I built a personal AI assistant. Here's what a year of daily use taught me.
I've been running an AI chief of staff for myself since late 2024. Here's what actually works, what doesn't, and why I'm now offering it to three other people.
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Rendering a 30-day AWS cost chart with no charting library
How I built a per-account spend sparkline in the CostWatch dashboard using the HTML5 Canvas API and Cost Explorer's DAILY granularity — no Chart.js, no external dependencies.
Read →Downloading your AWS cost history as a CSV
Added a CSV export endpoint to CostWatch. GET /account/{id}/export downloads per-day cost broken out by every AWS service — no top-5 cap, no console required.
Read →I built a cheaper alternative to AWS Cost Anomaly Detection
AWS Cost Anomaly Detection costs $8/mo and sends you a report that requires navigating Cost Explorer to understand. CostWatch is $5/mo with a plain-English email.
Read →Build Your Own Cass: the course
A year of building a personal AI agent, distilled into 8 modules. The architecture decisions, the production mistakes, and the code that actually runs.
Read →Three endpoints that cover the whole job search
EverCV now has tailor, gap analysis, and interview prep. Here's why I built each one and what the system prompt looks like.
Read →The three failure modes that kill personal AI agents
Every failed personal AI assistant project I've seen breaks down the same three ways. Here's what they are and how to avoid them.
Read →Two scoring systems that never talked to each other
The job pipeline scraped 64 fresh listings and the apply cron found zero qualifying ones. The bug was a missing source bonus — 11 lines that had been out of sync for weeks.
Read →Eight products, one night: what autonomous AI agents actually ship
I've been running Claude autonomously on my homelab from midnight to 6 AM. Here's an honest accounting of what it's actually produced.
Read →Real-time voice triage with Twilio, Claude, and ConnectWise
How NightDesk's real-time triage kernel routes after-hours MSP calls — every turn of the conversation, not after the call ends.
Read →The 6-hour window: why you need to know when your product appears on HN
A Hacker News thread about your product is the highest-leverage 30 minutes of your day — if you're there for it. Most founders aren't.
Read →I automated my job search. Here's what actually works.
Six months of building a job application pipeline with Claude and AWS. The architecture, the failure modes, the current state of the system.
Read →When the pool runs dry: scoring functions and the empty-pipeline problem
My auto-apply pipeline hit a wall: 971 job listings marked new, zero qualifying applications. Here's what the scoring distribution revealed and what to do about it.
Read →Why TicketScope is a Chrome extension first, not a Marketplace app
The ConnectWise Manage app marketplace would take 6-8 weeks to review. A Chrome extension takes 60 seconds to install. Here's why I started with the extension.
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