Operator / Builder / Writer

Juan Mackie.

I work in fire protection. Outside it, I build software, explore practical AI, and write about useful systems.

This is a record of what I am making, what I have learned, and what I am still working out.

Selected projects

Useful things, made concrete.

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Writing

Notes from the work.

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Agent Memory Stack — SQLite + Mnemosyne

How a two-loop agent memory stack uses SQLite and Mnemosyne for durable, searchable, self-improving memory.

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Away from the workbench

Books, records, and ideas worth keeping.