Blog / Engineering journal

Engineering notes.
From the work.

Architecture decisions, product changes and lessons learned while building great_cto.

22 articles in the archiveFollow via RSS ↗

Read each article in its published context. For current capabilities, start with the product overview.

The archive

Ideas, decisions and releases.

Browse the dated record. Historical measurements are observations from their original runs, not current-version quality claims.

Ten more things great_cto learned in two weeks

v2.97 → v3.18: verification that stopped being a suggestion, a judge that got 48× cheaper, and a pipeline that was installed, wired, and quietly unable to run.

Ten things great_cto learned in two weeks

v2.91 → v2.96: gates that earn the right to stop asking, a pipeline that moves on your approval, and a guard we discovered had never run.

Two approvals instead of four

What changed in great_cto: the pipeline stopped needing a courier, and one check worth thirty seconds before you read the rest

Two weeks of teaching my orchestrator to stop lying to me

86 commits under one slogan: the system is allowed to not know — it is not allowed to not know confidently. A green-tests-broken-UI story, a benchmark that caught its own judge cheating, and why an empty list is the most dangerous answer an agent system can give.

GreatCTO now builds compliance-reviewed software for regulated industries — 5 new verticals, 20 new products

The catalog grew from 10 US industries to 15, and 40 products to 60 — but the news isn't the count, it's the kind. The five new verticals are all regulated: allied health, dental, insurance, accounting & tax, and law firms. Describe a product in one of them and the pipeline attaches the matching compliance reviewer — HIPAA, NAIC, SOX, or the bar rules — automatically.

The MTTR -94% claim, with receipts

47 paired P0 incidents across 12 repositories. 4 honest misses. Full methodology + how to replicate the measurement in your own repo.