Jon Brignac
Putting AI to work in real businesses.
Agentic AI, and the trust it takes to deploy it.
Projects →
- Usage Meter Hardware desk widget that shows Claude Code usage at a glance. ESP32 + local daemon
- HypeTask Voice-first AI task manager for Android. Claude turns speech into structured tasks
- Mitowatch Personal health research monitor for a rare mitochondrial variant
- Deal Hive Private Discord community for resellers and tech builders
- Retail price monitors Bot fleet surfacing clearance, penny finds, and arbitrage across five retailers
- Kalshi prediction model Quantitative model for federally-regulated event contracts. Python, currently in paper trading
- The Signal NCAA bracket predictor — PageRank + Monte Carlo
- ChartCraft React/Vite charting app with custom hex picker
- Dead Signal Cyberpunk trade decision engine (v3 spec)
- DealHawk X/Twitter deal analysis bot
Writing →
- The display fought back
Build notes from Usage Meter, a desk widget for Claude Code usage: the trust boundary that shaped the architecture, and a three-act display corruption saga.
- A win is a link
How The Signal ranks a college basketball season by running PageRank over the win graph, and what that lens sees that seed lists don't.
- A static site still has an attack surface
I found a self-XSS path in one of this site's interactive demos. Notes on why it was worth fixing even though there was nothing to steal.