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.
My Claude Code Plugins Cost 17k Tokens Before I Type a Word
I measured what my Claude Code plugins, hooks, MCP servers and skills add to every request. Half the prompt was my own setup, one plugin I would have cut on vibes cost zero tokens, and the real waste was stuff that was simply broken.
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Writing
All posts- 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
- Sep 19, 2026 Claude Code Reads AGENTS.md Now - Here Is Exactly When It Does
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.