Letters
Excerpts from Pattern Engine. Each one links to the full letter on Substack.
25 March 2026
Pattern Card #1: Attention
What you lose when a model reads the sources for you.
6 March 2026
Why I Started Pattern Engine
Why I started a newsletter about using AI without handing over your thinking.
About Me
I build applied AI systems in regulated healthcare. On my own time, I write Pattern Engine and publish the tools I make along the way.
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Pattern Engine is where I share my best thinking, tools and workflow guidance. You can read it and subscribe for free.





