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Claude Code Adds Playground Plugin for Interactive Visual Configuration

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Claude Code added Playground, a plugin that generates self-contained single-file HTML explorers with visual controls on one side and a live preview on the other. It ships with six built-in templates: Design Playground for UI components, Data Explorer for SQL queries and API calls, Concept Map for knowledge mapping, Document Critique for review workflows, Diff Review for code review, and Code Map for codebase architecture visualization.

Text-only coding agents hit a bandwidth limitation when dealing with visual or spatial parameters. Describing design iterations, color palettes, or data visualizations through text prompts is clunky and imprecise. Playground lets you adjust sliders, color pickers, and dropdowns visually, then generates human-readable prompts you can paste back into Claude for implementation.

Each playground is a single HTML file with dark theme, 3-5 presets, and instant live preview. Install from the Claude Code plugin marketplace with /plugin install playground@claude-plugins-official and invoke with /playground followed by what you want to explore.

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