KeyVec

keyvec

A personal site about LLM systems, data, and tooling, plus the projects I build. More about me.

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Writing

All 2 posts
  1. A Retrieval Eval That Survives Index Changes

    Notes on building a small, fixed question set for a RAG system so it measures correctness instead of quietly agreeing with whatever the current index returns.

  2. Evidence-First LLM Systems

    A working note on the question this site keeps returning to: what evidence should technical work leave behind, and how to design pipelines so the evidence is a byproduct, not a chore.

Projects

All 1 project
  1. RAG Evaluation HarnessActive · 2026

    A repeatable loop for measuring retrieval quality, citation grounding, and refusal behavior in a small knowledge-base assistant — built so each run leaves behind debuggable evidence.

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