This skill enables the agent to output spatial, parallel, comparable, or interactive content using single-file HTML instead of Markdown. It acts as a router, using a decision framework to determine HTML usage and dispatching to one of 9 sub-skills for requests like comparison, planning, review, reporting, interpretation, slides, editing, or visualization, reusing templates to produce runnable artifacts.
/plugin marketplace add Azhi-ss/html-effectiveness
The exact command may vary by repository. Check the README on GitHub.
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Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
Applies Anthropic's official brand colors and typography to any artifact that may benefit from its look-and-feel. Use it when brand colors, style guidelines, visual formatting, or company design standards apply.
Creates distinctive, production-grade frontend interfaces with high design quality, generating creative, polished code and UI design that avoids generic AI aesthetics. Use for building web components, pages, and applications, or for styling/beautifying web UIs.
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.
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Markdown 把所有信息压成线性文字流。diff 是空间的、对比是并排的、流程是图状的、交互是可感受的——这些维度被 markdown 抹平后，人需要在脑中重建它们。HTML 是 agent 真正的画布。
灵感来自 Thariq Shihipar 的 The unreasonable effectiveness of HTML。本 skill 把 9 大类 20 个范式系统化为可复用的决策框架 + 模板。
读完用户请求后，对答案做"形状测试"：
| 答案的形状 | 用什么 |
|---|---|
| 一段陈述、一个数字、一句结论 | 直接说 |
| 几个步骤、要点列表、单一代码片段 | markdown |
| 2+ 选项要并排比较（方案、设计、文案） | HTML |
| 空间关系（架构图、流程图、依赖、调 |
[Description truncada. Veja o README completo no GitHub.]
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