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playground

Generate self-contained interactive HTML playgrounds from templates with inline CSS and JS.

Updated Mar 17, 2026
Search Tags:#templates#html#interactive#ui-design#playground#live-preview
One-click install
npx skills add https://github.com/SPRAGE/dev-template --skill playground-sprage
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: playground
Source: https://github.com/SPRAGE/dev-template/tree/main/template/.claude/skills/playground
Command: npx skills add https://github.com/SPRAGE/dev-template --skill playground-sprage

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Creates a fast path to generate self-contained interactive HTML playgrounds that let users configure topics visually, see a live preview, and copy prompts back into Claude.

Core Features & Use Cases

  • Single-file HTML playgrounds with inline CSS/JS
  • Live preview updates on every control change
  • Prompt output that reflects non-default choices
  • Built-in presets (3–5) for cohesive starting points
  • Dark theme ready and template-driven scaffolding

Quick Start

Create a new interactive HTML playground by selecting a topic template and opening the generated file in your browser.

Frequently Asked Questions about playground

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

FAQPage Schema
How do I create an interactive HTML playground for UI prototyping?▼

Generate a self-contained HTML playground by selecting a topic template, which produces a single HTML file with inline CSS, inline JS, and live preview capabilities that opens directly in your browser without external dependencies.

What is a self-contained HTML playground and when do I need one?▼

A self-contained HTML playground is a single-file interactive environment with inline CSS and JS used for visual exploration and user-driven configuration. You need one for UI prototyping and design experiments requiring live preview without external dependencies.

Can I generate live preview UI prototypes without external dependencies?▼

Yes, you can generate live preview UI prototypes without external dependencies. The output is a single HTML file with inline CSS and JS that runs entirely in-browser, updating the live preview on every control change.

Does the HTML playground support dark mode and multiple presets?▼

Yes, the HTML playground supports dark mode and includes 3 to 5 built-in presets for cohesive starting points. Templates are loaded from the templates directory to scaffold your interactive configuration environment.

How do I copy prompt output from a live preview back into Claude?▼

Copy prompt output directly from the live preview interface. The playground generates prompt output that reflects your non-default configuration choices, allowing you to paste the updated prompt back into Claude.

What are the limitations of using a single HTML file for interactive playgrounds?▼

A single HTML file playground limits your project to inline CSS and JS without external dependencies or component modularization. This approach suits visual exploration and UI prototyping but may not scale for complex multi-file applications.

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