playground

Build self-contained HTML playgrounds with live previews and generated prompts.

Updated Apr 19, 2026
One-click install
npx skills add https://github.com/cjrfoto/claude-config --skill playground-cjrfoto
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: playground
Source: https://github.com/cjrfoto/claude-config/tree/main/plugins/marketplaces/claude-plugins-official/plugins/playground/skills/playground
Command: npx skills add https://github.com/cjrfoto/claude-config --skill playground-cjrfoto

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Playground builders let users quickly generate self-contained interactive explorers that visualize topics, capture prompts, and share reproducible configurations.

Core Features & Use Cases

  • Self-contained single-file HTML playgrounds with inline CSS/JS
  • Live preview and immediate prompt output
  • Presets and templates to bootstrap different exploration tasks (design, data, code, etc.)
  • Dark mode and accessible UI defaults
  • Use cases include topic explorations, data visualizations, and prompt-driven templates

Quick Start

Create an interactive playground by selecting a topic template, adjusting controls, and exporting the generated prompt.

Frequently Asked Questions about playground

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

FAQPage Schema
How do I build a single-file HTML playground with live preview?▼

Build a self-contained HTML playground by configuring topic controls, viewing the live preview, and copying the generated prompt. The playground enforces inline CSS/JS, 3-5 presets, and a dark theme to create reproducible interactive explorers.

What is a self-contained interactive HTML playground used for?▼

A self-contained interactive HTML playground is used for topic explorations, data visualizations, and prompt-driven templates. It lets users visualize topics, capture generated prompts, and share reproducible configurations across design and learning tasks.

Can I generate prompts dynamically from interactive UI controls?▼

You can generate prompts dynamically from interactive UI controls. The playground uses a deterministic state and prompt generation pattern that automatically updates the output prompt every time a control changes.

Does this playground builder support external CSS or JavaScript dependencies?▼

No, this playground builder does not support external CSS or JavaScript dependencies. It enforces inline CSS and JS within a single HTML file to ensure the interactive explorer remains completely self-contained and reproducible.

What's the best way to create interactive explorers for data visualization?▼

The best way to create interactive explorers for data visualization is using a single-file HTML playground with presets. It provides accessible dark mode UI defaults, live preview, and immediate prompt output to bootstrap visual configuration tasks.