blog1 post30 topicsfiltered: applied-ai

Notes from the field.

Working notes on the craft — engineering at scale, the AI-era developer experience, frontend that most teams leave on the table, and whatever else has my attention this week.

Building Kev-O: a grounded RAG chatbot trained on my own writing
Kev-O answers questions about my work using only the public corpus I've written. Hybrid BM25 plus cross-encoder rerank, Claude streaming through the Vercel AI SDK, a daily USD cap so it can't blow up my API bill. Three surfaces, one brain. Here's what I built and what choices ended up mattering.
ai
rag
retrieval
streaming
open-source
applied-ai
May 15, 20267 min

Building Kev-O: a grounded RAG chatbot trained on my own writing