Claude Code Mastery

## ✨ MDD — Manual-Driven Development: standalone package
MDD turns Claude Code into a structured development partner: every feature starts with documentation, every fix starts with an audit. 21 modes covering build, audit, planning, ops runbooks, and more — all via /mdd in any Claude Code session.
Install: npm install -g @thedecipherist/mdd && mdd install
GitHub →  ·  npm →
## 🚀 NEW 2-14-2026: Claude Code Mastery Starter Kit
Everything from V1–V5 baked into a production-ready project template. 16 slash commands, deterministic hook enforcement, a battle-tested MongoDB wrapper, live AI monitoring, and three-layer security — all wired up and ready to clone. Stop configuring, start building.

Claude Code Mastery V2 (Obsolete)

The complete guide to maximizing Claude Code: Global CLAUDE.md, MCP Servers, Commands, Hooks, Skills, and Why Single-Purpose Chats Matter.

This version is obsolete by now. Please use the new Claude Code Mastery Starter Kit instead

Previous versions:

V5

V4

V3

TL;DR: Your global ~/.claude/CLAUDE.md is a security gatekeeper AND project scaffolding blueprint. MCP servers extend Claude's capabilities. Custom commands automate workflows. Hooks enforce rules deterministically (where CLAUDE.md can fail). Skills package reusable expertise. And research shows mixing topics in a single chat causes 39% performance degradation.

📚 Table of Contents

- Quick Start
- The Guide
- Repository Contents
- Installation
- Contributing
- Sources

🚀 Quick Start

📖 The Guide

📱 Read V3 on GitHub Pages | 📄 View GUIDE.md (V3)

What's Covered

📁 Repository Contents

🔧 Installation

Prerequisites

- Claude Code installed
- Python 3.8+ (for Python hooks)
- jq (for JSON parsing in shell hooks)

Step-by-Step

1. Install Hooks

2. Configure Settings

3.…