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Anthropic · Course

Claude Code 101

Claude Code 101 teaches developers to use Claude Code, Anthropic’s coding agent. It covers how the agent works, installing it, writing prompts, managing context, and extending it with CLAUDE.md, subagents, MCP servers and hooks.

Open at Anthropic ↗Common questions

Who it suits

  • New developers who want AI-assisted workflows from the start.
  • Experienced engineers curious about coding agents, and anyone who tried a coding assistant and found the results underwhelming.

What it covers

  • What an AI coding agent is, and the agentic loop of gathering context, acting and verifying.
  • Installing Claude Code in the terminal, VS Code, JetBrains, Claude Desktop or on the web.
  • Prompting in manual mode, auto-accept and Plan Mode, and the Explore, Plan, Code, Commit workflow.
  • Managing the context window, and keeping project memory in a CLAUDE.md file.
  • Custom subagents, MCP servers and hooks for deterministic control.

Before you start

  • Basic familiarity with a code editor and the command line.
  • A Claude account or an API key. No prior experience with AI tools is assumed.

Common questions about Claude Code 101

Who is Claude Code 101 for?
Anthropic says it is for new developers and for experienced engineers who have not yet tried coding agents.
How long is it?
Anthropic lists 12 lessons and one quiz.
What do I need to start?
Basic comfort with a code editor and the command line, and a Claude account or an API key.
What comes after it?
Anthropic’s Claude Code in action course covers longer, less supervised and team-wide workflows.

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Where this comes from

Written from Anthropic’s own pages, read on 2026-10-13. Content, prices and availability change, so the provider’s page is the source. We are not affiliated with Anthropic and this is not an endorsement.