Brecht De Ruyte tries Google’s Modern Web Guidance, a skillset that feeds expert platform guidance with Baseline data into coding agents. Its CLI search pulls in only the relevant guides out of 103 features, and every fallback is checked nightly by Playwright graders. Since it stays vendor-agnostic, he adds three skills of his own for token tiers, theming with light-dark(), and component states.
utilitybend.com/blog/modern-web-guidance-antigravity-and-my-own-design-token-skills