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Spectra29115
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mockup-sandbox

Render live UI components and prototypes on a canvas with Vite, React, Tailwind CSS, and shadcn/ui.

Updated Jul 4, 2026
Search Tags:#web design#component testing#canvas design#UI prototyping#live preview
One-click install
npx skills add https://github.com/Spectra29115/Project-ResumeParser --skill mockup-sandbox-spectra29115
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mockup-sandbox
Source: https://github.com/Spectra29115/Project-ResumeParser/tree/main/.local/skills/mockup-sandbox
Command: npx skills add https://github.com/Spectra29115/Project-ResumeParser --skill mockup-sandbox-spectra29115

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires vite, react, tailwindcss, shadcn-ui, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill enables the creation, preview, and iteration of web UI content on a canvas, providing live rendered components for designing and prototyping.

Core Features & Use Cases

  • Live Component Preview: Visualize web UI components in real-time on the canvas.
  • Prototyping Tools: Offers a variety of tools for designing and prototyping web interfaces.
  • Responsive Previews: Allows the user to preview components on different devices and themes.
  • Component States: Provides previews of component states like loading, error, and empty.

Quick Start

Use the mockup-sandbox skill to create a card on the canvas with the URL 'https://<your-component-url>.replit.dev/__mockup/preview/{folder}/{ComponentName}'.

Frequently Asked Questions about mockup-sandbox

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I preview React UI components live on a canvas?▼

To preview React UI components live on a canvas, embed your component URL into a card within the mockup-sandbox. It renders web UI components in real-time using Vite, React, Tailwind CSS, and shadcn/ui.

Do I need Tailwind CSS and shadcn/ui for web UI prototyping?▼

Yes, you need Tailwind CSS and shadcn/ui for web UI prototyping in this environment. These dependencies are required to render and style the live previewed components accurately on the canvas.

Can I preview component states like loading and error during canvas design?▼

You can preview component states like loading, error, and empty during canvas design. The platform provides built-in tools to visualize these various states alongside responsive previews for different devices.

What is the best way to parallelize UI design variants for component testing?▼

The best way to parallelize UI design variants for component testing is using subagent orchestration. This approach allows you to simultaneously render and iterate multiple web content designs on the canvas.

How to embed web content for live UI prototyping?▼

To embed web content for live UI prototyping, create a card on the canvas with your specific component URL. This allows you to directly visualize and iterate on web interfaces in real-time.

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