testy.coolNoteJan 23, 2026
UCP - How to Actually Make Money With It
Universal Commerce Protocol lets AI agents buy things. Here's how developers can monetize it and what store owners need to know.
Blog
Latest Posts
Most of the site lives in the blog archive.
TutorialJan 15, 2026
Setting Up SSH for Claude Code
How to configure SSH so Claude Code can run commands on remote servers
TroubleshootingJan 7, 2026
Fix Cloudflare Pages Redirect to Custom Domain
Your *.pages.dev URL is ranking in Google instead of your custom domain. Here's how to fix it with a proper 301 redirect.
TroubleshootingJan 6, 2026
How to Remove Windows NUL File
That NUL file that appeared while vibe coding? Here's how to delete it.
Start Here
Browse
If you want the overall picture, start with the archive.
Tools
A Few Tools
Small utilities and extensions.
Tool
LLM Price Calculator
Calculator for checking API costs across Claude, GPT, and Gemini, including prompt caching.
Tutorial
CSS Clamp Calculator
Clamp() calculator plus the tutorial explaining the math behind it.
Extension
ChatGPT Conversation Exporter
Browser extension for exporting one ChatGPT conversation to Markdown or HTML.