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Claude Code Unpacked : A visual guide

What actually happens when you type a message into Claude Code? The agent loop, 50+ tools, multi-agent orchestration, and unreleased features, mapped straight from the source.

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The Agent Loop

From keypress to rendered response, step by step through the source.

1Input2Message3History4System5API6Tokens7Tools?8Loop9Render10Hooks11Await

Architecture Explorer

Click around the source tree to explore what's inside.

utils/564 filescomponents/389 filescommands/189 filestools/184 filesservices/130 fileshooks/104 filesink/96 filesbridge/31 filesconstants/21 filesskills/20 filescli/

Tool System

Every built-in tool Claude Code can call, sorted by what it does.

Click a tool to see details and source code

Command Catalog

Every slash command available in Claude Code, sorted by what it does.

Debugging & Diagnostics23

Advanced & Experimental23

Click a command to see details and source code

Hidden Features

Stuff that's in the code but not shipped yet. Feature-flagged, env-gated, or just commented out.

Click a feature to explore