playground

Creates interactive HTML playgrounds — self-contained single-file explorers with visual controls, live preview, and prompt output with copy button. Includes templates for design playgrounds, data explorers, concept maps, and document critique.

Install

If the official marketplace isn’t added yet, run

Category: Development
Author: Anthropic
GitHub: anthropics/claude-plugins-official

Good for

Make visual design decisions: components, layouts, spacing, color, typography
Build data and query explorers for SQL, APIs, pipelines or regex
Create concept maps for learning and scope mapping
Critique a document with approve, reject and comment on each suggestion

Getting started

Run /plugin install playground@claude-plugins-official in Claude Code
Ask Claude for an interactive playground on a topic
In the single HTML file, adjust controls, watch the live preview, then copy the prompt back into Claude

Summarized by AI from the project docs; check the official docs before relying on it.

Similar tools

agent-sdk-devOfficial plugin · Development
Development kit for working with the Claude Agent SDK
clangd-lspOfficial plugin · Development
C/C++ language server (clangd) for code intelligence
code-modernizationOfficial plugin · Development
Guided modernization for any legacy codebase: start with /modernize, get an assessment, an interactive map, the business rules mined from the code, and a plan you approve, then an upgrade, a rewrite or a rebuild with independent proof that the new code behaves like the old. Includes security hardening, a one-page report, specialist agents, and an optional live progress pane (early access).
csharp-lspOfficial plugin · Development
C# language server for code intelligence
feature-devOfficial plugin · Development
Comprehensive feature development workflow with specialized agents for codebase exploration, architecture design, and quality review