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AI engineering

AI engineering

How to evaluate a RAG system before your users do

"It seems to work" is not a test. Here is the small, boring evaluation setup that tells you whether your RAG system is getting better or worse with every change.

Sep 2026 · 4 min read
AI engineering

RAG inside a Laravel app, without a Python service

You do not need a separate stack to do retrieval properly. Here is the setup I use — embeddings, vector search and an evaluation loop — living inside the PHP app that already owns the data.

Aug 2026 · 2 min read