Margins est. 2026

A field journal for the web

Essays, notes, and the occasional half-thought on technology and the people who shape it.

No newsletter pop-up. No autoplay. Just writing — short and long, sharp and soft — about the tools we build and live inside.

★ Latest · agent-control · September 29, 2026

Agent Control - in ten short videos

What an open-source control plane for AI agents does, in ten narrated episodes. Why the rule lives outside the agent, what a control is, how a request flows, evaluators, actions, evidence, custom and model-backed evaluators, and controls as code.

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