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War stories and design notes from building a living context graph for AI agents. RSS

August 5, 2026·15 min read

SPARQL, Without the Semantic Web Sermon

What SPARQL actually is, the two things it does that SQL and Mongo can't, and the five places it will make you miserable. With figures you can drag.

July 16, 2026·8 min read

How to Lie to Yourself With an Eval Judge

Three ways our eval harness produced wrong accuracy numbers: a judge that couldn't see correct answers, a heuristic that accepted almost anything, and weeks of measuring code we don't ship.