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The Claude Bible

A free, complete and interactive course to master Claude, Claude Code, Claude Cowork and the Claude API. 19 modules, 212 lessons, beginner to expert. No signup.

Open the interactive course212 lessons, quizzes, exercises, 3 languages, free.

All modules

OrientationHow to read this Bible and what you will be able to do by the end.
LLM foundationsTokens, context, temperature, the Claude family. The bedrock.
Talking to ClaudeThe heart of prompt engineering: the 9 chapters of Anthropic's tutorial, the practical version.
Claude.ai and CoworkAdvanced chat (Projects, artifacts) and Cowork, the agentic coworker on your machine.
Claude Code: fundamentalsThe agent in the terminal. The loop, slash commands, CLAUDE.md, permissions.
Extending Claude CodeSkills, MCP, sub-agents, hooks, plugins, agent teams. Where Claude Code becomes a platform.
Advanced prompt engineeringChaining, tool use, multi-vendor composition (Frankenstein), citation, anti-hedging.
Context and costDoubling effective capacity: KV-cache, masking, compaction, partitioning, quota.
The second brainPersistent memory, Obsidian, Graphify, Dream. Building a system that remembers and learns.
Multi-agent orchestrationFan-out, pipelines, adversarial verification, judge panels. Putting fleets of agents to work.
Other LLMs and routingThe model landscape, the refusal map, picking the right tool for each task.
Claude Code recipesConcrete end-to-end recipes for everyday coding tasks.
Claude Code power tipsThe small high-leverage tricks that make a power user.
Agents and automationFrom the Agent SDK to scheduled cloud agents and CI.
Safety, security and good practiceSecrets, permissions, injection, and verifying AI work.
The Claude API for buildersCalling Claude directly: messages, tools, streaming, batch.
Real world playbooksMulti-step project patterns that combine everything.
Troubleshooting and recoveryWhen things go wrong and how to recover.
Workshop and capstonesThe interactive playground, the synthesis projects, and the practitioner's checklist.

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Master Claude, Claude Code and LLMs, from your first prompt to multi-agent orchestration.

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