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Claude Code Operations

The Operational Layer

The operational layer that separates power users from everyone else — hidden settings, hook architecture, model routing, subagent configuration, agent teams, and fleet deployment across machines.

Recommended: Complete Advanced Claude Code first

8 lessons~54 min total

Lessons are shown in recommended order. Complete them in sequence for the best experience — or jump to any lesson.

Lesson 181·7 min read

Hidden Settings That Change Everything

Claude Code ships with conservative defaults designed for 200K context windows. With 1M tokens available, these hidden settings unlock its full potential.

Lesson 182·8 min read

Hook Architecture — Exit Codes and Enforcement

Hooks are Claude Code's nervous system — they fire before and after every tool call. Exit codes determine whether Claude proceeds, gets warned, or is forced to change course.

Lesson 183·6 min read

The Read Limit Trap (and How to Fix It)

Claude silently truncates files at 2000 lines — and doesn't know it missed anything. Here's how to build a guard that forces chunked reads on large files.

Lesson 184·7 min read

Subagent Configuration Deep Dive

Subagents are more configurable than most people realize. Model selection, effort levels, skill inheritance, isolation, and spawn restrictions — here's the full picture.

Lesson 185·7 min read

Model Routing — Opus Where It Matters, Sonnet Everywhere Else

Not every agent needs the most powerful model. Strategic model routing across your agent fleet saves tokens without sacrificing quality — if you know where reasoning actually matters.

Lesson 186·7 min read

Agent Teams — Orchestrating Multi-Session Work

Agent Teams are Claude Code's experimental multi-agent coordination system. Unlike subagents, team members can communicate with each other — unlocking true parallel collaboration.

Lesson 187·6 min read

Skills and Profiles — Configuration at Scale

When one CLAUDE.md gets too big, Claude starts ignoring instructions. Path-scoped rules, skills, and profile management keep your configuration focused and maintainable.

Lesson 188·6 min read

Fleet Deployment — Syncing Your Setup Across Machines

Your Claude Code setup — skills, hooks, agents, settings — is only useful if it's on every machine you work on. Here's how to deploy additively across a fleet without breaking existing configs.