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Field notes from the furnace.

Opinionated, production-scarred essays on AI systems, infrastructure, and the gap between demo and operations.

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Something's on fire Dark Furnace: How Not to Go Bankrupt While Producing Something Other Than Heat Production AI economics when the furnace is already lit. Planning a build Five sins of Agentic AI systems you will commit. Failure modes you will hit before the system is real software. Need CTO cover Detecting AI FOMO in your teams - Why Slow Is Good How FOMO warps AI adoption — and what slow, coherent looks like.

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Feb 24, 2026 Five sins of Agentic AI systems you will commit. Here are five sins of your current or future AI system. You will commit all of them. The only choice you'll make is the order you solve them or the order they would bring your system down. 3 min read agentic AIdistributed systems