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Claude Code

An agentic coding assistant in your terminal.

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This course has 3 lessons. Start with the first one and use the next / previous links at the bottom of each lesson — the sidebar keeps the whole course in order.

Lessons

  1. Installing and configuring Claude CodeGet the terminal agent running, give it project instructions it will actually follow, and set permissions before you need them.
  2. A typical editing workflowExplore, plan, edit, verify: the loop that keeps an agent session short, reviewable and cheap.
  3. Permissions and safety with agentsPermission modes, why deny rules matter more than instructions, and the specific risks of an agent that can run shell commands.

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Last refreshed 2026-09-17.