Your Agent Is 80% Plumbing. Here Are the 12 Pieces You're Missing.
Anthropic just accidentally published the full source code of Claude Code, one of the most commercially successful agentic AI systems ever shipped. 1,902 files totaling 512,000+ lines across 29 subsystems. The entire architecture of a product doing an estimated $2.5 billion in annualized revenue, exposed because someone forgot to exclude a source map file from an npm package.