Local 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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Open source project

Sir Thaddeus

A local-first AI assistant for Windows with permissioned tools, durable memory, visible evidence, and a hard stop button.

Runs with local models Audited tool execution Evidence-driven experiments View on GitHub