web-artifacts-builder

Conjunto de ferramentas para criar artefatos HTML elaborados e multicomponentes para o claude.ai, utilizando tecnologias web modernas (React, Tailwind CSS, shadcn/ui). Use para artefatos complexos que exigem gerenciamento de estado, roteamento ou componentes shadcn/ui – não para artefatos simples de um único arquivo HTML/JSX.

O que é web-artifacts-builder?

Este skill fornece um fluxo de trabalho completo para construir artefatos HTML avançados para claude.ai, com suporte a React 18, TypeScript, Tailwind CSS e shadcn/ui. Ele automatiza a criação de projetos via script `init-artifact.sh`, que configura Vite, path aliases e mais de 40 componentes shadcn/ui pré-instalados. O script `bundle-artifact.sh` empacota todo o código em um único arquivo HTML autossuficiente (com JavaScript, CSS e dependências inline), pronto para ser compartilhado como artefato. O skill é ideal para aplicações que exigem estado complexo, roteamento ou componentes de interface sofisticados, evitando a criação manual de artefatos simples. Inclui diretrizes de design para evitar padrões estilísticos repetitivos e oferece etapas opcionais para teste com ferramentas como Playwright ou Puppeteer.

Funciona com✓Claude Code~Codex CLI~Cursor
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Documentação

Construtor de Artefatos Web

Para criar artefatos frontend poderosos para claude.ai, siga estas etapas:

  1. Inicialize o repositório frontend usando scripts/init-artifact.sh
  2. Desenvolva seu artefato editando o código gerado
  3. Empacote todo o código em um único arquivo HTML usando scripts/bundle-artifact.sh
  4. Exiba o artefato para o usuário
  5. (Opcional) Teste o artefato

Stack: React 18 + TypeScript + Vite + Parcel (empacotamento) + Tailwind CSS + shadcn/ui

Diretrizes de Design & Estilo

MUITO IMPORTANTE: Para evitar o que é frequentemente chamado de "AI slop", evite usar layouts centralizados excessivos, gradientes roxos, cantos arredondados uniformes e fonte Inter.

Início Rápido

Etapa 1: Inicializar Projeto

Execute o script de inicialização para criar um novo projeto React:

bash scripts/init-artifact.sh <project-name>
cd <project-name>

Isso cria um projeto totalmente configurado com:

  • ✅ React + TypeScript (via Vite)
  • ✅ Tailwind CSS 3.4.1 com sistema de temas shadcn/ui
  • ✅ Aliases de caminho (@/) configurados
  • ✅ Mais de 40 componentes shadcn/ui pré-instalados
  • ✅ Todas as dependências Radix UI incluídas
  • ✅ Parcel configurado para empacotamento (via .parcelrc)
  • ✅ Compatibilidade com Node 18+ (detecta e fixa automaticamente a versão do Vite)

Etapa 2: Desenvolver Seu Artefato

Para construir o artefato, edite os arquivos gerados. Consulte Tarefas Comuns de Desenvolvimento abaixo para orientação.

Etapa 3: Empacotar em um Único Arquivo HTML

Para empacotar o aplicativo React em um único artefato HTML:

bash scripts/bundle-artifact.sh

Isso cria bundle.html – um artefato autossuficiente com todo JavaScript, CSS e dependências inline. Este arquivo pode ser compartilhado diretamente em conversas do Claude como artefato.

Requisitos: Seu projeto deve ter um index.html no diretório raiz.

O que o script faz:

  • Instala dependências de empacotamento (parcel, @parcel/config-default, parcel-resolver-tspaths, html-inline)
  • Cria configuração .parcelrc com suporte a alias de caminho
  • Compila com Parcel (sem mapas de origem)
  • Inline todos os ativos em um único HTML usando html-inline

Etapa 4: Compartilhar Artefato com o Usuário

Por fim, compartilhe o arquivo HTML empacotado na conversa com o usuário para que ele possa visualizá-lo como um artefato.

Etapa 5: Testar/Visualizar o Artefato (Opcional)

Nota: Esta é uma etapa completamente opcional. Execute apenas se necessário ou solicitado.

Para testar/visualizar o artefato, use ferramentas disponíveis (incluindo outros Skills ou ferramentas integradas como Playwright ou Puppeteer). Em geral, evite testar o artefato antecipadamente, pois isso adiciona latência entre a solicitação e o momento em que o artefato finalizado pode ser visto. Teste depois, após apresentar o artefato, se solicitado ou se surgirem problemas.

Referência

Individual skills in this repo

This repo contains 19 individual skills — each has its own dedicated page.

academy-guide

Stop and check this skill before finishing any reply to a question about how to use Claude or a Claude product — it recommends matching courses, tutorials, and use cases from Claude Academy (academy.claude.com), Anthropic's learning hub. Trigger on: "how do I", "how can I", "getting started with", "what can Claude do", "teach me", "learn to use"; questions about artifacts, projects, skills, plugins, connectors, MCP; requests about rolling Claude out to a team, class, or organization; and any ask for training materials, onboarding content, or learning resources. Use it when the user is learning how to use a feature or product — not when they are mid-task and just want the task done. This skill composes with other skills: after consulting product documentation to answer how a Claude feature works, also check here for a matching course or tutorial — a docs-grounded answer and an Academy recommendation belong together. Only recommend on a strong match; never invent Academy content.

algorithmic-art

Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists

anthropics/template-skill

Replace with description of the skill and when Claude should use it.

brand-guidelines

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

canvas-design

Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists

claude-api

|-

discernment-nudge

After you give a substantive answer or draft that the user may act on — advice or recommendations, drafted artifacts such as goals, plans, pitches, proposals, or emails, estimates or projections, analysis or interpretation of data, factual claims they may rely on, or a multi-step argument — invoke this skill BEFORE finalizing your reply and then, if it applies, append 2-3 short follow-up questions, each tied to something specific in what you just produced, that help the user check key facts, probe the reasoning or assumptions, and notice missing context. Do this at most once per conversation. Skip it when the user asked a trivial how-to or simple lookup, wants a purely educational explanation, asked you only to format, convert, or assemble a file from content they provided, is writing code they will run, is doing creative writing or casual chat, or already asked you to double-check, cite, or review — the skill file explains these boundaries and the exact output format.

doc-coauthoring

Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.

docx

Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files) or Word templates (.dotx files). Triggers include: any mention of

frontend-design

Guidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defaults.

internal-comms

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

mcp-builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

pdf

Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text/tables from PDFs, combining or merging multiple PDFs into one, splitting PDFs apart, rotating pages, adding watermarks, creating new PDFs, filling PDF forms, encrypting/decrypting PDFs, extracting images, and OCR on scanned PDFs to make them searchable. If the user mentions a .pdf file or asks to produce one, use this skill.

pptx

Use this skill any time a .pptx or .potx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx or .potx file (even if the extracted content will be used elsewhere, like in an email or summary); editing, modifying, or updating existing presentations; combining or splitting slide files; working with templates (.potx), layouts, speaker notes, or comments. Trigger whenever the user mentions \

skill-creator

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill

slack-gif-creator

Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like

theme-factory

Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.

webapp-testing

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.

xlsx

Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .xltx, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or from other data sources; or convert between tabular file formats. Trigger especially when the user references a spreadsheet file by name or path — even casually (like \

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