---
title: Lucien George | Writing
description: "Writing by Lucien George on product engineering: AI applications and retrieval, desktop and native app work, testing, and the parts that turned out to be wrong."
url: https://www.luciengeorge.com/writing
---

# Lucien George | Writing

Notes on things Lucien has built, how they work, and where they turned out to be wrong. Each entry links to its own markdown page.

## [A portfolio that answers questions about me, gated by an LLM judge](https://www.luciengeorge.com/writing/rag-portfolio-with-a-blocking-eval-gate.md)

Published 2026-08-13

The same markdown renders the pages and grounds the chat, and a 57-case eval suite runs the real retrieval pipeline on every pull request. Including the run where the gate finally failed, and what it caught was the harness rather than the assistant.