Post #399285 54 Sep 18, 2026, 01:50 UTC Claude Code from Sourcehttps://claude-code-from-source.com/ Claude-Code-From-Source Claude Code from Source — Architecture, Patterns & Internals A technical book analyzing the architecture of Anthropic's AI coding agent. 18 chapters, 400 pages, reverse-engineered from source maps. No source code — only transferable patterns.