Skills catalogue / Building and code
webapp-testing
Tests a locally running web app in a real browser with Playwright and reports what breaks.
- Check level
- Listed
- Contains
- Includes scripts
- Source
- anthropics/skills
- Licence
- See repository
- Last checked
- 2026-10-21
What it does
Lets a coding agent start your local web app, open it in a headless browser, click through it, take screenshots and read console errors.
Good for
Developers who want the agent to check its own front-end changes before calling them done.
Before you install
Listed, not yet reviewed by us. It includes scripts and starts a browser and local servers on your machine; run it in a project folder, not your home directory.
Install
npx skills add https://github.com/anthropics/skills --skill webapp-testing
npx skills add https://github.com/anthropics/skills --skill webapp-testing