Writing
Writing
Notes on building software, AI, and the occasional side project.
- A utility rate sheet is only half your billA utility rate sheet prices only about half your bill. I re-parsed PECO's filed tariff with an LLM, checked it against a real bill, and an open engine reproduces the total to 0.0007% once it has the other half: generation, transmission, and riders.
- Same brain, two pairs of eyes: comparing two AI-agent browser harnesses on the same modelI fixed the model (Claude Opus 4.8) and varied only the agent harness, Claude computer-use against browser-use, on the same web tasks; neither wins everywhere, and the reason is the perception substrate (pixels vs. the DOM), not the model.
- Let’s build an Image Labeler App using AWS Amplify Auth, API (GraphQL), DataStore, Storage, Predictions and React NativeReady? Let's get started!