Want to Think Like a Claude Architect? Here's the Cheat Sheet (No Certification Needed)

Someone took the Claude Certified Architect exam content and broke it all down — five domains, core concepts, anti-patterns, and hands-on suggestions. The certificate doesn't matter; the knowledge does.

Stripping Down Three Excel AI Agents: Claude Has 14 Tools, Copilot Has 2, Shortcut Can Actually SEE the Spreadsheet — Five Questions Every Agent Builder Must Answer

Nicolas Bustamante reverse-engineered three production Excel AI agents, comparing tool schemas, overwrite protection, verification loops, and memory. Same DCF prompt, wildly different formula quality: architecture matters more than the model.