Case studyEP001203:43· 2026/05/11
Claude Code 101 #1: The three must-install tools
The highest-engagement video on the account (4,508 likes / 6,416 saves). CLAUDE.md, ECC and HUD — what each one does and why installing all three gets you straight to work. The most common question in the comments is simply how to install them.
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EP0012
Key points
- CLAUDE.md pins project context so AI knows your conventions from the first line
- ECC extends capability through the plugin layer
- HUD makes state visible
- All three together, and you can start working without further setup
Points come from the platform's AI chapter, not a full transcript. Watch the original on Douyin for the complete audio.
Next · EP0011
A dumpling shop turns AI into a skill