Writing

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12 posts on engineering, AI, product, and things I'm figuring out.

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The valet stand

I patched PHP. Someone else was collecting AI keys.

Black October's headline was a PHP bug with a patch. Underneath it, someone was emptying hosting platforms of AI keys, and a leaked key has no patch.

Artificial IntelligenceOct 27, 20264 min read

2026

9 posts

EngineeringOct 23, 20264 min read
I installed a dictation app to talk. I kept it to listen.
I installed Wispr Flow to talk to Claude Code. I mostly stopped dictating, but its notetaker now runs on every call I have.
EngineeringOct 17, 20264 min read
Worktrees were never the slow part
When I built Copse for worktree, it was harder to run each of them locally. Then someone introduced me to Kosuke, which gives each one a running copy of the app.
Personal FinanceOct 15, 20263 min read
I gave Claude my order history and asked if I should subscribe
I asked Claude Code if a delivery pass was worth it, using my real order history. It said yes, then found the bigger saving elsewhere.
EngineeringOct 14, 20263 min read
Deno joined Cloudflare, which hints at an answer to vendor lock-in
Deno is joining Cloudflare. Deno users lose a runtime and a host, but celld could make Workers apps self-hostable. And that makes me really excited!
Side ProjectsOct 4, 20263 min read
I made a worktree CLI which can be used by agents as well
I built copse, a CLI for task worktrees across repos, in a day.
Artificial IntelligenceSep 30, 20265 min read
Nvidia shipped a firewall for agents, and that's fine
Nvidia's OpenShell is a firewall for AI agents with branding on top. That's fine, since most people never build one. The pitch around it is shakier.
Artificial IntelligenceSep 28, 20265 min read
The part of the Hugging Face breach I can't put down
The Hugging Face breach had unlocked doors and a messy eval. What I can't shake is 1,200 agents with a group chat and nobody telling a human.
EngineeringSep 23, 20264 min read
What returns taught me about building software
I had spent my career on the buying side of ecommerce. Then I joined a returns company and found out I'd been wrong about which half was interesting.
Side ProjectsJun 2, 20262 min read
I made a Spotify Wrapped for my work year
I spent my first year at iF Returns across 31 repos, 2,025 merge requests, and a lot of late nights. So I built an interactive story to show it properly.

2024

2 posts