someone put the entire Claude Code stack into one 4-hour course, from 0% to 100%:
0% → 00:24:01 - build your first app from one prompt
25% → 00:55:13 - the .claude directory: what actually runs your agent
50% → 02:35:29 - creating skills
75% → 03:11:08 - turning skills into subagents
100% → 03:26:27 - agent teams: many agents, one job
most people stop at the first prompt and never leave it
this is the full path from one prompt to a harness that runs without you
watch it today, then read the full harness architecture in the article below ↓
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