Webapp Testing
Test local web applications with Playwright: verify the UI, take screenshots and read browser logs.
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. Published by Anthropic in the anthropics/skills repository as an Agent Skills package (a folder with a SKILL.md file). Details were read from SKILL.md and the repository README; nothing was installed or executed.
What you can do
- Drive a local web app with Playwright
- Verify frontend behaviour
- Capture browser screenshots
- Read browser logs
Skill package
- Format
- Agent Skills (a folder with SKILL.md)
- Works with
- Claude Code, Claude.ai, Claude API
- Pre-approved tools
- None declared
- License
- Complete terms in LICENSE.txt
How to install
From the publisher
Claude Code: run /plugin marketplace add anthropics/skills, then /plugin install example-skills@anthropic-agent-skills. Or copy the skills/webapp-testing folder into .claude/skills/ in your project. Claude.ai and the Claude API: upload the skill folder as a custom skill (see the repository README for links).
How do I install Webapp Testing?
The publisher’s install steps are shown above. A skill is a folder with a SKILL.md file. Copy that folder into your agent’s skills directory and the agent loads it when a task matches the skill’s description: Claude Code reads .claude/skills/ in the project and ~/.claude/skills/; other agents that support the Agent Skills format document their own location. The file itself is at github.com/anthropics/skills/blob/main/skills/webapp-testing/SKILL.md.
Which agents can use Webapp Testing?
The publisher lists Claude Code, Claude.ai, Claude API.
Is it free?
Free to use, according to the published details.
Questions and answers
What is Webapp Testing?
Webapp Testing is a skill in the Developer tools category. Test local web applications with Playwright: verify the UI, take screenshots and read browser logs.
How do I install Webapp Testing?
A skill is a folder with a SKILL.md file. Copy that folder into your agent's skills directory (for Claude Code, .claude/skills/ in the project or ~/.claude/skills/) and the agent loads it when a task matches the skill's description. The file is at https://github.com/anthropics/skills/blob/main/skills/webapp-testing/SKILL.md. The publisher's steps: Claude Code: run /plugin marketplace add anthropics/skills, then /plugin install example-skills@anthropic-agent-skills. Or copy the skills/webapp-testing folder into .claude/skills/ in your project. Claude.ai and the Claude API: upload the skill folder as a custom skill (see the repository README for links).
Is Webapp Testing free?
Free to use, according to the published details.
What can Webapp Testing do?
According to the published details: Drive a local web app with Playwright; Verify frontend behaviour; Capture browser screenshots; Read browser logs.
Which agents or platforms work with Webapp Testing?
The publisher lists Claude Code, Claude.ai, Claude API.
Where is Webapp Testing published?
Its homepage is https://github.com/anthropics/skills/tree/main/skills/webapp-testing and its source repository is https://github.com/anthropics/skills. RUAGENTIC read these details from Publisher repository on October 1, 2026 and did not install or run the project.
Sources and checks
View the sourceSource information collected October 1, 2026.
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