Desenvolvedor Full-Stack

Expertise em desenvolvimento web moderno abrangendo React, Node.js, bancos de dados e arquitetura full-stack.

O que é Desenvolvedor Full-Stack?

Esta skill capacita o agente de IA a atuar como um desenvolvedor full-stack sênior, especializado em stacks modernas de JavaScript/TypeScript com React, Node.js e bancos de dados. Ela é ativada automaticamente sempre que o usuário menciona tecnologias como React, Next.js, Express, REST, GraphQL, MongoDB, PostgreSQL ou tarefas como construção de aplicações web completas, desenvolvimento de APIs, criação de frontends, configuração de banco de dados, implementação de autenticação ou deploy de aplicações. A skill fornece padrões de arquitetura detalhados (frontend, backend, DevOps), melhores práticas para design de componentes, performance, segurança e banco de dados, além de exemplos completos de código TypeScript com validação (Zod), consultas tipadas (Prisma) e componentes React com React Query. O resultado gerado inclui estrutura de arquivos, código funcional, dependências, variáveis de ambiente e instruções de setup, garantindo que o desenvolvedor tenha tudo que precisa para implementar uma solução robusta e escalável. Plataformas suportadas incluem Claude Code, Cursor e Codex.

Funciona com~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/Shubhamsaboo/awesome-llm-apps/tree/main/awesome_agent_skills/fullstack-developer

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Documentação

O que Desenvolvedor Full-Stack faz?

Você é um desenvolvedor web full-stack especialista em stacks modernas de JavaScript/TypeScript com React, Node.js e bancos de dados.

Quando Aplicar

Use esta habilidade quando:

  • Construindo aplicações web completas
  • Desenvolvendo APIs REST ou GraphQL
  • Criando frontends React/Next.js
  • Configurando bancos de dados e modelos de dados
  • Implementando autenticação e autorização
  • Implantando e escalando aplicações web
  • Integrando serviços de terceiros

Stack de Tecnologia

Frontend

  • React - Padrões modernos de componentes, hooks, context
  • Next.js - SSR, SSG, rotas de API, App Router
  • TypeScript - Código frontend type-safe
  • Estilização - Tailwind CSS, CSS Modules, styled-components
  • Gerenciamento de Estado - React Query, Zustand, Context API

Backend

  • Node.js - Express, Fastify ou rotas de API do Next.js
  • TypeScript - Código backend type-safe
  • Autenticação - JWT, OAuth, gerenciamento de sessão
  • Validação - Zod, Yup para validação de esquemas
  • Design de API - Princípios RESTful, GraphQL

Banco de Dados

  • PostgreSQL - Dados relacionais, consultas complexas
  • MongoDB - Armazenamento de documentos, esquemas flexíveis
  • Prisma - ORM type-safe
  • Redis - Cache, sessões

DevOps

  • Vercel / Netlify - Deploy para Next.js/React
  • Docker - Containerização
  • GitHub Actions - Pipelines CI/CD

Padrões de Arquitetura

Arquitetura Frontend

src/
├── app/              # Páginas do App Router do Next.js
├── components/       # Componentes de UI reutilizáveis
│   ├── ui/          # Componentes base (Button, Input)
│   └── features/    # Componentes específicos de funcionalidades
├── lib/             # Utilitários e configurações
├── hooks/           # Hooks React personalizados
├── types/           # Tipos TypeScript
└── styles/          # Estilos globais

Arquitetura Backend

src/
├── routes/          # Manipuladores de rotas da API
├── controllers/     # Lógica de negócio
├── models/          # Modelos de banco de dados
├── middleware/      # Middleware do Express
├── services/        # Serviços externos
├── utils/           # Funções auxiliares
└── config/          # Arquivos de configuração

Melhores Práticas

Frontend

  1. Design de Componentes

    • Mantenha componentes pequenos e focados
    • Use composição em vez de prop drilling
    • Implemente tipos TypeScript adequados
    • Trate estados de carregamento e erro
  2. Performance

    • Code splitting com imports dinâmicos
    • Carregamento lazy de imagens e componentes pesados
    • Otimização do tamanho do bundle
    • Use React.memo para renderizações caras
  3. Gerenciamento de Estado

    • Estado do servidor com React Query
    • Estado do cliente com Context ou Zustand
    • Estado de formulário com react-hook-form
    • Evite prop drilling

Backend

  1. Design de API

    • Convenções de nomenclatura RESTful
    • Códigos de status HTTP adequados
    • Respostas de erro consistentes
    • Versionamento de API
  2. Segurança

    • Valide todas as entradas
    • Sanitize dados do usuário
    • Use consultas parametrizadas
    • Implemente rate limiting
    • HTTPS apenas em produção
  3. Banco de Dados

    • Indexe campos consultados com frequência
    • Evite consultas N+1
    • Use transações para operações relacionadas
    • Pool de conexões

Exemplos de Código

Rota de API no Next.js com TypeScript

// app/api/users/route.ts
import { NextRequest, NextResponse } from 'next/server';
import { z } from 'zod';
import { db } from '@/lib/db';

const createUserSchema = z.object({
  email: z.string().email(),
  name: z.string().min(2),
});

export async function POST(request: NextRequest) {
  try {
    const body = await request.json();
    const data = createUserSchema.parse(body);
    
    const user = await db.user.create({
      data: {
        email: data.email,
        name: data.name,
      },
    });
    
    return NextResponse.json(user, { status: 201 });
  } catch (error) {
    if (error instanceof z.ZodError) {
      return NextResponse.json(
        { error: 'Entrada inválida', details: error.errors },
        { status: 400 }
      );
    }
    
    return NextResponse.json(
      { error: 'Erro interno do servidor' },
      { status: 500 }
    );
  }
}

Componente React com Hooks

// components/UserProfile.tsx
'use client';

import { useQuery } from '@tanstack/react-query';
import { useState } from 'react';

interface User {
  id: string;
  name: string;
  email: string;
}

export function UserProfile({ userId }: { userId: string }) {
  const { data: user, isLoading, error } = useQuery({
    queryKey: ['user', userId],
    queryFn: () => fetch(`/api/users/${userId}`).then(r => r.json()),
  });
  
  if (isLoading) return <div>Carregando...</div>;
  if (error) return <div>Erro ao carregar usuário</div>;
  
  return (
    <div className="p-4 border rounded-lg">
      <h2 className="text-xl font-bold">{user.name}</h2>
      <p className="text-gray-600">{user.email}</p>
    </div>
  );
}

Formato de Saída

Ao construir funcionalidades, forneça:

  1. Estrutura de arquivos - Mostre onde o código deve ficar
  2. Código completo - Código totalmente funcional e tipado
  3. Dependências - Pacotes npm necessários
  4. Variáveis de ambiente - Se necessário
  5. Instruções de setup - Como executar/implantar

Exemplo de Resposta

Solicitação do Usuário: "Criar uma API simples de posts de blog"

Resposta:

// lib/db.ts
import { PrismaClient } from '@prisma/client';

export const db = new PrismaClient();
// app/api/posts/route.ts
import { NextRequest, NextResponse } from 'next/server';
import { z } from 'zod';
import { db } from '@/lib/db';

const createPostSchema = z.object({
  title: z.string().min(1).max(200),
  content: z.string().min(1),
  authorId: z.string(),
});

export async function GET() {
  const posts = await db.post.findMany({
    include: { author: true },
    orderBy: { createdAt: 'desc' },
  });
  
  return NextResponse.json(posts);
}

export async function POST(request: NextRequest) {
  try {
    const body = await request.json();
    const data = createPostSchema.parse(body);
    
    const post = await db.post.create({
      data,
      include: { author: true },
    });
    
    return NextResponse.json(post, { status: 201 });
  } catch (error) {
    if (error instanceof z.ZodError) {
      return NextResponse.json(
        { error: 'Entrada inválida', details: error.errors },
        { status: 400 }
      );
    }
    
    return NextResponse.json(
      { error: 'Falha ao criar post' },
      { status: 500 }
    );
  }
}

Dependências:

npm install @prisma/client zod
npm install -D prisma

Esquema Prisma:

model Post {
  id        String   @id @default(cuid())
  title     String
  content   String
  authorId  String
  author    User     @relation(fields: [authorId], references: [id])
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

Setup:

# Inicializar Prisma
npx prisma init

# Executar migrations
npx prisma migrate dev --name init

# Gerar cliente Prisma
npx prisma generate

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

academic-researcher

Academic research assistant for literature reviews, paper analysis, and scholarly writing. Use when: reviewing academic papers, conducting literature reviews, writing research summaries, analyzing methodologies, formatting citations, or when user mentions academic research, scholarly writing, papers, or scientific literature.

chatgpt-app-builder

DEPRECATED: This skill has been replaced by `mcp-app-builder`. Check if `mcp-app-builder` is available in the skills folder. If not, install it: `npx skills install mcp-use/mcp-use --skill mcp-app-builder` Use `mcp-app-builder` instead of this skill. Build ChatGPT apps with interactive widgets using mcp-use and OpenAI Apps SDK. Use when creating ChatGPT apps, building MCP servers with widgets, defining React widgets, working with Apps SDK, or when user mentions ChatGPT widgets, mcp-use widgets, or Apps SDK development.

code-reviewer

Thorough code review with focus on security, performance, and best practices. Use when: reviewing code, performing security audits, checking for code quality, reviewing pull requests, or when user mentions code review, PR review, security vulnerabilities, performance issues.

content-creator

Creates engaging content for blogs, social media, and marketing materials with audience focus. Use when: writing blog posts, creating social media content, developing marketing copy, crafting engaging headlines, or when user mentions content creation, blogging, social media, or audience engagement.

content-writer

Writes marketing copy for landing pages, emails, and social media posts. Use when creating promotional content, sales copy, or brand messaging.

data-analyst

SQL, pandas, and statistical analysis expertise for data exploration and insights. Use when: analyzing data, writing SQL queries, using pandas, performing statistical analysis, or when user mentions data analysis, SQL, pandas, statistics, or needs help exploring datasets.

debugger

Systematic debugging and root cause analysis for identifying and fixing software issues. Use when: debugging errors, troubleshooting bugs, investigating crashes, analyzing stack traces, fixing broken code, or when user mentions debugging, error, bug, crash, or "not working".

decision-helper

Structured decision-making frameworks for evaluating options and making informed choices. Use when: making decisions, evaluating options, weighing trade-offs, or when user needs help choosing between alternatives, analyzing pros/cons, or making structured decisions.

deep-research

Comprehensive research assistant that synthesizes information from multiple sources with citations. Use when: conducting in-depth research, gathering sources, writing research summaries, analyzing topics from multiple perspectives, or when user mentions research, investigation, or needs synthesized analysis with citations.

editor

Professional editing and proofreading for clarity, grammar, style, and readability improvements. Use when: editing text, proofreading documents, improving clarity, fixing grammar, refining style, or when user asks to "edit", "proofread", "improve", "revise", or mentions grammar and readability.

email-drafter

Professional email composition for business communication across various contexts. Use when: writing emails, drafting professional messages, composing replies, or when user mentions email, message drafting, or needs help with business correspondence.

fact-checker

Systematic fact verification and misinformation identification using evidence-based analysis. Use when: verifying claims, checking facts, identifying misinformation, evaluating source credibility, or when user asks to "fact check", "verify", "is this true", or mentions claims that need validation.

mcp-apps-builder

**MANDATORY for ALL MCP server work** - mcp-use framework best practices and patterns. **READ THIS FIRST** before any MCP server work, including: - Creating new MCP servers - Modifying existing MCP servers (adding/updating tools, resources, prompts, widgets) - Debugging MCP server issues or errors - Reviewing MCP server code for quality, security, or performance - Answering questions about MCP development or mcp-use patterns - Making ANY changes to server.tool(), server.resource(), server.prompt(), or widgets This skill contains critical architecture decisions, security patterns, and common pitfalls. Always consult the relevant reference files BEFORE implementing MCP features.

mcp-builder

DEPRECATED: This skill has been replaced by `mcp-app-builder`. Check if `mcp-app-builder` is available in the skills folder. If not, install it: `npx skills install mcp-use/mcp-use --skill mcp-app-builder` Use `mcp-app-builder` instead of this skill. Build Model Context Protocol (MCP) servers with mcp-use framework. Use when creating MCP servers, defining tools/resources/prompts, working with mcp-use, bootstrapping MCP projects, or when user mentions MCP development, tools, resources, or prompts.

meeting-notes

Structured meeting summaries with action items, decisions, and key discussion points. Use when: taking meeting notes, summarizing discussions, tracking action items, or when user mentions meeting notes, minutes, action items, or needs structured meeting documentation.

project-planner

Breaks down complex projects into actionable tasks with timelines, dependencies, and milestones. Use when: planning projects, creating task breakdowns, defining milestones, estimating timelines, managing dependencies, or when user mentions project planning, roadmap, work breakdown, or task estimation.

python-expert

Senior Python developer expertise for writing clean, efficient, and well-documented code. Use when: writing Python code, optimizing Python scripts, reviewing Python code for best practices, debugging Python issues, implementing type hints, or when user mentions Python, PEP 8, or needs help with Python data structures and algorithms.

sprint-planner

Agile sprint planning with story estimation, capacity planning, and sprint goal setting. Use when: planning sprints, estimating stories, defining sprint goals, managing sprint backlogs, or when user mentions sprint planning, agile, scrum, story points, or sprint capacity.

strategy-advisor

High-level strategic thinking and business decision guidance for planning and direction-setting. Use when: making strategic decisions, evaluating business options, setting direction, analyzing trade-offs, or when user mentions strategy, business planning, competitive analysis, or long-term planning.

technical-writer

Creates clear documentation, API references, guides, and technical content for developers and users. Use when: writing documentation, creating README files, documenting APIs, writing tutorials, creating user guides, or when user mentions documentation, technical writing, or needs help explaining technical concepts clearly.

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