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Notes on AI & Data Engineering

Stuff I've built, broken, and figured out along the way.

Latest Post

You Can't Vibe-Code an AI Agent: Loop Engineering in Fermix

Fermix was not built in one prompt. It was built as loops: a design doc per milestone, a failing test first, unit tests for the mechanics, and an eval suite that grades the real model on real queries off an Opik trace.

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Scaling Fermix Agent Tools Without Bloating the Context Window

Scaling Fermix Agent Tools Without Bloating the Context Window

Fermix: the personal AI agent I rebuilt in Elixir

Fermix: the personal AI agent I rebuilt in Elixir

How I Made OBaI’s Agents Leaner with OpenAI Agents SDK

How I Made OBaI’s Agents Leaner with OpenAI Agents SDK

I Built a Wall Street Research Desk with AI Agents

I Built a Wall Street Research Desk with AI Agents

How I Set Up Openclaw on a Mac Mini

How I Set Up Openclaw on a Mac Mini

Today I Learned

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