Skip to main content

Claude Code Guide

Navigation Explore Code Guide

Guide Complete guide →

Start

Start Learn Claude Code and choose the path that fits your role. All 9 pages in Start →

Essentials

Quick Start Install Claude Code and complete a first task. Learning Paths Follow a structured path from first use to team practice. Knowledge Quiz Test your knowledge across tools, workflows, and safety. AI Roles Find the responsibilities and skills closest to your work.

Go further

By role

Product Managers Use specs, prototypes, and review without losing product judgment. Tech Leads Standardize configuration, review, and team rollout. CTOs Frame the business case, controls, and adoption signals. CIOs & CEOs Read the executive brief and decision boundaries. Security practitioners Check cyber access first, then scan, isolate, and scope tests.

Build

Build Engineer agents, context, workflows, and tool integrations. All 17 pages in Build →

Featured projects

🌉CC-Copilot Bridge↗🧭Agent Router↗⚡RTK↗ All 20 projects →

Essentials

Workflows Use runnable patterns for planning, delivery, and delegation. Agent Engineering Design bounded loops, graphs, checkpoints, and recovery. Context Engineering Tools Compare compression, RAG, gateways, and LLMOps tools. CLAUDE.md Best Practices Structure durable project instructions and boundaries.

Go further

Engineering

AI Design Patterns Map GoF and resilience patterns onto hooks, subagents, and limits. Context Configurator Choose a context strategy for your repository and task. Memory Systems Choose native, cross-session, or team-shared memory. Methodologies Select a disciplined AI-assisted development approach.

MCP & tools

Claude Code Guide MCP Server Install and use the public guide MCP server. MCP Technical Guide Inspect architecture, privacy, tools, and troubleshooting. MCP or CLI? Get an interactive recommendation for your situation. MCP vs CLI Reference Compare trade-offs and choose the smallest interface. Ecosystem Explore complementary tools and multi-provider workflows. AI Coding Tools Comparison Compare Claude Code with other AI coding tools.

New workflows

Monitor & Safe Event Delegation Turn external events into verified, deduplicated, gated, and isolated agent work. Agentic Software Factories Move from one coding session to governed multi-run production without adding a control plane too early. Team AI Instructions Scale shared AI instructions across a team while preserving ownership, review, and local autonomy.

Scale

Scale Make agent systems reliable, governable, and sustainable. All 12 pages in Scale →

Featured projects

📊CCBoard↗📈cc-skill-usage↗ All 20 projects →

Essentials

Agent Harness Engineering Build the control and verification layer around the model. Team Adoption Plan rollout, trust calibration, and shared practice. Enterprise Governance Define usage charters, approvals, and risk tiers. AI FinOps Cost regimes, levers, and dated market prices.

Go further

Reliability

Agent Evaluation Measure quality, behavior, and regressions across runs. Observability Trace reliability, failures, cost, and recovery.

Organization & Economics

Team Metrics Measure outcomes without turning proxies into productivity. Lean and AI Trace work from demand to accepted user outcome. Team Knowledge Preserve and share operational context across teams. Token-saving tools, measured A catalogue of 45 tools, eight public benchmarks and 15 preprints. Subscription Strategy Choose seats, APIs, gateways, and provider portfolios. AI Unit Economics Understand accepted-task cost and spend controls.

Security

Security Know the attack surface of coding agents before it reaches production. Open the security hub → All 7 pages in Security →

Essentials

Threat Intelligence Attack techniques, malicious skills, and active campaigns affecting coding agents. CVE Database Search tracked Claude Code and MCP vulnerabilities by CVE, severity, and fixed version. Hardening Five-minute, workstation, and team controls with permissions, hooks, and checklists. Sandbox Compare isolation modes, avoid common failures, and verify a configuration.

Go further

Guardrails

Production Safety Add guardrails, review gates, rollback, and resilience. Data Privacy Control sensitive data, retention, and access.

Resources

Resources Choose the format that fits the task and depth you need. All 18 pages in Resources →

More projects by the author

📦Agent Router core↗📦claude-code-plugins↗🧭ctxharness↗✂️flow-lean↗📋CC-Sessions↗🌿Worktree Sweep↗🛡️agentsec-triage↗🔎dep-scope↗💼Claude Cowork Guide↗🎬yt-insights↗📄Paper Insights↗📈Search Console MCP↗🗺️StarMapper↗🔥github-roast-tpc↗ All 20 projects →

Essentials

Offline Downloads Get PDF and EPUB editions in English and French. Ebooks Read long-form guides and research in PDF. Cheat Sheet Keep essential commands on one printable page. Examples Reuse production-ready agents, hooks, commands, and skills.

Go further

Reference

All Resources Browse the curated resource hub. Recap Cards Use compact technical, methodology, and design cards. Diagrams Inspect visual maps of architectures and workflows. Glossary Look up Claude Code and agent-engineering terminology. FAQ Find direct answers to recurring questions.

Library

Related Projects Explore open-source companion tools from the author. Blog ↗ Read field notes and longer engineering articles.

What's new

Guide Changelog See new pages, corrections, and major revisions. Claude Code Releases Track product changes and their operational impact. RSS Feed Follow updates in your preferred reader.

Latest guide references

Mistral Large 4 October 6 launch evidence: pricing, benchmark conditions, regional processing, and planned weights. Translations and Language Status Read the canonical, maintained, and community editions with explicit version, sync date, and coverage status. Agent Harness Landscape Compare 192 projects while separating strict runtimes, control planes, repository harnesses, and adjacent infrastructure. Practitioner Insights Trace field reports and academic evidence back to named speakers, videos, papers, and explicit limits.

All pages Site map → Sponsor ↗ (opens in a new tab) GitHub repository ↗

Star repository Follow Florian

NOV 2026 Latest guide updates. Latest: AI Design Patterns · Local vs cloud AI · Grill me · Changelog →

Home › Glossary › Claude Fable 5.1

Models Tier

Claude Fable 5.1

Highest-capability model for demanding reasoning and long-horizon agentic work, $10/$50 per MTok, selected explicitly and subject to account access.

Related terms in Tier

Claude Haiku 5.5 Anthropic's fastest and cheapest current model: native 1M context, $0.10/$0.50 per MTok for prompts...
Claude Opus 5.5 Default Opus model in Claude Code since v2.1.280: native 1M context, $4/$20 per MTok, medium effort...
Claude Sonnet 5.5 Default Sonnet model on the Anthropic API since Claude Code v2.1.284: native 1M context, $2/$10 per...

See all 179 terms

Ready to master Claude Code?

Start with the free, open-source Claude Code guide.

Read the Guide →

Claude Code from beginner to power user.

Documentation

Ultimate guide
MCP server
Translations
Quick reference
Recap cards
Ebooks (PDF)
Architecture
Data privacy

Resources

Quiz
Learning
AI roles
Methodologies
Diagrams
Security
Examples
Compare
Guide changelog
Claude Code releases
Context
Context engineering tools
Team metrics
Ecosystem
FAQ
Glossary
LLM reference

Community

GitHub repo
Contribute
Report issues
Dev with AI (FR)
Share on X
Share on LinkedIn
Blog and portfolio

Ecosystem

cc-copilot-bridge
agent-router
agent-router-core
claude-code-plugins
ctxharness
flow-lean
rtk
ccboard
cc-sessions
cc-skill-usage
wt-sweep
agentsec-triage
dep-scope
claude-cowork-guide
yt-insights
paper-insights
google-search-console-mcp
starmapper
github-roast-tpc

CC BY-SA 4.0 • AI engineering consulting by Florian BRUNIAUX • GitHub

All pages Built with Astro · Deployed on GitHub Pages

Esc

Start

9 pages

Learn Claude Code and choose the path that fits your role.

Quick Start Install Claude Code and complete a first task. Learning Paths Follow a structured path from first use to team practice. Knowledge Quiz Test your knowledge across tools, workflows, and safety. AI Roles Find the responsibilities and skills closest to your work.

All 9 pages in Start →

Build

17 pages

Engineer agents, context, workflows, and tool integrations.

Workflows Use runnable patterns for planning, delivery, and delegation. Agent Engineering Design bounded loops, graphs, checkpoints, and recovery. Context Engineering Tools Compare compression, RAG, gateways, and LLMOps tools. CLAUDE.md Best Practices Structure durable project instructions and boundaries.

All 17 pages in Build →

Scale

12 pages

Make agent systems reliable, governable, and sustainable.

Agent Harness Engineering Build the control and verification layer around the model. Team Adoption Plan rollout, trust calibration, and shared practice. Enterprise Governance Define usage charters, approvals, and risk tiers. AI FinOps Cost regimes, levers, and dated market prices.

All 12 pages in Scale →

Security

7 pages

Know the attack surface of coding agents before it reaches production.

Threat Intelligence Attack techniques, malicious skills, and active campaigns affecting coding agents. CVE Database Search tracked Claude Code and MCP vulnerabilities by CVE, severity, and fixed version. Hardening Five-minute, workstation, and team controls with permissions, hooks, and checklists. Sandbox Compare isolation modes, avoid common failures, and verify a configuration.

Open the security hub →

Resources

16 pages

Choose the format that fits the task and depth you need.

Offline Downloads Get PDF and EPUB editions in English and French. Ebooks Read long-form guides and research in PDF. Cheat Sheet Keep essential commands on one printable page. Examples Reuse production-ready agents, hooks, commands, and skills.

All 16 pages in Resources →

Guide

7 pages

Browse the complete guide, chapter by chapter.

Monitor & Safe Event Delegation Turn external events into verified, deduplicated, gated, and isolated agent work. Agentic Software Factories Move from one coding session to governed multi-run production without adding a control plane too early. Team AI Instructions Scale shared AI instructions across a team while preserving ownership, review, and local autonomy. Mistral Large 4 October 6 launch evidence: pricing, benchmark conditions, regional processing, and planned weights.

Browse the complete guide →

What's new Guide Changelog Claude Code Releases RSS Feed Browse all pages →

↑↓ navigate ↵ open Tab next section Esc close

🐛 Report a bug 💡 Suggest content ❓ Quiz issue 💬 General feedback