The AI editor lets your friends tweak their site in plain English — “make the hero green”, “tighten my bio”, “add a sponsors section”. It runs through a tiny proxy that holds your Anthropic key (never exposed to visitors).
When the builder is hosted on Vercel with your Anthropic key set, the AI editor switches on automatically. To point it at a proxy manually, paste its URL here:
No proxy yet? Every other feature works without it — friends can still build & download a complete site.