Hyunjoong Kim's Technology Blog
Practical writing on AI agents, SDLC documentation automation, full-stack architecture, and product validation.
31 results
Complete Guide: Build a Free Oracle Cloud Server and Connect Antigravity + Hermes Agent to Telegram
Create an Oracle Cloud Always Free instance, connect over SSH with Antigravity, install NousResearch Hermes Agent, run hermes doctor, and connect a Telegram bot.
Improving Petty Character Chat: Memory and a Story That Continues
How Petty is refining long-term character memory and making replies, speaker bubbles, and suggested responses feel more natural.
Static First: Deferring Decorative WebGL Until the Page Is Ready in Next.js
A practical design for keeping a full-screen WebGL background without making it part of the initial render: static fallback, capability gates, idle loading, visibility and accessibility handling, and policy tests.
What Is an AI Agent? How It Differs from a Chatbot and Where MCP Servers Fit
A practical guide to AI agents: the difference between chatbots and agents, the plan-tool-observe-verify loop, how to build a first agent, and what MCP servers actually do.
Treat Content Publishing Like a Release: Fail Closed on the Exact PR Head
A bilingual MDX post is more than two text files. This release-oriented workflow makes locale contracts, local assets, CI checks, and the immutable PR head explicit before content reaches production.
Designing Agent Observability: Leave Improvement Loops, Not Just Logs
When coding agents become part of team operations, prompts are not enough. This guide shows how to connect traces, decision logs, evals, and regression checks into an improvement loop for AI-native development.