agent-architecture
3 articles
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 (Claude in Excel, Microsoft Copilot, Shortcut AI), comparing their tool schemas, overwrite protection, verification loops, and memory systems. The model doesn't matter — tool architecture is everything. He then ran the same DCF valuation prompt on all three, audited every formula, and found wildly different quality levels that map directly to architectural choices.
Cut Token Costs by 75%: A Practical Guide to System Prompt Layering
An AI Agent burns 34,500 tokens of system prompt every single conversation turn. The author used layered loading (always-on vs on-demand) plus a dual-model strategy to cut monthly costs from $568 down to $120-150 — a 75% reduction. Full breakdown with real numbers inside.