Best Testing & Debugging Skills for Claude Code

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

Flaky Test Detective for AI Coding Agents

by Shandra

$9.99/mo

Diagnoses unreliable tests, identifies root causes, creates stabilization plans, and generates safe AI coding prompts for fixing flaky unit, integration, E2E, and CI tests.

Bypass OS-native file upload dialogs in browser automation using JavaScript interception and DataTransfer injection.

Diagnoses why your project will not start. Checks runtime versions, dependencies, environment variables, databases, ports, and build artifacts systematically.

Git History Archaeologist

by Edric Vale

Free

Excavate git history: blame forensics, reverted-change recovery, and commit narrative reconstruction.

Automated test generation with edge case analysis and framework-native syntax for TS, Python, Go, and Rust.

Generate realistic JSON or CSV test data from plain-English schema descriptions with up to 1,000 rows.

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

Windows Desktop Automation Architect for AI Coding Agents

by Shandra

$9.99

Designs robust Windows desktop automation workflows using pywinauto, UI Automation, hotkeys, image matching, OCR, retries, logging, screenshots, and safety controls.

shift left

by Matthew King

$5

Risk analysis reporting and software test prioritisation

Convert plain English into tested regex patterns and explain existing ones across multiple language flavors.

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

Bypass Cloudflare WAF, reCAPTCHA v3, and Vue.js bot detection in one skill.

Accessibility Bug Hunter for AI Coding Agents

by Shandra

$9.99

Finds accessibility problems in UI code and turns them into prioritized fixes, WCAG-aware checklists, test plans, remediation tickets, and safe AI coding prompts.

robot to playwright converter

by Matthew King

Free

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

Bug Reproduction Kit Builder for AI Coding Agents

by Shandra

$9.99

Turn vague bug reports into structured reproduction kits, diagnostic plans, and precise AI coding prompts.

🧪 Webapp Tester

by JustHandled Labs

$15

Run real Playwright E2E tests on your web app: login, checkout, and form flows across desktop and mobile viewports, with screenshots, traces, and console logs captured on every failure. Catches broken flows and UI regressions before release, and tells you the likely fix, not just that something broke.

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

slice guard

by Roy Yuen

$7

Enforce small, verified, and rollback-safe code increments to prevent AI scope creep and broken builds.

Node Debug Inspector

by Edric Vale

Free

Attach to a Node.js process through the V8 inspector protocol and drive breakpoints, stack walks, and variable dumps with zero extra dependencies. Use when a No

root cause debugger

by Roy Yuen

$6

An evidence-first debugging workflow for agents to identify, reproduce, and surgically fix software defects.

A11Y Audit Runner

by Edric Vale

Free

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

Instantly diagnose and fix why your AI agent skills aren't triggering when they should.

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