. This one is built from your actual repo

Accessibility Scanner

by Martin Gunderman

$7

Automatically detect accessibility issues in websites and applications following WCAG and accessibility standards.

Developers waste time re-explaining their project to AI agents every session.

🧪 Test Quality Auditor

by JustHandled Labs

$15

Find the unit tests that pass without testing anything. Flags tests with no assertions, trivial existence-only checks (toBeDefined, assertIsNotNone), tests that assert the exact value they just mocked, snapshot-only tests, tautological assertions (expect(true).toBe(true)), empty placeholders, and over-mocked tests with more setup than assertions. Works on Jest/Vitest and pytest/unittest.

TDD Loop Master

by Arnstein Larsen

Free

Enforce strict Red-Green-Refactor discipline to build robust, test-driven software with 100% meaningful coverage.

Toutour — Verified Onboarding Tours for Any Website

by 葉淨維

Free

Analyzes your site's layout and UI, interviews you about preferences, then generates AND Playwright-verifies a spotlight onboarding tour — accessible, i18n-ready, colorblind-safe, MIT.

Automatically triage test failures, detect cascading root causes, and get prioritized fix suggestions across 10+ languages.

Windows Automation Pre Flight Check

by SkillForge

Free

Prevent flaky Windows automation by enforcing robust UI identity, conditional waits, and safety guards.

WordPress Launch QA Gate

by Arnstein Larsen

$29.99

Turns Claude into a senior WordPress launch reviewer that audits a site, theme, or plugin against the entire pre-launch standard across 7 weighted domains and returns one objective go/no-go decision with a scored blocker list.

Systematic Bug Debugger

by Arnstein Larsen

Free

Stop guessing and start solving with hypothesis-driven debugging for complex, intermittent, and production-only bugs.

agent skill regression tester

by Timoranjes

Free

Teaches AI coding agents to build and run automated regression tests for SKILL.md files. When you update a skill that your team depends on, you need to know it still works — not just that it "looks ri

Unit & Integration Test Generator

by PubsProToolkit

Free

Generate a real test suite for any function, module, or file — meaningful edge cases, error paths, boundary conditions, and proper mocks, not happy-path stubs. Detects your project's framework and conventions, plans the cases deliberately before writing, and hands back runnable tests plus a summary of what's covered. Built to write the tests that actually catch bugs.

Pre-launch accessibility audit. WCAG 2.2 AA/AAA, ADA/EAA, 70+ checks, axe-core. VPAT/ACR report for procurement.

Convert a plain-English user flow plus a route/component map into a runnable Playwright, Cypress, or Detox test file wit

Root Cause Analysis Assistant

by PubsProToolkit

Free

Turn an error, stack trace, and logs into a structured root-cause diagnosis — reconstructed failure, ranked hypotheses with evidence, the most likely cause, and the cheapest next diagnostic or fix. The disciplined pass a senior engineer runs, instead of scattershot guess-and-check.

Stop guessing and start proving: Force your AI agent to provide verifiable execution logs for every 'done' claim.

Code Regression Risk Analyzer

by heyhridyansh

Free

Analyze code changes to map dependency blast radius, identify breaking contract changes, and score deployment risk.

Api Sla Monitor

by Echo Rose

$7.99

Api Sla Monitor - A Premium AI Agent Skill

AI Generated Code Verification Agent

by Shandra

$7.99

Audit AI-generated code for hallucinations, security flaws, and architectural drift before you merge.

Playwright Test Failure Debugger

by heyhridyansh

$9.99

Diagnose flaky, timed-out, or CI-only Playwright test failures using traces and logs.