shareAI-lab/learn-claude-code

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Legacy 12-lesson track	Current 17-lesson track	Topic
old s01	new s01	Agent Loop
old s02	new s02	Tool Use
old s03	new s05	TodoWrite
old s04	new s06	Subagent
old s05	new s07	Skill Loading
old s06	new s08	Context Compact
old s07	new s10	Task System
old s08	new s11	Background Tasks
old s09	new s13	Agent Teams
old s10	new s13	Team Protocols
old s11	new s13	Autonomous task claiming
old s12	new s13	Task-bound worktrees
new only	s03, s04, s09, s12, s14, s15, s16, s17	Permission, Hooks, Memory, Cron, MCP, Integrated Harness, Workflow Runtime, Goal Loop

Chapter	Topic	Key Concepts
s01	Agent Loop	`messages` / `while True` / `tool_use`
s02	Tool Use	`TOOL_HANDLERS` / dispatch map / concurrency
s03	Permission System	`PermissionRule` / approval pipeline
s04	Hook System	`PreToolUse` / `PostToolUse` / extension points
s05	TodoWrite	`TodoItem` / plan-then-execute
s06	Subagent	`fresh messages[]` / context isolation
s07	Skill Loading	`SkillLoader` / catalog / on-demand injection
s08	Context Compact	tool_result_budget / snip_compact / micro_compact / compact_history
s09	Memory System	selection / extraction / consolidation
s10	Task System	`TaskRecord` / `blockedBy` / disk persistence
s11	Background Tasks	threaded execution / notification queue
s12	Cron Scheduler	durable scheduling / session-scoped triggers
s13	Agent Teams	persistent teammates / atomic task claims / task-bound worktrees / typed protocols
s14	MCP Plugin	tool discovery / namespaced tools / tool pool assembly
s15	Integrated Harness	tools, runtime context, tasks, teams, scheduling, and MCP around one loop
s16	Workflow Runtime	script orchestration / lifecycle events / journal resume
s17	Goal Loop	goal gate / conversation evaluation / automatic continuation

shareAI-lab/learn-claude-code

Learn Claude Code -- Harness Engineering for Real Agents

Agency Comes from the Model. An Agent Product = Model + Harness.

Where Agency Comes From

What an Agent Is NOT

The Mindshift: From "Building Agents" to Building Harnesses

What Harness Engineers Actually Do

Why Claude Code

Core Pattern

Version Status

Legacy-to-Current Mapping

Course Boundary

17 Progressive Lessons

Learning Path

All Chapters

How to Read

Quick Start

Current 17-Lesson Track

Legacy 12-Lesson Track

Web Platform

Project Structure

What's Next

Kode Agent CLI -- Open-Source Coding Agent CLI

Kode Agent SDK -- Embed Agent Capabilities in Your Application

Sister Tutorial: From Passive Sessions to Always-On Assistants

License