Best Testing & QA agent skills

Systematic Debugging

obra/superpowers

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

Active · last commit Oct 21, 2026

Test Driven Development

obra/superpowers

Use when implementing any feature or bugfix, before writing implementation code.

Active · last commit Oct 21, 2026

Verification Before Completion

obra/superpowers

Use when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and confirming output before making any success claims…

Active · last commit Oct 21, 2026

Finishing A Development Branch

obra/superpowers

Use when implementation is complete, all tests pass, and you need to decide how to integrate the work.

Active · last commit Oct 21, 2026

Diagnosing Superpowers

obra/superpowers

Use when a superpowers session went wrong and your human partner wants to know why — repeated work, ignored plans, stumbles, poor results, a skill that didn't fire, "it took too long", "why is it so…

Active · last commit Oct 21, 2026

TDD

mattpocock/skills

Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.

Active · last commit Oct 19, 2026

Diagnosing Bugs

mattpocock/skills

Diagnosis loop for hard bugs and performance regressions.

Active · last commit Oct 19, 2026

Setup Pre Commit

mattpocock/skills

Set up Husky pre-commit hooks with lint-staged (Prettier), type checking, and tests in the current repo.

Active · last commit Oct 19, 2026

Scaffold Exercises

mattpocock/skills

Create exercise directory structures with sections, problems, solutions, and explainers that pass linting.

Active · last commit Oct 19, 2026

Migrate To Shoehorn

mattpocock/skills

Migrate test files from as type assertions to @total-typescript/shoehorn.

Active · last commit Oct 19, 2026

Skill Creator

anthropics/skills

Create new skills, modify and improve existing skills, and measure skill performance.

Maintained · last commit Oct 9, 2026

Webapp Testing

anthropics/skills

Toolkit for interacting with and testing local web applications using Playwright.

Maintained · last commit Oct 9, 2026

Next Cache Components Optimizer

vercel/next.js

Optimize the meaningful UI available immediately from a Next.js route on an initial load (hard navigation) or named client-side navigation (soft navigation).

Active · last commit Oct 26, 2026

Browser Use

browser-use/browser-use

Direct browser control via CDP for web interaction: automation, scraping, testing, screenshots, and site/app work.

Active · last commit Oct 22, 2026

QA

browser-use/browser-use

QA-test a website or web app and return a 1-5 quality score (5 = flawless, 1 = broken) with evidence.

Active · last commit Oct 22, 2026

Surgical Patch

JuliusBrussee/caveman

Fix bugs and small behavior changes at the narrowest responsible layer.

Active · last commit Oct 25, 2026

Debugging And Error Recovery

addyosmani/agent-skills

Guides systematic root-cause debugging. Use when tests fail, builds break, something that worked yesterday broke, behavior doesn't match expectations, or you encounter any unexpected error.

Active · last commit Oct 13, 2026

Test Driven Development

addyosmani/agent-skills

Drives development with tests using the red-green-refactor loop.

Active · last commit Oct 13, 2026

Interview Me

addyosmani/agent-skills

Extracts what the user actually wants instead of what they think they should want.

Active · last commit Oct 13, 2026

Idea Refine

addyosmani/agent-skills

Refines raw ideas into sharp, actionable concepts through structured divergent and convergent thinking.

Active · last commit Oct 13, 2026

Agent Browser

paperclipai/paperclip

Drive a real browser to inspect or interact with a web page or app — navigate, take screenshots, read console and network, fill simple forms — for verification tasks, not unattended automation.

Active · last commit Oct 26, 2026

QA Acceptance

paperclipai/paperclip

Produce QA acceptance criteria and a manual validation plan for a feature change — golden path, edge cases, error states, performance limits, and explicit pass/fail evidence.

Active · last commit Oct 26, 2026

Orca Per Workspace Env

stablyai/orca

Set up, review, debug, or validate an Orca per-workspace environment recipe: the on-demand, disposable runtime (cloud sandbox, VM, SSH host, or local container) Orca creates fresh for each workspace.

Active · last commit Oct 26, 2026

Mode Creator

thedotmack/claude-mem

Interactively create, install, activate, and verify custom claude-mem modes, including domain-specific observation types, concept tags, optional Telegram alerts, bot setup, worker restart, and…

Active · last commit Oct 25, 2026

Version Bump

thedotmack/claude-mem

Automated semantic versioning and release workflow for Claude Code plugins.

Active · last commit Oct 25, 2026

Ruview Hardware Setup

ruvnet/RuView

ESP32-S3 / ESP32-C6 firmware build, flash, WiFi provisioning, and serial monitoring for RuView CSI sensing nodes.

Active · last commit Oct 22, 2026

Ruview Verify

ruvnet/RuView

Verify a RuView build — full Rust workspace tests, the deterministic Python pipeline proof (SHA-256 Trust Kill Switch), firmware hash manifest, and the ADR-028 witness bundle with one-command…

Active · last commit Oct 22, 2026

Browser Screenshot Diff

ruvnet/ruflo

Visual + DOM diff between two recorded sessions at matching trajectory step ids; used for visual regression and replay verification.

Active · last commit Oct 26, 2026

Check Understanding

rohitg00/ai-engineering-from-scratch

Phase quiz for AI Engineering from Scratch.

Active · last commit Oct 23, 2026

Course Guide

rohitg00/ai-engineering-from-scratch

Topic router for the AI Engineering from Scratch curriculum.

Active · last commit Oct 23, 2026

Find Your Level

rohitg00/ai-engineering-from-scratch

Interactive quiz that maps your AI/ML knowledge to a starting point in the 523-lesson, 20-phase AI Engineering from Scratch curriculum.

Active · last commit Oct 23, 2026

Isometric Explainer

rohitg00/ai-engineering-from-scratch

Builds an interactive isometric machine page.

Active · last commit Oct 23, 2026

Creating Financial Models

anthropics/claude-cookbooks

This skill provides an advanced financial modeling suite with DCF analysis, sensitivity testing, Monte Carlo simulations, and scenario planning for investment decisions.

Maintained · last commit Oct 24, 2026

Cherry Browser

CherryHQ/cherry-studio

Control the user's visible Agent browser: navigate, click, type, screenshot, debug.

Active · last commit Oct 26, 2026

Mobile Native

emilkowalski/skills

Make a web app feel native on a phone — the small CSS and meta-tag fixes that separate "a website in a browser" from something that feels installed.

Maintained · last commit Oct 11, 2026

Agent Browser

vercel-labs/agent-browser

Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web…

Active · last commit Oct 26, 2026

Dogfood

vercel-labs/agent-browser

Systematically explore and test a web application to find bugs, UX issues, and other problems.

Active · last commit Oct 26, 2026

JavaScript Testing Patterns

wshobson/agents

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development.

Maintained · last commit Oct 17, 2026

Agentic Eval

github/awesome-copilot

Patterns and techniques for evaluating and improving AI agent outputs.

Maintained · last commit Oct 26, 2026

Strategy Red Team

phuryn/pm-skills

Red-team a PRD, roadmap, or strategy by attacking its load-bearing assumptions before reality does.

Active · last commit Oct 16, 2026

Test Scenarios

phuryn/pm-skills

Create comprehensive test scenarios from user stories with test objectives, starting conditions, user roles, step-by-step actions, and expected outcomes.

Active · last commit Oct 16, 2026

Agent Platform Troubleshooting

google/skills

Troubleshoots Google Cloud Gemini Enterprise Agent Platform issues (Agent Gateway, Registry, Identity, Policies, Model Armor, Identity-Aware Proxy (IAP)).

Maintained · last commit Oct 25, 2026

Ego Browser

citrolabs/ego-lite

When you need a browser, read this Skill by default.

Active · last commit Oct 26, 2026

Evaluation

muratcankoylan/Agent-Skills-for-Context-Engineering

This skill should be used when building agent evaluation systems: deterministic checks, regression suites, multi-dimensional rubrics, quality gates, production monitoring, baseline comparison, and…

Active · last commit Oct 12, 2026

Wiki Lint

AgriciDaniel/claude-obsidian

Run a deterministic, read-only health check on an Obsidian wiki.

Active · last commit Oct 22, 2026

Playwright CLI

microsoft/playwright-cli

Automate browser interactions, test web pages and work with Playwright tests.

Active · last commit Oct 19, 2026

Dev Browser

MemTensor/MemOS

Browser automation with persistent page state.

Active · last commit Oct 23, 2026

Debugging Wizard

Jeffallan/claude-skills

Parses error messages, traces execution flow through stack traces, correlates log entries to identify failure points, and applies systematic hypothesis-driven methodology to isolate and resolve bugs.

Active · last commit Oct 26, 2026