This whole registry and philosophy is available as a Claude Code Agent Skill — install it and Claude builds UI with it directly.
Install the Skill →Components · Breadcrumb
Breadcrumb
$ npx @dhruvchoudhary/dsgn add breadcrumbBreadcrumb, BreadcrumbList, BreadcrumbItem, BreadcrumbLink, BreadcrumbPage — plain semantic nav/ol markup, no primitive dependency.