Essays on the engineering decisions that decide whether a RAG system is fit for regulated work. Long-form, opinionated, with worked examples from real builds.
A short ebook I wrote on the Model Context Protocol — from first principles to a working Java server on Tomcat, no framework dependencies beyond Jackson. Covers the wire format, the handshake, the four methods that matter, and the design decisions that surprise every newcomer. Free PDF download.
The single largest jump in retrieval accuracy on the Sarawak Labour Law system came from re-chunking on subsection boundaries. The embedding model never changed. Here is what I tried first, why it failed, what I changed, and what I would still do differently.
Most RAG projects skip evaluation. This is how I do it on legal builds — the three axes that matter, how to construct a test set without going crazy, and how to use LLM-as-judge without fooling yourself. Includes a link to the open-source harness.
azamzam.ai