01 Blog
Notes from the workshop.
How-tos and lessons from building and shipping Laravel sites and small Mac apps.
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How to ask Claude what's eating your Mac's CPU (MCP setup)
Add a local MCP server to Claude Code with one `claude mcp add` line, and the assistant can answer "what's eating my CPU?" from live data: top apps, ports, temperatures. It's read-only, and it can only ask you to quit an app.
Read · 4 min
Why is my Mac's fan so loud? How to find the app causing it
A loud fan means something is keeping the CPU busy. Sort by CPU in Activity Monitor or run `top -o cpu` in Terminal, then group helper processes by app, because the real culprit is often spread across many rows.
4 min read
Port 3000 is already in use: find and stop what holds it
You run npm run dev and get EADDRINUSE: address already in use :::3000. Something is holding the port, and it's usually a dev server you forgot about. Maybe it's from a terminal tab you closed yesterd...
4 min read
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