Join waitlist

Coming soon

Your code.
Now make it beautiful.

Mello is an upcoming visual editor for AI‑built apps. Click what looks off, fix it, and keep the change in your code.

Free to join. Only emails about Mello access.

The Mello editor: pages and layers on the left, a live page on the canvas with a heading selected, and design controls on the right.
Ask AI to change just thisPlanned: edits saved to your code

Built for people building with

  • Claude Code
  • Cursor
  • Codex
  • ChatGPT
  • v0
  • GitHub

AI got your app working. But the spacing drifts, the headings don’t match and it breaks on a phone. With Mello, you’ll fix that by hand instead of by prompt.

Keep your AI workflow. Add a visual one.

  1. Build a booking app for a yoga studio

    Build with AI

    Use any AI tool, or start in Mello.

  2. Open in Mello

    See your project as a page you can click.

  3. Edit visually

    Adjust by hand, or ask AI for one change.

  4. yourapp.comLive

    Ship

    Export the code or publish with Mello.

Prompt when it’s faster.
Edit when it’s easier.

Make this heading feel more premium

Mello's assistant scoped to a selected heading, with quick actions like Refine UI and Fix typography.

Prompt the big changes. The planned assistant edits only what you select.

Mello's design panel with layout, sizing and typography controls.

Fix the small ones by hand with familiar design controls.

The Mello canvas previewing a page at a 390 pixel mobile breakpoint.

Fix each screen size right where it breaks.

Stay in your code. Each edit is meant to land as a readable diff.

Mello's export dialog offering a standalone React app or a static site.

Take it with you. Standalone React export is planned.

If you can see it, you should be able to edit it.

Moving a button four pixels shouldn’t take a paragraph. Try it: change the layout and watch the code follow.

components/Features.tsx1export function Features() {2  return (3    <section className="p-[24px]">4      <h2 className="text-[26px]">5        Everything in one place6      </h2>7      <Grid cols={3}>8        <Card accent="#1F6FD1" />
Features

Everything in one place

Plan
Write
Ship

Your project isn’t trapped here.

Export it, host it on your own domain, or bring your own AI keys. All planned, with details before access opens.

  • Export your codeA standalone React project.
  • Publish with MelloHosting you update from the editor.
  • Your own domainyourapp.com, not ours.

Straight answers.

What is Mello?

An upcoming visual editor for AI-built apps. Select part of your interface, adjust it by hand or with a focused prompt, and keep the change in your code.

Can I use Mello today?

Not yet. Mello is in development, and the screenshots and demo are previews. Join the waitlist to hear when early access opens.

Which frameworks will Mello support?

Not announced yet. The previews show a React project; supported frameworks will be confirmed before access opens.

Will it work with Cursor, Claude Code or other AI tools?

The plan is to build in any AI tool and refine the result in Mello. No specific integrations have been announced.

What happens to my code?

It stays yours. Export, hosting and bring-your-own-key options are planned, with details before access opens.

How much will it cost, and when does it launch?

Neither has been announced. Joining the waitlist is free and commits you to nothing.

Still curious? Email hello@mello.build

Early access

Finish what AI started.

We’ll email you the moment access opens.

Free to join. Only emails about Mello access.