Foundation · Foundation · 02 · Week 2
How Claude Code thinks
Context, models and cost, memory, permissions, and planning - the mental model that separates people who fight the tool from people who fly with it.
- 01Context: the one concept that mattersUnderstand the context window and what fills it45 min
- 02Models, effort and costRoute each task to the right model and effort level, and know what each costs50 min
- 03CLAUDE.md: teaching Claude your worldWrite a CLAUDE.md that actually changes behavior60 min
- 04Permissions, approvals & guardrailsConfigure what Claude may do with and without asking40 min
- 05Plan mode, review & staying in controlUse plan mode for anything non-trivial45 min