webapp-testing
Playwright-based UI testing
Install webapp-testing
npx skills add anthropics/skills --skill webapp-testing Skills install into ~/.claude/skills/ and load on demand. Other SKILL.md tools (Cursor, Codex, Gemini CLI) use the same files.
What it does
Drive a real browser with Playwright to verify UI flows, catch visual regressions and debug web apps. Official Anthropic skill — needs a browser, so it reaches the network at runtime.
- E2E testing
- visual regression
- UI debugging
Trust & safety
Score 80/100 · High trust- Published by Anthropic in the official skills repo.
- Manually reviewed and verified by Loadout.
- Reaches the network at runtime — check what it talks to.
- Ships executable scripts — read them before first run.
Heuristic signal based on provenance and capabilities — not a security audit. Always review a skill’s SKILL.md and scripts before first run.
Scan any SKILL.md yourself →Works with
- Claude Code
- Cursor
- Codex CLI
Pairs well with these MCP servers
Skills bring the know-how; MCP servers bring the connections.
Related skills
FAQ — webapp-testing skill
What does the webapp-testing skill do?
Drive a real browser with Playwright to verify UI flows, catch visual regressions and debug web apps. Official Anthropic skill — needs a browser, so it reaches the network at runtime.
How do I install the webapp-testing skill?
Run: npx skills add anthropics/skills --skill webapp-testing. Or git clone the repo into ~/.claude/skills/. Skills load automatically when relevant — no extra config.
Which agents support webapp-testing?
It reads the SKILL.md standard, so it works with Claude Code, Cursor, Codex CLI.
Is the webapp-testing skill safe to run?
High trust (trust score 80/100). Published by Anthropic in the official skills repo. Manually reviewed and verified by Loadout. Reaches the network at runtime — check what it talks to. Ships executable scripts — read them before first run.