Things I've written. Or will write. Eventually.
14 July 2026 · By Marco Mark
Looking back, this wasn't really a sequence of tools. It was a sequence of bottlenecks. Each stage ended when I hit a new constraint, and the next stage was whatever removed it.
Continue reading…13 July 2026 · By Marco Mark
The word harness has swallowed the whole agentic stack. Here is a cleaner five-layer model (model, harness, agent, context, workflow) and why the layer everyone now calls a harness is really a workflow.
Continue reading…18 June 2026 · By Marco Mark
A black hole is any gap in what your AI agent can see or verify. Fall into one and it improvises, hallucinates, or just makes things up. How to spot them and code around them.
Continue reading…13 April 2026 · By Marco Mark
Otto Mark of Grevenbroich-Kapellen. Master logistics coordinator. They called him Mister Circus. The story of one family at the heart of the German circus golden age.
Continue reading…13 March 2026 · By Marco Mark
A year without writing code. How everything changed, and how quickly it started feeling normal.
Continue reading…11 March 2026 · By Marco Mark
Full-stack frameworks blur client and server. AI loves that about as much as it loves implicit conventions. Time to fight.
Continue reading…6 March 2026 · By Marco Mark
The terminal is making a comeback. AI figured out what developers always knew — the command line is the most powerful runtime you've got.
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