Q
Quality Assurance Career Development Resources
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Nineteen open-licensed agent skills let an AI agent test a web app the way a person would: write the test first, open a real browser, click through the flows and report what broke. They come from Vercel Labs' agent-browser, Tech Leads Club, Anthropic, Matt Pocock, Jesse Vincent and lackeyjb.
All 19 are packaged as the QA & Testing plugin in Cuttlefish.MD, HackerNoon's license-checked skills marketplace. They follow the open Agent Skills standard, so they run in Claude Code, Codex CLI and 30+ other tools, and each is indexed in HackerNoon's SKILL.md Library.
For Codex CLI, Cursor or another agent that supports the standard, clone the repo and copy
Each skill keeps its license and an
All 19 are packaged as the QA & Testing plugin in Cuttlefish.MD, HackerNoon's license-checked skills marketplace. They follow the open Agent Skills standard, so they run in Claude Code, Codex CLI and 30+ other tools, and each is indexed in HackerNoon's SKILL.md Library.
The 19 QA and testing skills
| Skill | What it does | Author |
|---|---|---|
| agent-browser | A browser automation CLI built for AI agents | Vercel Labs |
| agentcore | Runs agent-browser on AWS Bedrock AgentCore cloud browsers | Vercel Labs |
| chrome-devtools | Debugs, profiles and automates the browser through the Chrome DevTools MCP server | Tech Leads Club |
| core | The core agent-browser usage guide | Vercel Labs |
| demo | Records a demo video of a feature on a real desktop with a real cursor | Tech Leads Club |
| derive-client | Records browser traffic to reverse-engineer a site's internal API and generate a client | Vercel Labs |
| dogfood | Explores a web app systematically to find bugs and UX problems | Vercel Labs |
| electron | Automates Electron desktop apps such as VS Code, Slack and Figma | Vercel Labs |
| playwright-skill | Full browser automation with Playwright | lackeyjb |
| playwright-skill | Tech Leads Club's packaging of Playwright browser automation | Tech Leads Club |
| protected-vercel-deployments | Tests Vercel deployments behind SSO or Deployment Protection | Vercel Labs |
| slack | Works in Slack workspaces through browser automation | Vercel Labs |
| spec-driven-eval | Grades how completely an implementation meets its PRD, case by case | Tech Leads Club |
| tdd | Builds features and fixes bugs test-first, red-green-refactor | Matt Pocock |
| test-driven-development | Writes the failing test before any implementation code | Jesse Vincent |
| tlc-spec-driven | Plans and builds features in four phases: specify, design, tasks, execute | Tech Leads Club |
| vercel-sandbox | Runs agent-browser and Chrome inside Vercel Sandbox microVMs | Vercel Labs |
| webapp-testing | Tests local web apps with Playwright | Anthropic |
| webmcp-gen | Builds and validates experimental WebMCP tools for a page | Vercel Labs |
Install all 19 in one command
Code:
/plugin marketplace add hackernoon/cuttlefish-agent-skills
/plugin install qa-testing@cuttlefishFor Codex CLI, Cursor or another agent that supports the standard, clone the repo and copy
plugins/qa-testing/skills/ into your agent's skills folder, such as .agents/skills/. The agent-browser skills need Vercel's agent-browser CLI installed.Each skill keeps its license and an
ATTRIBUTION.md naming its author and source commit. Browse the full library at hackernoon.com/skills, and star Cuttlefish.MD on GitHub.