Junyoung Ryu (Jun0)

Currently building

• sonmat — Claude Code plugin that builds verification habits into AI–human collaboration.
• bobusang — Multi-device memory system for Claude Code via git-based auto-sync.
• clance — Lightweight Tauri-based system monitor.

Recent posts

• Building sonmat ·  GPT-4 said strawberry has two R's. The word has three. May 7, 2026
• Building sonmat ·  My devil's advocate worked. That was the bug. May 5, 2026
• Building sonmat ·  I built sonmat to fix this. Then sonmat had the same bug. May 3, 2026
• Building sonmat ·  Your AI is confident. Your AI is wrong. You shipped it anyway. May 1, 2026
• I Spent a Week Installing WSL2. The Fix Was Two Lines. Mar 31, 2026

See all posts →

Also writing on

• dev.to/jun0-ds — English. "Building sonmat" series.
• velog.io/@jun0-ds — 한글. 「손맛(sonmat) 만들기」 시리즈.