Samuel Lawrentz · engineer & team lead · 9+ years
I build interfaces,
systems, and teams.
Nine years of shipping pixel-perfect UIs and the systems behind them. I write monthly about the craft - code, tools, and leading engineers.
Would You Share the Prompt? A Review Rule for AI-Written PRs
My one rule for AI-written pull requests, messages and docs: only send it if you'd be happy for the reviewer to read the prompt too. It catches lazy output faster than any checklist.
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Writing
All posts- Sep 24, 2026 My Claude Code Plugins Cost 17k Tokens Before I Type a Word
- Sep 23, 2026 Opus 5.5, Day One: Four Models, Two Boring Tasks, Sixteen Runs
- Sep 22, 2026 Google's AX Is kubectl for Agents. Its Four Manifests Are a Checklist for the Rest of Us.
- Sep 21, 2026 Your Claude Code Bill Is 94% Cache Hits. The Rest Is Coffee Breaks.
- Sep 20, 2026 An AI If-Statement You Can Run on a 4-Core VM - Trying Kev
Projects
GitHubkron
Cron, but it actually tells you what happened. Output capture, run history, failure tracking.
clipssh
Send clipboard screenshots to remote SSH hosts.
jira-commit-helper
VSCode extension that puts JIRA ids into commits.
quotes-generator
Browser image quote generator with Unsplash backgrounds.
react-highlight-textbox
Highlight patterns inside a text input in real time.
rc-json-editor
Lightweight, dependency-free JSON editor for React.
pasttenser
A tiny API that returns the past tense of any English verb.