Passport Chips, ExplainedThe first time I held my phone against my passport and watched an app pull my own photo off the chip, I had two reactions. First: that's really cool. Second: wait, how did it do that? So I went digginJul 9, 2026·8 min read
One Agent Is Not Always EnoughPart two of a series on agent harnesses. If you have not read part one, it introduces the idea that an agent is a model plus the harness around it. This piece builds on that, so a quick skim first wilJun 5, 2026·7 min read
Agent = Model + HarnessIf you have ever called an LLM API, you already know the basic shape of it. You send some text, you get some text back, and the connection closes. That is a model. It is good at producing language, buJun 5, 2026·8 min read
The Day 15 Files Became OneMeet Sam. Four months ago, Sam joined a fast-growing document management startup as a backend developer. The company's product processes documents in various formats, JSON, XML, YAML, CSV, and more. Sam's job? Build a robust document parsing system. ...Jan 10, 2026·25 min read
Bob The BuilderMeet Bob. Two months ago, they joined a fast-growing data analytics startup as a backend developer. The company's main product is a data warehouse API that lets customers query massive datasets. Bob's job? Build a client library that makes it easy to...Jan 1, 2026·24 min read
The Configuration ChaosMeet Jordan. Six months ago, Jordan joined a promising startup called "FastAPI Co." as a DevOps engineer. The company's main product is a high-traffic API service that handles configuration management for thousands of micro-services. At peak times, t...Dec 20, 2025·22 min read
The Coffee Shop CrisisMeet Alex. Three months ago, Alex fulfilled a lifelong dream: opening "Rusty Bean", a cozy coffee shop in downtown Portland. Business is booming! Students camp out with their laptops, seniors meet for their morning ritual, and the loyalty program is ...Dec 19, 2025·32 min read
