The AI-Built App Worked. Then I Opened the Repo.
A year ago, I would have sent it back. This time, closing the gap between useful and releasable took an afternoon.
Read articleLocal models. Real tools. Honest measurements.
Building AI systems that earn their confidence.
I’m Mark Hall, an AI engineer at GoEngineer. I write about local language models, agentic systems, evaluation, and the engineering between a convincing demo and dependable software.
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Notes from the workbench
My Local LLM Scored 6/6. It Was Wrong Every Time.
Six months of trying to make a 1.2B model useful, and the measurement mistakes I made along the way.
Read articleOpen source project
Sir Thaddeus
A local-first AI assistant for Windows with permissioned tools, durable memory, visible evidence, and a hard stop button.