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 Hotspots now handles monorepos — what changed from v1.11 to v1.15.1

Hotspots now handles monorepos — what changed from v1.11 to v1.15.1

Stephen Collins • Apr 24, 2026
5 mins
The diff command shipped in v1.11. Since then — four months of OOM fixes, a new SQLite pipeline, hybrid touch mode, and --aut...
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Running Hotspots on expo/expo Without Running Out of Memory

Stephen Collins • Apr 12, 2026
6 mins
expo/expo crashed Hotspots with an OOM. Here's the full account — what broke, the systematic fixes across memory and CPU, and...
Read More thumbnail image for hotspots diff: Compare Complexity Between Any Two Branches, Tags, or Commits

hotspots diff: Compare Complexity Between Any Two Branches, Tags, or Commits

Stephen Collins • Mar 26, 2026
8 mins
Delta mode compares a commit to its parent. That's fine for local development — but CI needs to compare a PR branch to main, ...
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