Rory Teehan
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Essays on building, thinking, and shipping.

I Built an AI Agent That Writes Its Own Rules From Its Mistakes

Mar 3, 2026

I've been running a persistent AI agent as my operational manager for the past two weeks. Not a chatbot. Not a coding assistant. An agent that builds its own behavioral rules from the mistakes it makes.

6 min readaiagentsarchitectureopen-source

What Submarines Taught Me About Hospital Emergency Management

Feb 24, 2026

The best emergency management training I ever received had nothing to do with emergency management.

4 min reademergency-managementleadershipsystems
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