The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Claude Code Ultimate Guide
The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, quizzes, and production-ready templates. 430K+ lines.
Install
claude mcp add --scope user claude-code-guide -- npx -y claude-code-ultimate-guide-mcp@1.3.6Install command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →Claude Code Ultimate Guide
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<strong>Florian BRUNIAUX</strong> · AI Founding Engineer @ Méthode Aristote
13 years from developer to CTO / VP Eng · Blog ↗ · Projects ↗
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Learn Claude Code, build reliable agents, and scale their use safely. The website is the primary reading and discovery interface. This repository contains the canonical Markdown sources, reusable files, machine-readable indexes, and contribution history.
Start here: complete a first task online · browse the guide portal · open the complete sitemap · read the Markdown source
Choose your next step
The table below is generated from machine-readable/navigation.json. The same contract feeds the public sitemap, so the repository and website expose the same intent model.
| Intent | Browse online |
|---|---|
| Start | Guide portal · Quick Start · Learning Paths · Quick Reference · AI Roles |
| Build | Agent Harness Engineering · Loop & Graph Engineering · Context Engineering · Memory Systems · Workflows · Methodologies · MCP or CLI? · Examples |
| Scale | Security · Enterprise Governance · Observability · Team Metrics · Team Adoption · AI FinOps · LLM Market Snapshot · Subscription Strategy · AI Unit Economics · Team Knowledge · API Gateway |
| Resources | Resource Hub · Downloads · Cheat Sheets · Ebooks · Diagrams · Ecosystem · Compare · Glossary · FAQ · Guide MCP Server · Related Projects |
| Updates | Guide Changelog · Claude Code Releases · RSS Feed |
Why this guide exists
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