Alloy · AI prototyping with your real product is an AI‑powered prototyping tool that captures your live web app from the browser and instantly generates lifelike, interactive prototypes by understanding your components and design system; its AI lets you edit prototypes via natural language, preserves brand fidelity, exports React code, and integrates with common product tools so teams can iterate faster, reduce handoff friction, and share testable, on‑brand prototypes with stakeholders.