Claude Code Hooks, Subagents & Power Features: The Complete Guide (2026)

Most people use Claude Code like a chatbot. Type a question, get an answer, type another question. That's maybe 20% of what it can do. The other 80% -- hooks, subagents, custom slash commands, memory, auto mode -- is where it stops being a chatbot and starts being an autonomous coding partner. One that enforces your standards automatically, runs parallel workers on different parts of your codebase, remembers your project across sessions, and operates with minimal hand-holding. We've been deep in these features since they shipped, and this is the guide we wish we had when we started. No docs rewriting. Just the practical stuff that actually changes how you work. Claude Code Hooks: Automate Everything Here's the fundamental problem with CLAUDE.md instructions: they're advisory. Claude follows them roughly 80% of the time. That's fine for coding style preferences. It's not fine for "never force-push to main" or "always run the linter after editing." Claude Code hooks solve this. They're d