Case studies on the things that took longer than the headline lets on.
Static analysis measures what the code looks like; git-xray-tools measures what the team does with it. Fourteen composable bash + jq tools that mine repo history for the signals coverage and linting can't reach. No LLM, no server, no data leaving the machine.
10 May 2026 · 8 min read
Building an LLM-powered query interface for an internal data exploration tool. The interesting parts aren't the prompt, they're everything around it.
29 Apr 2026 · 8 min read
A taxonomy of about thirty agents I've shipped across production codebases: what works, what doesn't, and how to roll them out without it becoming theatre.
22 Apr 2026 · 7 min read
A strangler-fig migration of a high-traffic marketplace search API onto graphql-yoga + hono, built in parallel for four months and validated by replaying every production query against the legacy service.
15 Apr 2026 · 9 min read
Six weeks of instrumentation, one flamegraph that mattered, three changes that landed in production. The story of a measurable performance win on the API the most teams depended on.
8 Apr 2026 · 6 min read
Not a methodology, a case study. The specific decisions, the IDP cadence, the calibration moments, and the parts I almost got wrong.
1 Apr 2026 · 8 min read