The Harness Is the Product

Sebastian Raschka published a technical breakdown of what a coding agent harness actually needs — six components that often matter more than the model itself. The same day, Imbue's case study on running 100+ Claude agents in parallel to test and improve their own tooling arrived on Hacker News. Together they sketch what production-grade agent engineering looks like right now.

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The Wiki That Writes Itself

Andrej Karpathy published a pattern for persistent, compounding LLM knowledge bases — a structured wiki that grows smarter with each query rather than re-deriving knowledge from raw documents every time. The more interesting detail is how he shared it: not as code, but as an "idea file" — a new format for the agent era where you hand a spec to someone's agent and it builds the implementation for you.

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