Claude Code Unpacked : A visual guide (ccunpacked.dev) AI

Claude Code Unpacked is a visual, source-based guide that walks through how Claude Code works, from user input and an agent “loop” to rendering responses, tool execution, and command handling. It catalogs Claude Code’s built-in tools, slash commands, and optional/hidden features (including unreleased or feature-flagged capabilities), with links to the relevant parts of the codebase. The site is unofficial and notes that some details may be outdated or inaccurate.