Introduction
A year ago I was an AI-coding skeptic. Then I started using it for real and it changed how I build — but I kept hitting one wall it couldn't fix. CrossUI Studio is the tool I built for exactly that gap.
The Problem
AI is great at the thinking parts of code: architecture, data flow, refactors. But it's bad at last-mile UI tuning. Ask for a little more padding and it rewrites 200 lines, restructures components, burns tokens — and the layout still isn't right. UI tuning is visual and iterative; describing it in words and waiting for a regen is the wrong loop. Most visual editors don't help either: they export, fork, or own a runtime, so the tool and your real codebase drift apart.
The Solution
CrossUI Studio is a visual IDE for React + 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 clean one-line diff in your real source file — not a 200-line rewrite. The model is simple: AI writes the logic, Studio tunes the UI. Your code is always the source of truth — no export, no fork, no lock-in. Stop using it tomorrow and nothing breaks.
Key Features
- Symmetric code ↔ canvas editing on the AST — every visual change is a clean one-line diff in your real code
- Layer drill-down at any depth (.map, ternary, children) with auto-injected mock data
- Dependency graph built from static AST — it still renders when your app has crashed, and points at the broken module
- Inject a mock for a broken dependency to restore a render without a rebuild
- Works on your Git repo (GitHub/GitLab/Bitbucket) or a local folder — your code never leaves your machine
- Guest mode: try it instantly, no account needed
Conclusion
AI isn't one homogeneous capability — there's work it does cheaply and well, and work it does expensively and badly. The faster you find that line in your own workflow, the faster you ship. For me the line was the UI, and Studio is how I cross it. Try it free with guest mode (no account): studio.crossui.com