Writing
Notes on machine learning performance and on building systems that hold up when someone checks the numbers.
25 September 2026, 3 min read
A release of Powertools for AWS Lambda started crashing OpenAPI schema generation for any route whose response model was list[Item]. The cause was a deep copy and an identity check that could never match. Here is how I tracked it down and why the fix was one character.
23 September 2026, 6 min read
VoiceMax records your voice in the browser and tells you how you sound: the primary emotion, stress, pace, confidence and energy, plus a bit of supportive feedback. Here is how the recording, the three Genkit flows and the error handling fit together.
22 September 2026, 5 min read
FaceTube is a browser video chat with no accounts: pick a name, create or join a room, share the ID. I built the call layer two ways, once by hand with WebRTC and a Socket.IO signalling server, once on a video SDK. Here is what each one taught me.
21 September 2026, 4 min read
Phoveus Lab is a few people building free, open source AI products in our own time. Our first product, Admission OPS, takes on university admissions paperwork. This is how the lab is structured and why each product starts where the last one finished.
13 September 2026, 8 min read
Most good first issue lists are stale. How to find beginner-friendly open source issues nobody is working on, check a project's rules first, and get your first pull request merged.
