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mockup-sandbox

Automate UI mockup creation and live rendering on a Vite-based sandbox canvas.

Updated Mar 31, 2026
Search Tags:#vite#design-exploration#component-extraction#ui-prototyping#mockup-sandbox#iframe-preview
One-click install
npx skills add https://github.com/Pranil9699/Payroll-Employment-System --skill mockup-sandbox-pranil9699
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mockup-sandbox
Source: https://github.com/Pranil9699/Payroll-Employment-System/tree/main/.local/skills/mockup-sandbox
Command: npx skills add https://github.com/Pranil9699/Payroll-Employment-System --skill mockup-sandbox-pranil9699

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Design teams need a fast, isolated space to create, preview, and iterate on live web UI content directly on a canvas, without impacting the main app.

Core Features & Use Cases

  • Isolated previews: live HTML/CSS/React components rendered via a Vite dev server for iframe embedding on the workspace.
  • Variant exploration: compare multiple design variants side-by-side across responsive breakpoints and themes.
  • Companion workflows: integrates with mockup-extract and mockup-graduate for extracting existing components and graduating mockups into the main app.

Quick Start

Set up the sandbox, start the Vite dev server, and begin embedding live component previews on the canvas.

Frequently Asked Questions about mockup-sandbox

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

FAQPage Schema
How do I prototype live UI components in an isolated canvas without affecting my main app?▼

A mockup sandbox renders live React and HTML components via a Vite dev server for iframe embedding on a canvas, allowing fast UI iteration without affecting the main application.

Can I compare multiple UI design variants side-by-side across responsive breakpoints?▼

Yes, the sandbox canvas supports variant exploration, allowing you to compare multiple UI design variants side-by-side across different responsive breakpoints and themes simultaneously.

Does the mockup sandbox work with Vite and the Tailwind shadcn ui stack?▼

Yes, the sandbox requires a Vite-based dev server and the Tailwind/shadcn/ui stack. It also uses a component discovery plugin to populate previews and manage iframe states.

How do I extract existing UI components for prototyping in the sandbox?▼

You can extract existing UI components for prototyping by coordinating with the companion skill mockup-extract, which pulls existing components into the isolated canvas for design iteration.

What is the best way to graduate a finished UI mockup into a live application?▼

The best way to graduate a finished UI mockup into a live application is by using the companion skill mockup-graduate, which transitions approved sandbox prototypes directly into the main app.

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