Tools & Insights for Building
with AI

Practical guides, open-source utilities, and experiments in AI & software engineering - created and tested by me, Stephen Collins.

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thumbnail image for AI Made Code Cheap. The Bottleneck Is Now Understanding Systems.

AI Made Code Cheap. The Bottleneck Is Now Understanding Systems.

Stephen Collins • Mar 8, 2026
6 mins
AI removed code production as the engineering bottleneck. The new constraint is comprehension — and most developer tooling wa...
Read More thumbnail image for I Built a CLI to Find the Riskiest Code in Any Repo — Introducing Hotspots

I Built a CLI to Find the Riskiest Code in Any Repo — Introducing Hotspots

Stephen Collins • Mar 1, 2026
5 mins
Every codebase has a small cluster of files that cause most of the pain—slow reviews, recurring bugs, incident after incident...
Read More thumbnail image for How to Use Distributed SQLite and Merkle Trees to Detect Divergence

How to Use Distributed SQLite and Merkle Trees to Detect Divergence

Stephen Collins • Sep 29, 2025
4 mins
Learn how to simulate multiple SQLite databases as independent peers and use Merkle trees as immutable fingerprints to detect...
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