Best Testing & QA agent skills

Systematic Debugging

obra/superpowers

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

Test Driven Development

obra/superpowers

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

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…

Finishing A Development Branch

obra/superpowers

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

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…

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.

Diagnosing Bugs

mattpocock/skills

Diagnosis loop for hard bugs and performance regressions.

Setup Pre Commit

mattpocock/skills

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

Scaffold Exercises

mattpocock/skills

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

Migrate To Shoehorn

mattpocock/skills

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

Golang Testing

affaan-m/ECC

Go testing patterns including table-driven tests, subtests, benchmarks, fuzzing, and test coverage.

React Testing

affaan-m/ECC

React component testing with React Testing Library, Vitest/Jest, MSW for network mocking, accessibility assertions with axe, and the decision boundary between component tests and Playwright/Cypress…

Skill Creator

anthropics/skills

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

Webapp Testing

anthropics/skills

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

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).

iOS Clean

garrytan/gstack

Remove the DebugBridge SPM package and all #if DEBUG wiring from an iOS app.

iOS Sync

garrytan/gstack

Regenerate the iOS debug bridge against the latest upstream gstack templates.

Browser Use

browser-use/browser-use

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

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.

Surgical Patch

JuliusBrussee/caveman

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

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.

Interview Me

addyosmani/agent-skills

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

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…

Version Bump

thedotmack/claude-mem

Automated semantic versioning and release workflow for Claude Code plugins.

Ruview Hardware Setup

ruvnet/RuView

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

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…

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.

Browser Screenshot Diff

ruvnet/ruflo

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

Browser Test

ruvnet/ruflo

UI test recipe -- composes browser-record (capture) + browser-replay (verify) so every test produces a replayable RVF artifact, not an ephemeral run.

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.

Cherry Browser

CherryHQ/cherry-studio

Interact with the user's visible Agent browser in Cherry Studio.

Active Directory Attacks

sickn33/agentic-awesome-skills

Provide comprehensive techniques for attacking Microsoft Active Directory environments.

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…

Dogfood

vercel-labs/agent-browser

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

Python Testing Patterns

wshobson/agents

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development.

GitHub Issues

github/awesome-copilot

Create, update, and manage GitHub issues using MCP tools.

Agentic Eval

github/awesome-copilot

Patterns and techniques for evaluating and improving AI agent outputs.

Memory Discipline

rohitg00/agentmemory

The session loop that makes agentmemory pay off, recall before starting work, save at decision points, learn from corrections.

Agentmemory Hooks

rohitg00/agentmemory

The agentmemory plugin hooks that capture observations automatically across the agent session lifecycle.

Strategy Red Team

phuryn/pm-skills

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

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.

Web3 Bug Classes

tradecatlabs/vibe-coding-cn

Complete reference for all 10 DeFi smart contract bug classes.

Ego Browser

citrolabs/ego-lite

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

Wiki Lint

AgriciDaniel/claude-obsidian

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

Playwright CLI

microsoft/playwright-cli

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

Chaos Engineer

Jeffallan/claude-skills

Designs chaos experiments, creates failure injection frameworks, and facilitates game day exercises for distributed systems — producing runbooks, experiment manifests, rollback procedures, and…

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.

Dev Browser

MemTensor/MemOS

Browser automation with persistent page state.