Claude webapp-testing skill: test local web apps with Playwright
Anthropic’s toolkit skill for checking a web app running on your machine through a real browser.
- Type
- Skill
- Publisher
- Anthropic
- Category
- Coding
- Works in
- Claude Code, Claude apps
Its description says it lets Claude interact with and test local web applications using Playwright: verify that frontend features work, debug UI behavior, capture browser screenshots and read browser logs. It is part of Anthropic’s example skills and is most useful in Claude Code, where the app and the browser run locally.
Source: skills/webapp-testing in Anthropic’s skills repository.
- What it does
- Lets Claude test a local web app with Playwright: check features, debug UI, take screenshots and read logs.
- How to install
- Claude Code:
/plugin marketplace add anthropics/skills
/plugin install example-skills@anthropic-agent-skills
Claude apps: turn it on under Customize > Skills (Code execution and file creation must be on). - Source
- github.com
- Last checked
Questions
What does the webapp-testing skill do?
It is a toolkit for interacting with and testing local web applications using Playwright.
What can it check?
Its description lists verifying frontend functionality, debugging UI behavior, capturing browser screenshots and viewing browser logs.
Where does it work best?
It targets apps running locally, so it is most useful in Claude Code, where the app and the browser run on your machine.
Sources: names, descriptions and install commands come from Anthropic’s skills repository (github.com/anthropics/skills), its official plugin marketplace (github.com/anthropics/claude-plugins-official) and the Claude docs linked on each listing. Promptline is not affiliated with Anthropic.