Claude Code Guide

# Claude Code Guide

<p align="center">
  <a href="https://florianbruniaux.github.io/claude-code-ultimate-guide-landing/"><img src="https://img.shields.io/badge/🌐_Interactive_Guide-Visit_Website-ff6b35?style=for-the-badge&logoColor=white" alt="Website"/></a>
</p>

<p align="center">
  <a href="https://github.com/FlorianBruniaux/claude-code-ultimate-guide/stargazers"><img src="https://img.shields.io/github/stars/FlorianBruniaux/claude-code-ultimate-guide?style=for-the-badge" alt="Stars"/></a>
  <a href="#"><img src="https://img.shields.io/badge/Lines-10,500+-blueviolet?style=for-the-badge" alt="Lines"/></a>
  <a href="./examples/"><img src="https://img.shields.io/badge/Templates-63-green?style=for-the-badge" alt="Templates"/></a>
  <a href="./quiz/"><img src="https://img.shields.io/badge/Quiz-217_questions-orange?style=for-the-badge" alt="Quiz"/></a>
</p>

<p align="center">
  <a href="https://creativecommons.org/licenses/by-sa/4.0/"><img src="https://img.shields.io/badge/License-CC%20BY--SA%204.0-blue.svg" alt="License: CC BY-SA 4.0"/></a>
  <a href="https://zread.ai/FlorianBruniaux/claude-code-ultimate-guide"><img src="https://img.shields.io/badge/Ask_Zread-_.svg?style=flat&color=00b0aa&labelColor=000000&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB3aWR0aD0iMTYiIGhlaWdodD0iMTYiIHZpZXdCb3g9IjAgMCAxNiAxNiIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPHBhdGggZD0iTTQuOTYxNTYgMS42MDAxSDIuMjQxNTZDMS44ODgxIDEuNjAwMSAxLjYwMTU2IDEuODg2NjQgMS42MDE1NiAyLjI0MDFWNC45NjAxQzEuNjAxNTYgNS4zMTM1NiAxLjg4ODEgNS42MDAxIDIuMjQxNTYgNS42MDAxSDQuOTYxNTZDNS4zMTUwMiA1LjYwMDEgNS42MDE1NiA1LjMxMzU2IDUuNjAxNTYgNC45NjAxVjIuMjQwMUM1LjYwMTU2IDEuODg2NjQgNS4zMTUwMiAxLjYwMDEgNC45NjE1NiAxLjYwMDFaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00Ljk2MTU2IDEwLjM5OTlIMi4yNDE1NkMxLjg4ODEgMTAuMzk5OSAxLjYwMTU2IDEwLjY4NjQgMS42MDE1NiAxMS4wMzk5VjEzLjc1OTlDMS42MDE1NiAxNC4xMTM0IDEuODg4MSAxNC4zOTk5IDIuMjQxNTYgMTQuMzk5OUg0Ljk2MTU2QzUuMzE1MDIgMTQuMzk5OSA1LjYwMTU2IDE0LjExMzQgNS42MDE1NiAxMy43NTk5VjExLjAzOTlDNS42MDE1NiAxMC42ODY0IDUuMzE1MDIgMTAuMzk5OSA0Ljk2MTU2IDEwLjM5OTlaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik0xMy43NTg0IDEuNjAwMUgxMS4wMzg0QzEwLjY4NSAxLjYwMDEgMTAuMzk4NCAxLjg4NjY0IDEwLjM5ODQgMi4yNDAxVjQuOTYwMUMxMC4zOTg0IDUuMzEzNTYgMTAuNjg1IDUuNjAwMSAxMS4wMzg0IDUuNjAwMUgxMy43NTg0QzE0LjExMTkgNS42MDAxIDE0LjM5ODQgNS4zMTM1NiAxNC4zOTg0IDQuOTYwMVYyLjI0MDFDMTQuMzk4NCAxLjg4NjY0IDE0LjExMTkgMS42MDAxIDEzLjc1ODQgMS42MDAxWiIgZmlsbD0iI2ZmZiIvPgo8cGF0aCBkPSJNNCAxMkwxMiA0TDQgMTJaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00IDEyTDEyIDQiIHN0cm9rZT0iI2ZmZiIgc3Ryb2tlLXdpZHRoPSIxLjUiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIvPgo8L3N2Zz4K&logoColor=ffffff" alt="Ask Zread"/></a>
</p>

---

## ⚡ TL;DR (Under 5 Minutes)

**In a hurry?** Pick one:

| I need... | Go here | Time |
|-----------|---------|------|
| **Quick reference** | [Cheat Sheet](./guide/cheatsheet.md) | 2 min |
| **Starter CLAUDE.md** | Copy below ↓ | 30 sec |
| **Key principles** | [5 Rules](#5-rules-to-remember) | 1 min |

<details>
<summary><strong>📋 Minimal CLAUDE.md Template (click to expand & copy)</strong></summary>

```markdown
# Project: [NAME]

## Tech Stack
- Language: [e.g., TypeScript]
- Framework: [e.g., Next.js 14]
- Testing: [e.g., Vitest]

## Commands
- Build: `npm run build`
- Test: `npm test`
- Lint: `npm run lint`

## Rules
- Run tests before marking tasks complete
- Follow existing code patterns
- Keep commits atomic and conventional
```

Save as `CLAUDE.md` in your project root. Claude reads it automatically.

</details>

---

**Transparency note**: This guide reflects my personal experience after several months of daily Claude Code usage. I'm sharing what I've learned, not claiming expertise. The tool evolves constantly, and so does my understanding. [Feedback welcome](./CONTRIBUTING.md).

---

> 🇫🇷 **Communauté francophone** | Tu veux parler de dev et d'IA ? Challenger des idées ? Présenter des outils ? En découvrir ?
> **[Dev With AI](https://www.devw.ai/)** rassemble près de 1500 devs sur Slack, tous niveaux et toutes technos confondus — enthousiastes comme sceptiques.
> Meetups à Paris, Bordeaux et Lyon.

---

> **Privacy Notice**: Claude Code sends your prompts, file contents, and MCP results to Anthropic servers.
> - **Default**: 5 years retention (training enabled) | **Opt-out**: 30 days | **Enterprise**: 0
> - **Action**: [Disable training](https://claude.ai/settings/data-privacy-controls) | [Full privacy guide](./guide/data-privacy.md)

---

## Get Started in 60 Seconds

**Option A: One-liner** (no clone needed)
```bash
claude "Fetch and follow the onboarding instructions from: https://raw.githubusercontent.com/FlorianBruniaux/claude-code-ultimate-guide/main/tools/onboarding-prompt.md"
```

<details>
<summary>📸 <strong>Preview: Interactive Onboarding Flow</strong></summary>

<table>
<tr>
<td width="50%"><img src="./assets/screenshots/onboarding-01-language.png" alt="Language selection"/><br/><em>1. Choose your language</em></td>
<td width="50%"><img src="./assets/screenshots/onboarding-02-goal.p

... (truncated)