Trends
Sharing thoughts on latest development trends and technologies.
The Ever-Changing AI Coding Agent Ecosystem: oh-my-opencode, oh-my-claudecode, OpenClaw, Agent Teams
Hello. I’m Jeongil Jeong, a 3rd-year backend developer working at a proptech platform. The AI coding tool ecosystem has been changing incredibly fast lately. A tool that was trending a few days ago gets blocked the next week, then ships as an official feature the week after… It’s been a rollercoaste...
February 9, 2026
3AM Error Alerts? Let AI Fix Them: Automating Error Response with OpenClaw
Hi, I’m Jeongil Jeong, a 3-year backend developer working at a proptech platform. TL;DR I automated 3AM error alert responses with OpenClaw. Using Loki/Tempo polling + Telegram Forward hybrid approach, AI handles everything from error analysis to PR creation, while humans only review code. AI ag...
February 6, 2026
Understanding MCP (Model Context Protocol): A Standard Protocol Connecting AI to External Systems
Lately, there’s been a lot of talk about MCP (Model Context Protocol) in the AI field. In a previous post, I shared my experience building and using my own MCP server. However, while using MCP, I had questions like “What exactly is MCP’s structure?” and “How does the LLM communicate with the MCP ser...
January 25, 2026
Making LLM My Second Brain: Using Personal Blog as RAG with MCP Server
Hello! I’m Jeongil Jeong, a 3-year backend developer working at a proptech platform. Recently, AI, especially LLMs (Large Language Models), has been gaining significant attention among developers. While “recently” might be a bit of an understatement given how much time has passed, AI technology is i...
December 31, 2025
Have I Embraced the Future? - How Developers Collaborate with AI Coding Tools
Hello. I’m Jeongil Jeong, a 3rd-year backend developer working at a proptech platform. These days, the weight of AI coding tools among developers is gradually increasing. GitHub Copilot, ChatGPT, Claude Code… Many developers are already using them, and there’s even talk that “you’ll fall behind if y...
October 25, 2025