Learn Claude Code Anthropic published a Claude Code study map generated from the Claude Code documentation at code.claude.com/docs, last updated September 21, 2026. The map organizes Claude Code concepts into stages numbered 1 through 6, spanning setup topics such as install and first run, the agentic loop, and permission modes through advanced areas including the Agent SDK, LLM gateways, and organization rollout. Each concept is marked as learned, changed since the last visit, or newly added. The number on each concept is its stage. ✓ learned, ↻ changed since you learned it, "new" added since your first visit. Claude Code study map Get started Install and first run 1 Common workflows 1 Best practices 1 Instructions and memory CLAUDE.md 1 Auto memory 1 .claude directory 3 Output styles 3 Large codebases 5 Parallel work Subagents 3 Agent view 4 Agent teams 4 Dynamic workflows 4 Git worktrees 4 Session messaging 4 Projects 4 Tune and debug Models and effort 5 Prompt caching 5 Costs and usage 5 Debugging config 5 Agent SDK SDK basics 6 Claude Code features 6 Custom tools and MCP 6 Sessions, streaming 6 Control, telemetry 6 System prompts 6 Hosting, security 6 How it works Agentic loop 1 Built-in tools 1 Context window 1 Checkpoints, /rewind 1 Sessions 1 Slash commands 1 Where it runs Terminal CLI 2 Terminal setup 2 VS Code, JetBrains 2 Desktop app 2 Web sessions 2 Remote and mobile 2 Slack, Claude Tag 2 Chrome, computer use 2 Automate Headless claude -p 4 GitHub, GitLab CI 4 Code review 4 Security scanning 4 Routines 4 /loop and /goal 4 Channels 4 Deep links 4 Teams and enterprise Organization rollout 6 Managed settings 6 Providers and auth 6 LLM gateways 6 Network and proxies 6 Cloud environments 6 Monitoring 6 Extend Claude Choosing extensions 3 Skills 3 Hooks 3 MCP servers 3 Plugins 3 Artifacts 4 Safety and control Permission modes 1 Permission rules 5 Sandboxing 5 Settings scopes 5 Security and data 5 Generated from the Claude Code documentation at code.claude.com/docs and refreshed as it changes. Last updated September 21, 2026.