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Field notes on shipping AI.

What we learn building agents, RAG systems and LLM applications that have to work on Monday morning.

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· 4 min read

What a production AI agent actually needs

A demo agent needs a prompt and a model. A production agent needs a scope, narrow tools, approval gates, evals, tracing and a budget. Here is the checklist we use before anything goes live.

  • #AI agents
  • #Engineering

· 3 min read

RAG vs. fine-tuning: how to choose for enterprise knowledge

If the goal is answering from your own documents, start with retrieval. Fine-tuning changes how a model behaves, not what it knows today. A practical guide to choosing — and combining — the two.

  • #RAG
  • #LLM engineering