Does this skill require additional setup?

Yes, this skill requires the Chrome DevTools MCP to be installed and active in your Claude Code environment to interact with the browser.

Does it support mobile testing?

Yes, it includes commands to resize the viewport to mobile dimensions (e.g., 375px) to check for responsive design issues.

Can I use this for production websites?

Yes, while configured for localhost:3000 by default, it can be directed to validate any accessible URL through the Chrome DevTools MCP.

How does it report errors?

It captures console logs and filters for errors, reporting them succinctly along with the specific viewport and theme being used at the time.

What does the Chrome DevTools Validation skill do?

It automates the process of opening your local development site, taking screenshots, checking for console errors, and verifying responsive layouts within Claude Code.

Chrome DevTools UI Validator

Name: Chrome DevTools UI Validator
Author: AntonioHCervantes

byAntonioHCervantes

Browser Automation

Validates frontend UI changes and responsive layouts using Chrome DevTools MCP for automated visual and functional testing.

About

The Chrome DevTools Validation skill empowers Claude to perform automated visual and functional audits of web applications, specifically optimized for Next.js environments. By leveraging the Chrome DevTools MCP, it can capture screenshots, inspect accessibility trees, and monitor console errors in real-time. This skill is essential for developers who want to ensure that styling updates, layout changes, or theme toggles don't introduce regressions or breaking changes across different device viewports.

Key Features

0 GitHub stars
Automated visual snapshots and screenshots for regression testing
Light and dark theme consistency checks
Real-time console error monitoring and runtime debugging
Cross-viewport responsive design validation via page resizing
Accessibility (a11y) tree inspection and verification

Use Cases

Testing mobile responsiveness for specific UI components
Verifying layout consistency after major CSS or Tailwind updates
Identifying client-side JavaScript errors during local development

About

Key Features

0 GitHub stars
Automated visual snapshots and screenshots for regression testing
Light and dark theme consistency checks
Real-time console error monitoring and runtime debugging
Cross-viewport responsive design validation via page resizing
Accessibility (a11y) tree inspection and verification

Use Cases

Testing mobile responsiveness for specific UI components
Verifying layout consistency after major CSS or Tailwind updates
Identifying client-side JavaScript errors during local development