claude-code-ultimate-guide/README.md

# Claude Code Ultimate 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="./CHANGELOG.md"><img src="https://img.shields.io/badge/Updated-Mar_18,_2026_·_v3.37.1-brightgreen?style=for-the-badge" alt="Last Update"/></a>
  <a href="./quiz/"><img src="https://img.shields.io/badge/Quiz-271_questions-orange?style=for-the-badge" alt="Quiz"/></a>
  <a href="./examples/"><img src="https://img.shields.io/badge/Templates-217-green?style=for-the-badge" alt="Templates"/></a>
  <a href="./guide/security/security-hardening.md"><img src="https://img.shields.io/badge/🛡️_Threat_DB-15_vulnerabilities_·_655_malicious_skills-red?style=for-the-badge" alt="Threat Database"/></a>
  <a href="./mcp-server/"><img src="https://img.shields.io/badge/MCP_Server-npx_ready-blueviolet?style=for-the-badge" alt="MCP Server"/></a>
</p>

<p align="center">
  <a href="https://github.com/hesreallyhim/awesome-claude-code"><img src="https://awesome.re/mentioned-badge-flat.svg" alt="Mentioned in Awesome Claude Code"/></a>
  <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://skills.palebluedot.live/owner/FlorianBruniaux"><img src="https://img.shields.io/badge/SkillHub-9_skills-8b5cf6.svg" alt="SkillHub Skills"/></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>

> **6 months of daily practice** distilled into a guide that teaches you the WHY, not just the what. From core concepts to production security, you learn to design your own agentic workflows instead of copy-pasting configs.

> **If this guide helps you, [give it a star ⭐](https://github.com/FlorianBruniaux/claude-code-ultimate-guide/stargazers)** — it helps others discover it too.

---

## Choose Your Path

| Who you are | Your guide |
|---|---|
| 🏗️ **Tech Lead / Engineering Manager** | [Deploying Claude Code across your team →](docs/for-tech-leads.md) |
| 📊 **CTO / Decision Maker** | [ROI, security posture, team adoption →](docs/for-cto.md) |
| 💼 **CIO / CEO** | [Budget, risk, what to ask your tech team (3 min) →](docs/for-cio-ceo.md) |
| 🎨 **Product Manager / Designer** | [Vibe coding, working with AI-assisted dev teams →](docs/for-product-managers.md) |
| ✍️ **Writer / Ops / Manager** | [Claude Cowork Guide (separate repo) →](https://github.com/FlorianBruniaux/claude-cowork-guide) |
| 👨‍💻 **Developer (all levels)** | You're in the right place — read on ↓ |
| 🧭 **Career pivot / new AI role** | [AI Roles & Career Paths →](guide/roles/ai-roles.md) |

---

## 🎯 What You'll Learn

**This guide teaches you to think differently about AI-assisted development:**
- ✅ **Understand trade-offs** — When to use agents vs skills vs commands (not just how to configure them)
- ✅ **Build mental models** — How Claude Code works internally (architecture, context flow, tool orchestration)
- ✅ **Visualize concepts** — 41 Mermaid diagrams covering model selection, master loop, memory hierarchy, multi-agent patterns, security threats, AI fluency paths
- ✅ **Master methodologies** — TDD, SDD, BDD with AI collaboration (not just templates)
- ✅ **Security mindset** — Threat modeling for AI systems (only guide with 24 CVEs + 655 malicious skills database)
- ✅ **Test your knowledge** — 271-question quiz to validate understanding (no other resource offers this)

**Outcome**: Go from copy-pasting configs to designing your own agentic workflows with confidence.

---

## 📊 When to Use This Guide vs Everything-CC

Both guides serve different needs. Choose based on your priority.

| Your Goal | This Guide | everything-claude-code |
|-----------|------------|------------------------|
| **Understand why** patterns work | Deep explanations + architecture | Config-focused |
| **Quick setup** for projects | Available but not the priority | Battle-tested production configs |
| **Learn trade-offs** (agents vs skills) | Decision frameworks + comparisons | Lists patterns, no trade-off analysis |
| **Security hardening** | Only threat database (24 CVEs) | Basic patterns only |
| **Test understanding** | 271-question quiz | Not available |
| **Methodologies** (TDD/SDD/BDD) | Full workflow guides | Not covered |
| **Copy-paste ready** templates | 217 templates | 200+ templates |

### Ecosystem Positioning

```
                    EDUCATIONAL DEPTH
                           ▲
                           │
                           │  ★ This Guide
                           │  Security + Methodologies + 23K+ lines
                           │
                           │  [Everything-You-Need-to-Know]
                           │  SDLC/BMAD beginner
  ─────────────────────────┼─────────────────────────► READY-TO-USE
  [awesome-claude-code]    │            [everything-claude-code]
  (discovery, curation)    │            (plugin, 1-cmd install)
                           │
                           │  [claude-code-studio]
                           │  Context management
                           │
                      SPECIALIZED
```

**4 unique gaps no competitor covers:**
1. **Security-First** — 24 CVEs + 655 malicious skills tracked (no competitor has this depth)
2. **Methodology Workflows** — TDD/SDD/BDD comparison + step-by-step guides
3. **Comprehensive Reference** — 23K+ lines across 16 specialized guides (24× more reference material than everything-cc)
4. **Educational Progression** — 271-question quiz, beginner → expert path

**Recommended workflow:**
1. Learn concepts here (mental models, trade-offs, security)
2. Use battle-tested configs there (quick project setup)
3. Return here for deep dives (when something doesn't work or to design custom workflows)

**Both resources are complementary, not competitive.** Use what fits your current need.

---

## ⚡ Quick Start

**Quickest path**: [Cheat Sheet](./guide/cheatsheet.md) — 1 printable page with daily essentials

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

**Browse directly**: [Full Guide](./guide/ultimate-guide.md) | [Visual Diagrams](./guide/diagrams/) | [Examples](./examples/) | [Quiz](./quiz/)

---

## 🔌 MCP Server — Use the guide from any Claude Code session

No cloning needed. Add to `~/.claude.json` and ask questions directly from any session:

```json
{
  "mcpServers": {
    "claude-code-guide": {
      "type": "stdio",
      "command": "npx",
      "args": ["-y", "claude-code-ultimate-guide-mcp"]
    }
  }
}
```

17 tools: `search_guide`, `read_section`, `get_cheatsheet`, `get_digest`, `get_example`, `list_examples`, `search_examples`, `get_release`, `get_changelog`, `compare_versions`, `list_topics`, `get_threat`, `list_threats`, plus `init_official_docs`, `refresh_official_docs`, `diff_official_docs`, `search_official_docs` (v1.1.0 — official Anthropic docs tracker) — plus 13 slash commands `/ccguide:*` and a Haiku agent.

**Onboarding one-liner** (once MCP is configured):
```bash
claude "Use the claude-code-guide MCP server. Activate the claude-code-expert prompt, then run a personalized onboarding: ask me 3 questions about my goal, experience level, and preferred tone — then build a custom learning path using search_guide and read_section to navigate the guide with live source links."
```

→ [MCP Server README](./mcp-server/README.md)

---

## 📁 Repository Structure

```mermaid
graph LR
    root[📦 Repository<br/>Root]

    root --> guide[📖 guide/<br/>23K+ lines]
    root --> examples[📋 examples/<br/>218 templates]
    root --> quiz[🧠 quiz/<br/>271 questions]
    root --> tools[🔧 tools/<br/>utils]
    root --> machine[🤖 machine-readable/<br/>AI index]
    root --> docs[📚 docs/<br/>115 evaluations]

    style root fill:#d35400,stroke:#e67e22,stroke-width:3px,color:#fff
    style guide fill:#2980b9,stroke:#3498db,stroke-width:2px,color:#fff
    style examples fill:#8e44ad,stroke:#9b59b6,stroke-width:2px,color:#fff
    style quiz fill:#d68910,stroke:#f39c12,stroke-width:2px,color:#fff
    style tools fill:#5d6d7e,stroke:#7f8c8d,stroke-width:2px,color:#fff
    style machine fill:#138d75,stroke:#16a085,stroke-width:2px,color:#fff
    style docs fill:#c0392b,stroke:#e74c3c,stroke-width:2px,color:#fff
```

<details>
<summary><strong>Detailed Structure (Text View)</strong></summary>

```
📦 claude-code-ultimate-guide/
│
├─ 📖 guide/              Core Documentation (22K+ lines)
│  ├─ ultimate-guide.md   Complete reference, 10 sections
│  ├─ cheatsheet.md       1-page printable
│  ├─ architecture.md     How Claude Code works internally
│  ├─ methodologies.md    TDD, SDD, BDD workflows
│  ├─ diagrams/           41 Mermaid diagrams (10 thematic files)
│  ├─ third-party-tools.md  Community tools (RTK, ccusage, Entire CLI)
│  ├─ mcp-servers-ecosystem.md  Official & community MCP servers
│  └─ workflows/          Step-by-step guides
│
├─ 📋 examples/           204 Production Templates
│  ├─ agents/             9 custom AI personas
│  ├─ commands/           26 slash commands
│  ├─ hooks/              31 hooks (bash + PowerShell)
│  ├─ skills/             14 skills (9 on SkillHub)
│  └─ scripts/            Utility scripts (audit, search)
│
├─ 🧠 quiz/               271 Questions
│  ├─ 9 categories        Setup, Agents, MCP, Trust, Advanced...
│  ├─ 4 profiles          Junior, Senior, Power User, PM
│  └─ Instant feedback    Doc links + score tracking
│
├─ 🔧 tools/              Interactive Utilities
│  ├─ onboarding-prompt   Personalized guided tour
│  └─ audit-prompt        Setup audit & recommendations
│
├─ 🤖 machine-readable/   AI-Optimized Index
│  ├─ reference.yaml      Structured index (~2K tokens) — powers landing site CMD+K search
│  ├─ claude-code-releases.yaml  Structured releases changelog
│  └─ llms.txt            Standard LLM context file
│
└─ 📚 docs/               115 Resource Evaluations
   └─ resource-evaluations/  5-point scoring, source attribution
```

</details>

---

## 🎯 What Makes This Guide Unique

### 🎓 Deep Understanding Over Configuration

**Outcome**: Design your own workflows instead of copy-pasting blindly.

**We teach how Claude Code works and why patterns matter**:
- [Architecture](./guide/core/architecture.md) — Internal mechanics (context flow, tool orchestration, memory management)
- [Trade-offs](./guide/ultimate-guide.md#when-to-use-what) — Decision frameworks for agents vs skills vs commands
- [Configuration Decision Guide](./guide/ultimate-guide.md#27-configuration-decision-guide) — Unified "which mechanism for what?" map across all 7 config layers
- [Pitfalls](./guide/ultimate-guide.md#common-mistakes) — Common failure modes + prevention strategies

**What this means for you**: Troubleshoot issues independently, optimize for your specific use case, know when to deviate from patterns.

---

### 🖼️ Visual Diagrams Series (41 Mermaid Diagrams)

**Outcome**: Grasp complex concepts instantly through visual mental models.

**41 interactive diagrams** across 10 thematic files — GitHub-native Mermaid rendering + ASCII fallback for every diagram:
- [Foundations](./guide/diagrams/01-foundations.md) — 4-layer context model, 9-step pipeline, permission modes
- [Architecture](./guide/diagrams/04-architecture-internals.md) — Master loop, tool categories, system prompt assembly
- [Multi-Agent](./guide/diagrams/07-multi-agent-patterns.md) — 3 topologies, worktrees, dual-instance, horizontal scaling
- [Security](./guide/diagrams/08-security-and-production.md) — 3-layer defense, MCP rug pull attack chain, verification paradox
- [Cost & Models](./guide/diagrams/09-cost-and-optimization.md) — Model selection tree, token reduction pipeline

[Browse all 41 diagrams →](./guide/diagrams/)

**What this means for you**: Understand the master loop before reading 23K+ lines, see multi-agent topologies at a glance, share visual security threat models with your team.

---

### 🛡️ Security Threat Intelligence (Only Comprehensive Database)

**Outcome**: Protect production systems from AI-specific attacks.

**Only guide with systematic threat tracking**:
- **24 CVE-mapped vulnerabilities** — Prompt injection, data exfiltration, code injection
- **655 malicious skills catalogued** — Unicode injection, hidden instructions, auto-execute patterns
- **Production hardening workflows** — MCP vetting, injection defense, audit automation

[Threat Database →](./machine-readable/threat-db.yaml) | [Security Guide →](./guide/security/security-hardening.md)

**What this means for you**: Vet MCP servers before trusting them, detect attack patterns in configs, comply with security audits.

---

### 📝 271-Question Knowledge Validation (Unique in Ecosystem)

**Outcome**: Verify your understanding + identify knowledge gaps.

**Only comprehensive assessment available** — test across 9 categories:
- Setup & Configuration, Agents & Sub-Agents, MCP Servers, Trust & Verification, Advanced Patterns

**Features**: 4 skill profiles (Junior/Senior/Power User/PM), instant feedback with doc links, weak area identification

[Try Quiz Online →](https://florianbruniaux.github.io/claude-code-ultimate-guide-landing/quiz/) | [Run Locally](./quiz/)

**What this means for you**: Know what you don't know, track learning progress, prepare for team adoption discussions.

---

### 🤖 Agent Teams Coverage (v2.1.32+ Experimental)

**Outcome**: Parallelize work on large codebases (Fountain: 50% faster, CRED: 2x speed).

**Only comprehensive guide to Anthropic's multi-agent coordination**:
- Production metrics from real companies (autonomous C compiler, 500K hours saved)
- 5 validated workflows (multi-layer review, parallel debugging, large-scale refactoring)
- Decision framework: Teams vs Multi-Instance vs Dual-Instance vs Beads

[Agent Teams Workflow →](./guide/workflows/agent-teams.md) | [Section 9.20 →](./guide/ultimate-guide.md#920-agent-teams-multi-agent-coordination)

**What this means for you**: Break monolithic tasks into parallelizable work, coordinate multi-file refactors, review your own AI-generated code.

---

### 🔬 Methodologies (Structured Development Workflows)

**Outcome**: Maintain code quality while working with AI.

Complete guides with rationale and examples:
- [TDD](./guide/core/methodologies.md#1-tdd-test-driven-development-with-claude) — Test-Driven Development (Red-Green-Refactor with AI)
- [SDD](./guide/core/methodologies.md#2-sdd-specification-driven-development) — Specification-Driven Development (Design before code)
- [BDD](./guide/core/methodologies.md#3-bdd-behavior-driven-development) — Behavior-Driven Development (User stories → tests)
- [GSD](./guide/core/methodologies.md#gsd-get-shit-done) — Get Shit Done (Pragmatic delivery)

**What this means for you**: Choose the right workflow for your team culture, integrate AI into existing processes, avoid technical debt from AI over-reliance.

---

### 📚 204 Annotated Templates

**Outcome**: Learn patterns, not just configs.

Educational templates with explanations:
- Agents (6), Commands (26), Hooks (31), Skills
- Comments explaining **why** each pattern works (not just what it does)
- Gradual complexity progression (simple → advanced)

[Browse Catalog →](./examples/)

**What this means for you**: Understand the reasoning behind patterns, adapt templates to your context, create your own custom patterns.

---

### 🔍 115 Resource Evaluations

**Outcome**: Trust our recommendations are evidence-based.

Systematic assessment of external resources (5-point scoring):
- Articles, videos, tools, frameworks
- Honest assessments with source attribution (no marketing fluff)
- Integration recommendations with trade-offs

[See Evaluations →](./docs/resource-evaluations/)

**What this means for you**: Save time vetting resources, understand limitations before adopting tools, make informed decisions.

---

## 🎯 Learning Paths

<details>
<summary><strong>Junior Developer</strong> — Foundation path (7 steps)</summary>

1. [Quick Start](./guide/ultimate-guide.md#1-quick-start-day-1) — Install & first workflow
2. [Essential Commands](./guide/ultimate-guide.md#13-essential-commands) — The 7 commands
3. [Context Management](./guide/ultimate-guide.md#22-context-management) — Critical concept
4. [Memory Files](./guide/ultimate-guide.md#31-memory-files-claudemd) — Your first CLAUDE.md
5. [Learning with AI](./guide/roles/learning-with-ai.md) — Use AI without becoming dependent ⭐
6. [TDD Workflow](./guide/workflows/tdd-with-claude.md) — Test-first development
7. [Cheat Sheet](./guide/cheatsheet.md) — Print this

</details>

<details>
<summary><strong>Senior Developer</strong> — Intermediate path (6 steps)</summary>

1. [Core Concepts](./guide/ultimate-guide.md#2-core-concepts) — Mental model
2. [Plan Mode](./guide/ultimate-guide.md#23-plan-mode) — Safe exploration
3. [Methodologies](./guide/core/methodologies.md) — TDD, SDD, BDD reference
4. [Agents](./guide/ultimate-guide.md#4-agents) — Custom AI personas
5. [Hooks](./guide/ultimate-guide.md#7-hooks) — Event automation
6. [CI/CD Integration](./guide/ultimate-guide.md#93-cicd-integration) — Pipelines

</details>

<details>
<summary><strong>Power User</strong> — Comprehensive path (8 steps)</summary>

1. [Complete Guide](./guide/ultimate-guide.md) — End-to-end
2. [Architecture](./guide/core/architecture.md) — How Claude Code works
3. [Security Hardening](./guide/security/security-hardening.md) — MCP vetting, injection defense
4. [MCP Servers](./guide/ultimate-guide.md#8-mcp-servers) — Extended capabilities
5. [Trinity Pattern](./guide/ultimate-guide.md#91-the-trinity) — Advanced workflows
6. [Observability](./guide/ops/observability.md) — Monitor costs & sessions
7. [Agent Teams](./guide/workflows/agent-teams.md) — Multi-agent coordination (Opus 4.6 experimental)
8. [Examples](./examples/) — Production templates

</details>

<details>
<summary><strong>Product Manager / DevOps / Designer</strong></summary>

**Product Manager** (5 steps):
1. [What's Inside](#-whats-inside) — Scope overview
2. [Golden Rules](#-golden-rules) — Key principles
3. [Data Privacy](./guide/security/data-privacy.md) — Retention & compliance
4. [Adoption Approaches](./guide/roles/adoption-approaches.md) — Team strategies
5. [PM FAQ](./guide/ultimate-guide.md#can-product-managers-use-claude-code) — Code-adjacent vs non-coding PMs

**Note**: Non-coding PMs should consider [Claude Cowork Guide](https://github.com/FlorianBruniaux/claude-cowork-guide) instead.

**DevOps / SRE** (5 steps):
1. [DevOps & SRE Guide](./guide/ops/devops-sre.md) — FIRE framework
2. [K8s Troubleshooting](./guide/ops/devops-sre.md#kubernetes-troubleshooting) — Symptom-based prompts
3. [Incident Response](./guide/ops/devops-sre.md#pattern-incident-response) — Workflows
4. [IaC Patterns](./guide/ops/devops-sre.md#pattern-infrastructure-as-code) — Terraform, Ansible
5. [Guardrails](./guide/ops/devops-sre.md#guardrails--adoption) — Security boundaries

**Product Designer** (5 steps):
1. [Working with Images](./guide/ultimate-guide.md#24-working-with-images) — Image analysis
2. [Wireframing Tools](./guide/ultimate-guide.md#wireframing-tools) — ASCII/Excalidraw
3. [Figma MCP](./guide/ultimate-guide.md#figma-mcp) — Design file access
4. [Design-to-Code Workflow](./guide/workflows/design-to-code.md) — Figma → Claude
5. [Cheat Sheet](./guide/cheatsheet.md) — Print this

</details>

### Progressive Journey

- **Week 1**: Foundations (install, CLAUDE.md, first agent)
- **Week 2**: Core Features (skills, hooks, trust calibration)
- **Week 3**: Advanced (MCP servers, methodologies)
- **Month 2+**: Production mastery (CI/CD, observability)

---

## 🔧 Rate Limits & Cost Savings

**cc-copilot-bridge** routes Claude Code through GitHub Copilot Pro+ for flat-rate access ($10/month instead of per-token billing).

```bash
# Install
git clone https://github.com/FlorianBruniaux/cc-copilot-bridge.git && cd cc-copilot-bridge && ./install.sh

# Use
ccc   # Copilot mode (flat $10/month)
ccd   # Direct Anthropic mode (per-token)
cco   # Offline mode (Ollama, 100% local)
```

**Benefits**: Multi-provider switching, rate limit bypass, 99%+ cost savings on heavy usage.

→ **[cc-copilot-bridge](https://github.com/FlorianBruniaux/cc-copilot-bridge)**

---

## 🔑 Golden Rules

### 1. Verify Trust Before Use

Claude Code can generate 1.75x more logic errors than human-written code ([ACM 2025](https://dl.acm.org/doi/10.1145/3716848)). Every output must be verified. Use `/insights` commands and verify patterns through tests.

**Strategy:** Solo dev (verify logic + edge cases). Team (systematic peer review). Production (mandatory gating tests).

---

### 2. Never Approve MCPs from Unknown Sources

24 CVEs identified in Claude Code ecosystem. 655 malicious skills in supply chain. MCP servers can read/write your codebase.

**Strategy:** Systematic audit (5-min checklist). Community-vetted MCP Safe List. Vetting workflow documented in guide.

---

### 3. Context Pressure Changes Behavior

At 70% context, Claude starts losing precision. At 85%, hallucinations increase. At 90%+, responses become erratic.

**Strategy:** 0-50% (work freely). 50-70% (attention). 70-90% (`/compact`). 90%+ (`/clear` mandatory).

---

### 4. Start Simple, Scale Smart

Start with basic CLAUDE.md + a few commands. Test in production for 2 weeks. Add agents/skills only if need is proven.

**Strategy:** Phase 1 (basic). Phase 2 (commands + hooks if needed). Phase 3 (agents if multi-context). Phase 4 (MCP servers if truly required).

---

### 5. Methodologies Matter More with AI

TDD/SDD/BDD are not optional with Claude Code. AI accelerates bad code as much as good code.

**Strategy:** TDD (critical logic). SDD (architecture upfront). BDD (PM/dev collaboration). GSD (throwaway prototypes).

---

### Quick Reference

| # | Rule | Key Metric | Action |
|---|------|------------|--------|
| 1 | Verify Trust | 1.75x more logic errors | Test everything, peer review |
| 2 | Vet MCPs | 24 CVEs, 655 malicious skills | 5-min audit checklist |
| 3 | Manage Context | 70% = precision loss | `/compact` at 70%, `/clear` at 90% |
| 4 | Start Simple | 2-week test period | Phase 1→4 progressive adoption |
| 5 | Use Methodologies | AI amplifies good AND bad | TDD/SDD/BDD by context |

> Context management is critical. See the [Cheat Sheet](./guide/cheatsheet.md#context-management-critical) for thresholds and actions.

---

## 🤖 For AI Assistants

| Resource | Purpose | Tokens |
|----------|---------|--------|
| **[llms.txt](./machine-readable/llms.txt)** | Standard context file | ~1K |
| **[reference.yaml](./machine-readable/reference.yaml)** | Structured index with line numbers | ~2K |

**Quick load**: `curl -sL https://raw.githubusercontent.com/FlorianBruniaux/claude-code-ultimate-guide/main/machine-readable/reference.yaml`

### reference.yaml — Structure & Landing Site Search

`reference.yaml` is organized into several top-level sections:

| Section | Content |
|---------|---------|
| `lines` | Line number references for key sections in `ultimate-guide.md` |
| `deep_dive` | Key → file path mappings for all guides, examples, hooks, agents, commands |
| `decide` | Decision tree (when to use what) |
| `stats` | Counters (templates, questions, CVEs…) |

**The `deep_dive` section powers the [landing site](https://cc.bruniaux.com) CMD+K search.** The build script (`scripts/build-guide-index.mjs`) parses it to generate 160 search entries.

#### How the search index works

The CMD+K search on the landing site is an **explicit index** — not a full-text search. Only entries listed in `deep_dive` are indexed. Keywords are derived mechanically from the key name and file path, not from the file content.

**Consequence**: adding a new guide section requires explicitly adding an entry to `deep_dive`, then running `pnpm build:search` in the landing repo.

#### Maintaining reference.yaml

**Adding a new entry** to `deep_dive`:
```yaml
deep_dive:
  # existing entries...
  my_new_section: "guide/my-new-file.md"          # local guide file
  my_hook_example: "examples/hooks/bash/foo.sh"   # example file
  my_section_ref: "guide/ultimate-guide.md:1234"  # with line number anchor
```

**Critical: avoid duplicate keys.** If a key appears twice in `deep_dive`, the YAML parser fails and the landing site search index becomes empty (0 entries). The build exits with a warning but no hard error:

```
[build-guide-index] ERROR: Failed to parse YAML: duplicated mapping key
[build-guide-index] Generating empty guide-search-entries.ts
```

Use distinct names — e.g. if you need both a line-number reference and a file path for the same concept, suffix the line-number key with `_line`:
```yaml
security_gate_hook_line: 6907                              # line number ref
security_gate_hook: "examples/hooks/bash/security-gate.sh" # file path ref
```

---

## 📄 Whitepapers (FR + EN)

11 focused whitepapers covering Claude Code in depth — PDF + EPUB, available in French and English. 472 pages total.

> **Coming soon** — currently in private access. Public release planned.

| # | FR | EN | Pages |
|---|----|----|-------|
| **00** | *De Zéro à Productif* | *From Zero to Productive* | 20 |
| **01** | *Prompts qui Marchent* | *Prompts That Work* | 40 |
| **02** | *Personnaliser Claude* | *Customizing Claude* | 47 |
| **03** | *Sécurité en Production* | *Security in Production* | 48 |
| **04** | *L'Architecture Démystifiée* | *Architecture Demystified* | 40 |
| **05** | *Déployer en Équipe* | *Team Deployment* | 43 |
| **06** | *Privacy & Compliance* | *Privacy & Compliance* | 29 |
| **07** | *Guide de Référence* | *Reference Guide* | 87 |
| **08** | *Agent Teams* | *Agent Teams* | 42 |
| **09** | *Apprendre avec l'IA* | *Learning with AI* — UVAL protocol, comprehension debt | 49 |
| **10** | *Convaincre son Employeur* | *Making the Case for AI* — ROI dossier for CEO/CTO/CFO | 27 |

## 🗂️ Recap Cards (FR, EN coming)

57 single-page A4 reference cards — printable, one concept per card. Available in French; English version in progress.

> **Browse online**: [cc.bruniaux.com/cheatsheets/](https://cc.bruniaux.com/cheatsheets/)

- **Technique (22 cards)** — Commands, permissions, configuration, MCP, models, context window
- **Méthodologie (22 cards)** — Daily workflow, agents, hooks, CI/CD, multi-agent, debug
- **Conception (13 cards)** — Mental models, prompting, security by design, cost patterns

---

## 🌍 Ecosystem

### Claude Cowork (Non-Developers)

**Claude Cowork** is the companion guide for non-technical users (knowledge workers, assistants, managers).

Same agentic capabilities as Claude Code, but through a visual interface with no coding required.

→ **[Claude Cowork Guide](https://github.com/FlorianBruniaux/claude-cowork-guide)** — File organization, document generation, automated workflows

**Status**: Research preview (Pro $20/mo or Max $100-200/mo, macOS only, **VPN incompatible**)

### Claude Code Plugins (Marketplace)

Production-ready plugins from this guide, installable in one command:

```bash
claude plugin marketplace add FlorianBruniaux/claude-code-plugins
claude plugin install session-summary@florian-claude-tools
```

> **[FlorianBruniaux/claude-code-plugins](https://github.com/FlorianBruniaux/claude-code-plugins)** — Session analytics, more plugins coming

### Complementary Resources

| Project | Focus | Best For |
|---------|-------|----------|
| [everything-claude-code](https://github.com/affaan-m/everything-claude-code) | Production configs (45k+ stars) | Quick setup, battle-tested patterns |
| [claude-code-templates](https://github.com/davila7/claude-code-templates) | Distribution (200+ templates) | CLI installation (17k stars) |
| [anthropics/skills](https://github.com/anthropics/skills) | Official Anthropic skills (60K+ stars) | Documents, design, dev templates |
| [anthropics/claude-plugins-official](https://skills.sh/anthropics/claude-plugins-official) | Plugin dev tools (3.1K installs) | CLAUDE.md audit, automation discovery |
| [skills.sh](https://skills.sh/) | Skills marketplace | One-command install (Vercel Labs) |
| [awesome-claude-code](https://github.com/hesreallyhim/awesome-claude-code) | Curation | Resource discovery |
| [awesome-claude-skills](https://github.com/BehiSecc/awesome-claude-skills) | Skills taxonomy | 62 skills across 12 categories |
| [awesome-claude-md](https://github.com/josix/awesome-claude-md) | CLAUDE.md examples | Annotated configs with scoring |
| [AI Coding Agents Matrix](https://coding-agents-matrix.dev) | Technical comparison | Comparing 23+ alternatives |

**Community**: 🇫🇷 [Dev With AI](https://www.devw.ai/) — 1500+ devs on Slack, meetups in Paris, Bordeaux, Lyon

→ **[AI Ecosystem Guide](./guide/ecosystem/ai-ecosystem.md)** — Complete integration patterns with complementary AI tools

---

## 🛡️ Security

**Comprehensive MCP security coverage** — the only guide with a threat intelligence database and production hardening workflows.

### Official Security Tools

| Tool | Purpose | Maintained By |
|------|---------|---------------|
| [claude-code-security-review](https://github.com/anthropics/claude-code-security-review) | GitHub Action for automated security scanning | Anthropic (official) |
| This Guide's Threat DB | Intelligence layer (24 CVEs, 655 malicious skills) | Community |

**Workflow**: Use GitHub Action for automation → Consult Threat DB for threat intelligence.

### Threat Database

**24 CVE-mapped vulnerabilities** and **655 malicious skills** tracked in [`machine-readable/threat-db.yaml`](./machine-readable/threat-db.yaml):

| Threat Category | Count | Examples |
|----------------|-------|----------|
| **Code/Command Injection** | 5 CVEs | CLI bypass (CVE-2025-66032), child_process exec |
| **Path Traversal & Access** | 4 CVEs | Symlink escape (CVE-2025-53109), prefix bypass |
| **RCE & Prompt Hijacking** | 4 CVEs | MCP Inspector RCE (CVE-2025-49596), session hijack |
| **SSRF & DNS Rebinding** | 4 CVEs | WebFetch SSRF (CVE-2026-24052), DNS rebinding |
| **Data Leakage** | 1 CVE | Cross-client response leak (CVE-2026-25536) |
| **Malicious Skills** | 341 patterns | Unicode injection, hidden instructions, auto-execute |

**Taxonomies**: 10 attack surfaces × 11 threat types × 8 impact levels

### Hardening Resources

| Resource | Purpose | Time |
|----------|---------|------|
| **[Security Hardening Guide](./guide/security/security-hardening.md)** | MCP vetting, injection defense, audit workflow | 25 min |
| **[Data Privacy Guide](./guide/security/data-privacy.md)** | Retention policies (5yr → 30d → 0), GDPR compliance | 10 min |
| **[Sandbox Isolation](./guide/security/sandbox-isolation.md)** | Docker sandboxes for untrusted MCP servers | 10 min |
| **[Production Safety](./guide/security/production-safety.md)** | Infrastructure locks, port stability, DB safety | 20 min |

### Security Commands

```bash
/security-check      # Quick scan config vs known threats (~30s)
/security-audit      # Full 6-phase audit with score /100 (2-5min)
/update-threat-db    # Research & update threat intelligence
/audit-agents-skills # Quality audit with security checks
```

### Security Hooks

**30 production hooks** (bash + PowerShell) in [`examples/hooks/`](./examples/hooks/):

| Hook | Purpose |
|------|---------|
| [dangerous-actions-blocker](./examples/hooks/bash/dangerous-actions-blocker.sh) | Block `rm -rf`, force-push, production ops |
| [prompt-injection-detector](./examples/hooks/bash/prompt-injection-detector.sh) | Detect injection patterns in CLAUDE.md/prompts |
| [unicode-injection-scanner](./examples/hooks/bash/unicode-injection-scanner.sh) | Detect hidden Unicode (zero-width, RTL override) |
| [output-secrets-scanner](./examples/hooks/bash/output-secrets-scanner.sh) | Prevent API keys/tokens in Claude responses |

**[Browse All Security Hooks →](./examples/hooks/)**

### MCP Vetting Workflow

**Systematic evaluation before trusting MCP servers:**

1. **Provenance**: GitHub verified, 100+ stars, active maintenance
2. **Code Review**: Minimal privileges, no obfuscation, open-source
3. **Permissions**: Whitelist-only filesystem access, network restrictions
4. **Testing**: Isolated Docker sandbox first, monitor tool calls
5. **Monitoring**: Session logs, error tracking, regular re-audits

**[Full MCP Security Workflow →](./guide/security/security-hardening.md#vetting-mcp-servers)**

---

## 📖 About

This guide is the result of **6 months of daily practice** with Claude Code. The goal isn't to be exhaustive (the tool evolves too fast), but to share what works in production.

**What you'll find:**
- Patterns verified in production (not theory)
- Trade-off explanations (not just "here's how to do it")
- Security first (24 CVEs tracked)
- Transparency on limitations (Claude Code isn't magic)

**What you won't find:**
- Definitive answers (tool is too new)
- Universal configs (every project is different)
- Marketing promises (zero bullshit)

Use this guide critically. Experiment. Share what works for you.

**Feedback welcome:** [GitHub Issues](https://github.com/FlorianBruniaux/claude-code-ultimate-guide/issues)

### About the Author

**Florian Bruniaux** — Founding Engineer @ [Méthode Aristote](https://methode-aristote.fr) (EdTech + AI). 12 years in tech (Dev → Lead → EM → VP Eng → CTO). Current focus: Rust CLI tools, MCP servers, AI developer tooling.

| Project | Description | Links |
|---------|-------------|-------|
| **RTK** | CLI proxy — 60-90% LLM token reduction | [GitHub](https://github.com/rtk-ai/rtk) · [Site](https://www.rtk-ai.app/) |
| **ccboard** | Real-time TUI/Web dashboard for Claude Code | [GitHub](https://github.com/FlorianBruniaux/ccboard) · [Demo](https://ccboard.bruniaux.com/) |
| **Claude Cowork Guide** | 26 business workflows for non-coders | [GitHub](https://github.com/FlorianBruniaux/claude-cowork-guide) · [Site](https://cowork.bruniaux.com/) |
| **cc-copilot-bridge** | Bridge between Claude Code & GitHub Copilot | [GitHub](https://github.com/FlorianBruniaux/cc-copilot-bridge) · [Site](https://ccbridge.bruniaux.com/) |
| **Agent Academy** | MCP server for AI agent learning | [GitHub](https://github.com/FlorianBruniaux/agent-academy) |
| **techmapper** | Tech stack mapping & visualization | [GitHub](https://github.com/FlorianBruniaux/techmapper) |

[GitHub](https://github.com/FlorianBruniaux) · [LinkedIn](https://www.linkedin.com/in/florian-bruniaux-43408b83/) · [Portfolio](https://florian.bruniaux.com/)

---

## 📚 What's Inside

### Core Documentation

| File | Purpose | Time |
|------|---------|------|
| **[Ultimate Guide](./guide/ultimate-guide.md)** | Complete reference (23K+ lines), 10 sections | 30-40h (full) • Most consult sections |
| **[Cheat Sheet](./guide/cheatsheet.md)** | 1-page printable reference | 5 min |
| **[Visual Reference](./guide/core/visual-reference.md)** | 20 ASCII diagrams for key concepts | 5 min |
| **[Architecture](./guide/core/architecture.md)** | How Claude Code works internally | 25 min |
| **[Methodologies](./guide/core/methodologies.md)** | TDD, SDD, BDD reference | 20 min |
| **[Workflows](./guide/workflows/)** | Practical guides (TDD, Plan-Driven, Task Management) | 30 min |
| **[Data Privacy](./guide/security/data-privacy.md)** | Retention & compliance | 10 min |
| **[Security Hardening](./guide/security/security-hardening.md)** | MCP vetting, injection defense | 25 min |
| **[Sandbox Isolation](./guide/security/sandbox-isolation.md)** | Docker Sandboxes, cloud alternatives, safe autonomy | 10 min |
| **[Production Safety](./guide/security/production-safety.md)** | Port stability, DB safety, infrastructure lock | 20 min |
| **[DevOps & SRE](./guide/ops/devops-sre.md)** | FIRE framework, K8s troubleshooting, incident response | 30 min |
| **[AI Ecosystem](./guide/ecosystem/ai-ecosystem.md)** | Complementary AI tools & integration patterns | 20 min |
| **[AI Traceability](./guide/ops/ai-traceability.md)** | Code attribution & provenance tracking | 15 min |
| **[Search Tools Cheatsheet](./guide/cheatsheet.md)** | Grep, Serena, ast-grep, grepai comparison | 5 min |
| **[Learning with AI](./guide/roles/learning-with-ai.md)** | Use AI without becoming dependent | 15 min |
| **[Claude Code Releases](./guide/core/claude-code-releases.md)** | Official release history | 10 min |

<details>
<summary><strong>Examples Library</strong> (218 templates)</summary>

**Agents** (6): [code-reviewer](./examples/agents/code-reviewer.md), [test-writer](./examples/agents/test-writer.md), [security-auditor](./examples/agents/security-auditor.md), [refactoring-specialist](./examples/agents/refactoring-specialist.md), [output-evaluator](./examples/agents/output-evaluator.md), [devops-sre](./examples/agents/devops-sre.md) ⭐

**Slash Commands** (26): [/pr](./examples/commands/pr.md), [/commit](./examples/commands/commit.md), [/release-notes](./examples/commands/release-notes.md), [/diagnose](./examples/commands/diagnose.md), [/security](./examples/commands/security.md), [/security-check](./examples/commands/security-check.md) **, [/security-audit](./examples/commands/security-audit.md) **, [/update-threat-db](./examples/commands/update-threat-db.md) **, [/refactor](./examples/commands/refactor.md), [/explain](./examples/commands/explain.md), [/optimize](./examples/commands/optimize.md), [/ship](./examples/commands/ship.md)...

**Security Hooks** (31): [dangerous-actions-blocker](./examples/hooks/bash/dangerous-actions-blocker.sh), [prompt-injection-detector](./examples/hooks/bash/prompt-injection-detector.sh), [unicode-injection-scanner](./examples/hooks/bash/unicode-injection-scanner.sh), [output-secrets-scanner](./examples/hooks/bash/output-secrets-scanner.sh)...

**Skills** (1): [Claudeception](https://github.com/blader/Claudeception) — Meta-skill that auto-generates skills from session discoveries ⭐

**Plugins** (1): [SE-CoVe](./examples/plugins/se-cove.md) — Chain-of-Verification for independent code review (Meta AI, ACL 2024)

**Utility Scripts**: [session-search.sh](./examples/scripts/session-search.sh), [audit-scan.sh](./examples/scripts/audit-scan.sh)

**GitHub Actions**: [claude-pr-auto-review.yml](./examples/github-actions/claude-pr-auto-review.yml), [claude-security-review.yml](./examples/github-actions/claude-security-review.yml), [claude-issue-triage.yml](./examples/github-actions/claude-issue-triage.yml)

**Integrations** (1): [Agent Vibes TTS](./examples/integrations/agent-vibes/) - Text-to-speech narration for Claude Code responses

**[Browse Complete Catalog](./examples/README.md)** | **[Interactive Catalog](./examples/index.html)**

</details>

<details>
<summary><strong>Knowledge Quiz</strong> (271 questions)</summary>

Test your Claude Code knowledge with an interactive CLI quiz covering all guide sections.

```bash
cd quiz && npm install && npm start
```

**Features**: 4 profiles (Junior/Senior/Power User/PM), 10 topic categories, immediate feedback with doc links, score tracking with weak area identification.

**[Quiz Documentation](./quiz/README.md)** | **[Contribute Questions](./quiz/templates/question-template.yaml)**

</details>

<details>
<summary><strong>Resource Evaluations</strong> (115 assessments)</summary>

Systematic evaluation of external resources (tools, methodologies, articles) before integration into the guide.

**Methodology**: 5-point scoring system (Critical → Low) with technical review and challenge phase for objectivity.

**Evaluations**: GSD methodology, Worktrunk, Boris Cowork video, AST-grep, ClawdBot analysis, and more.

**[Browse Evaluations](./docs/resource-evaluations/)** | **[Evaluation Methodology](./docs/resource-evaluations/README.md)**

</details>

---

## 🤝 Contributing

We welcome:
- ✅ Corrections and clarifications
- ✅ New quiz questions
- ✅ Methodologies and workflows
- ✅ Resource evaluations (see [process](./docs/resource-evaluations/README.md))
- ✅ Educational content improvements

See [CONTRIBUTING.md](./CONTRIBUTING.md) for guidelines.

**Ways to Help**: Star the repo • Report issues • Submit PRs • Share workflows in [Discussions](../../discussions)

---

## 📄 License & Support

**Guide**: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) — Educational content is open for reuse with attribution.

**Templates**: [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/) — Copy-paste freely, no attribution needed.

**Author**: [Florian BRUNIAUX](https://github.com/FlorianBruniaux) | Founding Engineer [@Méthode Aristote](https://methode-aristote.fr)

**Stay Updated**: [Watch releases](../../releases) | [Discussions](../../discussions) | [Connect on LinkedIn](https://www.linkedin.com/in/florian-bruniaux-43408b83/)

---

## 📚 Further Reading

### This Guide
- **[CHANGELOG](./CHANGELOG.md)** — Guide version history (what's new in each release)
- [Claude Code Releases](./guide/core/claude-code-releases.md) — Official Claude Code release tracking

### Official Resources
- [Claude Code CLI](https://code.claude.com) — Official website
- [Documentation](https://code.claude.com/docs) — Official docs
- [Anthropic CHANGELOG](https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md) — Official Claude Code changelog
- [GitHub Issues](https://github.com/anthropics/claude-code/issues) — Bug reports & feature requests

### Research & Industry Reports

- **[2026 Agentic Coding Trends Report](https://resources.anthropic.com/hubfs/2026%20Agentic%20Coding%20Trends%20Report.pdf)** (Anthropic, Feb 2026)
  - 8 trends prospectifs (foundation/capability/impact)
  - Case studies: Fountain (50% faster), Rakuten (7h autonomous), CRED (2x speed), TELUS (500K hours saved)
  - Research data: 60% AI usage, 0-20% full delegation, 67% more PRs merged/day
  - **Evaluation**: [`docs/resource-evaluations/anthropic-2026-agentic-coding-trends.md`](docs/resource-evaluations/anthropic-2026-agentic-coding-trends.md) (score 4/5)
  - **Integration**: Diffused across sections 9.17 (Multi-Instance ROI), 9.20 (Agent Teams adoption), 9.11 (Enterprise Anti-Patterns), Section 9 intro

- **[AI Fluency Index](https://www.anthropic.com/research/AI-fluency-index)** (Anthropic, Feb 23, 2026)
  - Research on 9,830 Claude.ai conversations: iteration multiplies fluency behaviors 2× (2.67 vs 1.33)
  - **Artifact Paradox**: polished outputs (code, files) reduce critical evaluation — −5.2pp missing context, −3.7pp fact-checking, −3.1pp reasoning challenge
  - Only 30% of users set collaboration terms explicitly — CLAUDE.md addresses this structurally
  - **Evaluation**: [`docs/resource-evaluations/2026-02-23-anthropic-ai-fluency-index.md`](docs/resource-evaluations/2026-02-23-anthropic-ai-fluency-index.md) (score 4/5)
  - **Integration**: 3 callouts in §2.3 (plan review), §3.1 (CLAUDE.md), §9.11 (Artifact Paradox) + [diagram](./guide/diagrams/06-development-workflows.md#ai-fluency--high-vs-low-fluency-paths)

- **[Outcome Engineering — o16g Manifesto](https://o16g.com/)** (Cory Ondrejka, Feb 2026)
  - 16 principles for shifting from "software engineering" to "outcome engineering"
  - Author: CTO Onebrief, co-creator Second Life, ex-VP Google/Meta
  - Cultural positioning: numeronym naming (o16g like i18n, k8s), Honeycomb endorsement
  - **Status**: Emerging — on [watch list](./docs/resource-evaluations/watch-list.md) for community adoption tracking

### Community Resources
- [everything-claude-code](https://github.com/affaan-m/everything-claude-code) — Production configs (45k+⭐)
- [awesome-claude-code](https://github.com/hesreallyhim/awesome-claude-code) — Curated links
- [SuperClaude Framework](https://github.com/SuperClaude-Org/SuperClaude_Framework) — Behavioral modes

### Tools
- [Ask Zread](https://zread.ai/FlorianBruniaux/claude-code-ultimate-guide) — Ask questions about this guide
- [Interactive Quiz](./quiz/) — 271 questions
- [Landing Site](https://florianbruniaux.github.io/claude-code-ultimate-guide-landing/) — Visual navigation

---

*Version 3.37.1 | Updated daily · Mar 18, 2026 | Crafted with Claude*

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