Building with AI agents. Observations from practice.
Recent Posts
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Harness Engineering: When Every Agent Does the Right Thing and the Codebase Degrades Anyway
What happens when 50 AI agents/day commit to the same codebase — and why better models don't fix it.
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Soft Harness Doesn't Work
I ran 265 experiments to test whether agent instructions change agent behavior. Most of them don't.
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Building Blind
What happens when you build production systems in a language you can't read.
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Confidence Scores Are Closed Loops
Why "85% confident" tells you nothing and what to do instead.
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Meta-Orchestration Principles
Foundational principles for building reliable AI agent systems. Emerged from practice, not theory.