webapp-testing
Official sourceTests and debugs local web apps with native Python Playwright scripts and a server-lifecycle helper, using a reconnaissance-then-action pattern and headless Chromium.
Source: Anthropic
At a glance
Verified source- Best for
- Verifying frontend behavior or debugging UI on a locally running app
- Works with
- Claude.ai · Claude Code
- Outcome
- Capturing screenshots and console logs during automated flows
- Source
- anthropics/skills
01 / Understand the skill
About webapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
02 / Confirm the fit
Use webapp-testing when you need to
- Verifying frontend behavior or debugging UI on a locally running app
- Capturing screenshots and console logs during automated flows
- Managing backend+frontend server startup with a single helper
03 / See the workflow
How webapp-testing works
- 01Install: npx skills add https://github.com/anthropics/skills --skill webapp-testing
- 02Try: Start my Vite app and verify the login form shows an error on bad input.
- 03Get: A Playwright run that exercises the flow and reports screenshots/logs.
Check before installing
Compatible platforms
Claude.ai · Claude Code
Best fit
Verifying frontend behavior or debugging UI on a locally running app
Review the source instructions if the required output differs from the formats described above.
Install and use
Compatible with Claude.ai and Claude Code · Published by Anthropic
Ready to add webapp-testing?
Use the published instructions below, then provide the required input and describe the result you need.
General instructions · Claude.ai · Claude Code
npx skills add https://github.com/anthropics/skills --skill webapp-testing
Review the source repository and license before installing third-party skills.
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