Advanced

Topics beyond the basics. Read the main guide first.

• Hooks — run commands automatically on Claude Code events (e.g., before/after tool calls).
• Slash commands and subagents — define custom /commands and specialized subagents in your project.
• Routines — scheduled remote Claude Code agents that run in the cloud on a cron.
• Authentication — API keys, OAuth flows, and where secrets actually live.

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Table of contents

• Hooks
• Slash commands and subagents
• Authentication
• Routines