Modern web guidance

“Build with Modern Web Guidance”, the command npx modern-web-guidance@latest install, and supported tools Claude Code, Copilot CLI, Antigravity CLI, and npx skills.

A set of evergreen, expert-vetted skills for AI coding agents from the Chrome team, covering UI components, legacy code modernization, security, and performance. Install via npx modern-web-guidance@latest install, or as plugins for Claude Code, Copilot CLI, Vercel Agent Skills, and Antigravity. The skills can help with modern features like <dialog> modals, popover tooltips, container queries, passkeys, CSP, and improving Web Vitals.

developer.chrome.com/docs/modern-web-guidance