Responsive Screenshots

Screenshot a page at every common viewport and mechanically check each one for layout breakage. No signup required.

Prerequisites

• Playwright MCP (ships with Claude Code)

Trigger

• "Responsive screenshots of https://..."
• "How does my site look on mobile and tablet?"
• "Screenshot this page at different sizes"
• "Does my layout break anywhere between phone and desktop?"

Workflow

1. mcp__playwright__browser_navigate to the URL once, then loop these viewports: