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CrossUI Studio
The IDE for React - AI writes the logic, you tune the UI
CrossUI Studio is a visual IDE for React and MUI (and shadcn/ui). Code and canvas stay in two-way sync on the same AST: edit code and the canvas updates live; click an element on the canvas, change a prop, and you get a one-line diff in the actual file-not a 200-line rewrite. The idea is simple: AI writes the logic, Studio tunes the UI. AI is great at architecture, data flow, and refactors, but bad at pixel-level UI tuning. Studio is the visual half-surgical, reviewable edits on your real code.
I'm a full-stack dev, and honestly a year ago I was skeptical of AI coding. Then I started using it for real and it changed how I work — it's genuinely great at backend logic, architecture, refactors.
But I kept hitting the same wall on the frontend. I'd ask the AI for a tiny UI change — a bit more padding, tighter spacing — and it would rewrite 200 lines, restructure components, burn a pile of tokens, and the layout still wasn't quite right. UI tuning is iterative and visual. Describing it in words and waiting for a regen is the wrong loop.
So the problem I wanted to solve: keep the AI for the thinking, but get a fast visual way to do the last-mile UI work — without giving up my real code.
That's CrossUI Studio. Code and canvas stay in sync on the same AST. You tweak something on the canvas, you get a clean one-line diff in your actual source file. No export, no fork, no runtime lock-in — stop using it tomorrow and nothing breaks.
The approach evolved a lot. The hardest part by far was the two-way sync — making the canvas write back to the AST surgically instead of re-emitting the whole file. That took months to get stable, and it's the thing I'm most proud of. Along the way it grew a dependency graph that survives crashes and deep layer drill-down, but the core idea stayed the same the whole time: your source code is the source of truth, the canvas is just another view of it.
It's live with a guest mode (no account) if you want to try it. Would genuinely love feedback from this community 🙏
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About CrossUI Studio on Product Hunt
“The IDE for React - AI writes the logic, you tune the UI”
CrossUI Studio was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #156 on the daily leaderboard. CrossUI Studio is a visual IDE for React and MUI (and shadcn/ui). Code and canvas stay in two-way sync on the same AST: edit code and the canvas updates live; click an element on the canvas, change a prop, and you get a one-line diff in the actual file-not a 200-line rewrite. The idea is simple: AI writes the logic, Studio tunes the UI. AI is great at architecture, data flow, and refactors, but bad at pixel-level UI tuning. Studio is the visual half-surgical, reviewable edits on your real code.
CrossUI Studio was featured in Developer Tools (515.5k followers), Development (6k followers) and UX Design (6.9k followers) on Product Hunt. Together, these topics include over 79.5k products, making this a competitive space to launch in.
Who hunted CrossUI Studio?
CrossUI Studio was hunted by Jack Lee. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Jack Lee