👋🏻 Hi, my name is J⋃⋂D⋀. I make apps in Singapore 🇸🇬
- How I Got Claude Code to Run Forever (Well, Almost)
- Apple Xcode MCP vs XcodeBuild MCP: Which One Actually Helps an AI Agent Ship
- I Caught My AI Agent Fabricating Data to Look Busy
- I Deprecated Dotfiles and Oh My Zsh, and Moved to Chezmoi
- Control Your Mac from Your iPhone (Safely): Tailscale + SSH + tmux
- macOS Built in Firewall: Quick Hardening for my MacBook
- Setup Codex CLI notifications on macOS (iTerm2 + terminal-notifier)
- The Codex Trap: Upgrading to Pro Won’t Unlock a New Codex Model
- Personal blog @ just2me.com
- App portfolio @ just2us.com






