Posts

All the articles I've posted.

• Building K-Saju 1: turning Korean saju into K-culture character cards

  EN
  7 Jul, 2026

  Why I built K-Saju as a light, K-culture-friendly take on Korean saju, and how it became a character-card and chemistry-test side project.

• Turning one VPS into an AI agent home + a dev box I can reach from anywhere

  EN
  25 Jun, 2026

  Isolating the Hermes agent in a container, keeping Claude Code and a web terminal on the host, and exposing both with zero open ports using Cloudflare Tunnel + Zero Trust.

• Login-free comments, built by hand on Cloudflare

  EN
  23 Jun, 2026

  How I added comments and moderation to a static Astro blog with no external service — Cloudflare Pages + D1 + Turnstile, with a Telegram bot doing the moderation.

• K-map-router — open Google Maps directions in Korea's map apps

  EN
  15 Jun, 2026

  A free tool that turns a Google Maps directions link into a Naver Map or KakaoMap route — built for travelers in Korea.

• Hello — building in public at Piyak Labs

  EN
  14 Jun, 2026

  An English corner of Piyak Labs, where I share notes on the side projects I'm building.