A while back I argued that context engineering had quietly replaced prompt engineering as the skill that decides whether an agent is any good [1]. That piece was the framing. This one is the build. I …
RAG
3 posts tagged RAG · all tags
2026
From Prompt to Context to Memory: The Arc, Grounded on AWS
Vector Search, From the Whiteboard to the Cloud
🎬 Also available as a blog walkthrough video: a narrated screencast of this post. TL;DR: Vector search is easy to picture on a whiteboard: turn text into a list of numbers, then find the stored items …
Is RAG Still Needed with 1M+ Token Context Windows?
The Kofferklausur, Revisited In September 2024, a colleague asked an audience: “What is RAG?” I answered: Kofferklausur [1]. For non-German speakers: a Kofferklausur is an open-book exam. You bring yo…