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Mo7amed-Mahmoud
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mockup-sandbox

Render live iframe-based component previews via a Vite dev server.

Updated Apr 18, 2026
Search Tags:#canvas#vite#iframe#mockup#ui-prototyping#design-variants
One-click install
npx skills add https://github.com/Mo7amed-Mahmoud/ZeinaGuard-Pro --skill mockup-sandbox-mo7amed-mahmoud
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mockup-sandbox
Source: https://github.com/Mo7amed-Mahmoud/ZeinaGuard-Pro/tree/main/.local/skills/mockup-sandbox
Command: npx skills add https://github.com/Mo7amed-Mahmoud/ZeinaGuard-Pro --skill mockup-sandbox-mo7amed-mahmoud

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a self-contained sandbox to prototype, preview, and iterate on web UI components directly on the canvas, enabling rapid visual validation without deploying to an app.

Core Features & Use Cases

  • Isolated frontend sandbox: run components in isolation with a dedicated Vite dev server and iframe routes.
  • Live previews & variants: compare multiple design directions, test responsive states, and render live HTML/CSS/React on the board.
  • Workflow integration: supports extraction and graduation workflows via companion skills to extract existing components or integrate mockups into real apps.

Quick Start

Boot the Mockup Sandbox, start its dev server, and begin embedding live 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 directly on the canvas?▼

To prototype live UI on the canvas, this Skill coordinates rendering isolated iframe-based previews using a Vite dev server. It enables rapid visual validation of components, design variants, and responsive behavior without requiring application deployment.

What is the best way to compare multiple UI design variants during prototyping?▼

Comparing multiple UI design variants is handled by rendering live HTML, CSS, or React components in isolated iframe previews. This allows you to view and evaluate different design directions simultaneously on the canvas for rapid iteration.

Do I need a Vite dev server to preview mockups in isolation?▼

Yes, a Vite dev server is required to run the isolated frontend sandbox and render live iframe previews. You also need a local mockup-sandbox artifact structure with a frontmatter-driven SKILL.md file to load operational instructions.

Can I test responsive behavior for web components without deploying to an app?▼

Yes, you can test responsive behavior without app deployment by running components in isolation within the sandbox. The Vite dev server renders live iframe previews on the board, allowing you to validate responsive states immediately.

How do I extract existing components into a mockup sandbox for prototyping?▼

Extracting existing components into the mockup sandbox is supported through companion skills. These companion skills facilitate workflow integration, allowing you to extract components for prototyping and later graduate mockups into real applications.

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