marmoui

Use whenever building, editing, or reviewing UI code that imports from @marmoui/ui (Marmo's internal design system). Triggers on requests involving @marmoui/ui, Marmo components, "build a form/page/dashboard with our design system", "use Marmo UI", "make this look like our app", any UI/component task in a Marmo product app, OR when the prompt mentions analytics/tracking/PostHog/telemetry/events alongside UI work. Walks through the MCP-backed workflow that prevents hallucinated props, wrong imports, and broken compositions, and layers in PostHog instrumentation when the prompt asks for tracking.

Use when the user wants to build a shareable Marmo prototype with reviewer comments and AI-edit support. Triggers on phrases like "spin up a prototype", "prototype this", "build a prototype I can share", "let people comment on this", "scaffold an onboarding prototype", or when the user asks for a Netlify-shippable mockup using Marmo UI. Walks through scaffolding from apps/prototype-starter, wiring the @marmoui/prototype-overlay (Anthropic OAuth + inline comments + owner-only select-mode), and deploying to Netlify.