Introduction
Large Language Models (LLMs) are not just about text—they’re reshaping how we build Full Stack applications. Imagine seeing a website you love and instantly replicating its look and feel in your own project. That’s exactly what we explored in this Proof of Concept (POC).
Step 1: Capture the Design
We started by taking a snapshot of the target site:
Image

This image served as the foundation for generating a design.json.
Step 2: Generate design.json
Using CTRL+L, we uploaded the captured image. The tool automatically created a design.json file that represents the UI structure and styling.
Think of
design.json as a blueprint for your frontend—it tells your project how to look.
Step 3: Integrate into Frontend Project
Once the design.json was ready, we placed it inside our frontend project.
Then, we invoked the following prompt in CTRL+L:
1 | @frontend change the ui as per the @design.json |
Step 4: Let the Agent Work
As soon as the prompt was executed, our agent began transforming the UI.
Within moments, the project’s interface was updated to match the design we had captured.
Image








Conclusion
This experiment demonstrates how LLMs + design.json can revolutionize frontend development:
Rapid UI transformation without manual coding
Consistent look and feel across projects
Accelerated prototyping for Full Stack developers
By combining AI-driven design extraction with prompt-based UI updates, developers can move from idea to implementation faster than ever.
Source Code :-https://github.com/shdhumale/antigravity-workspace-ui-design-json.git
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