Journal
Reflecting on some of the toughest challenges I've tackled in my career.

Trust, But Re-Execute
An agent that writes analytics reports will eventually invent a statistic. Ours announced a 26.7% reply rate no query produced. This is how Spot's report generation was rebuilt so a report cannot state a number it didn't compute — and the blind, adversarial scoreboard that proves it.
Agentic AILLMsPythonPostgreSQLReact.jsSQL

The AI Agent's Best Tool Is Fewer Tools
A capable model with ten tools burns through its step budget before it can answer anything. So Stir routes every query through a tiny classifier first, scopes the main model to a four-tool subset per intent, and short-circuits one-word queries with zero LLM calls.
Vercel AI SDKAgentic AIZodLLMs