Agent-Native OS
Onboarding Resources FAQ
/| Lesson 01 · Read before Sunday

Claude is not
a chatbot.

Sunday's whole day rides on this one shift. Below: the words you'll hear us use, and what they mean. Two definitions per term — a plain-speak line for everyone, and an under the hood line for people who want the wiring diagram. Hit Ctrl+F like a champion.

/| The shift

Three things Claude does
that a chatbot doesn't.

01
Reads your files.
Your repo, your notes, your config. Not just what you paste into chat.
02
Runs commands on your computer.
Installs things, opens apps, sends iMessages, hits APIs. With your permission.
03
Persists context between sessions.
Knows who you are, what you're working on, how you like to work. Across days.
/| The surfaces

Three doors into Claude Code.

SUNDAY · PRIMARY
Desktop app
Pretty UI. Lower curve. Fewer footguns. Mac & Windows. This is what we use.
SHOWN
CLI · claude
Most powerful. New features ship here first. Mac/Linux native, Windows via WSL2.
MENTIONED
VS Code extension
Side panel inside your editor. Lags the CLI on new features.
/| The full lexicon
— terms
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