Blog

Recommendation System Optimization: From 78K Tokens to Zero

How we eliminated 100% of token usage and reduced execution time by 99% in our content recommendation system through metadata-based algorithmic optimization.

Self-Healing AI Systems: Building Agents That Automatically Fix Bugs Without Human Intervention

Complete guide to Self-Healing Systems deployed by GitHub, Google, and Netflix. Full implementation from error detection to automatic patching with LangGraph

AI Agent Collaboration Patterns: Building Full-Stack Apps with 5 Specialized Agents

Orchestrate Architecture, Coding, Testing, Security, and DevOps agents to build production-grade applications

Specification-Driven Development in the AI Era: Writing Code with Markdown

Complete guide to systematic AI development with GitHub Spec Kit. Move beyond "Vibe Coding" to build scalable, maintainable production code that truly works.

First Week Analysis Report: A Journey Begun with 31 Passionate Early Adopters

GA4 data analysis, content performance, and improvement impact one week after blog launch - transparently sharing our blog growth journey (2025-10-07~10-14)

Implementing Scheduled Publishing on Static Sites: Automating Astro + GitHub Actions

A practical guide to implementing WordPress-like scheduled post publishing on static blogs using Astro and GitHub Pages. Complete automation with pubDate filtering and scheduled workflows

Building an Intelligent Content Recommendation System with Claude LLM

A comprehensive guide to building an AI-powered blog recommendation system that goes beyond simple tag matching with semantic understanding

Automate Web Performance Optimization with Chrome DevTools MCP

Complete guide to Chrome DevTools MCP: AI assistants measure and optimize performance with real browser data. From Core Web Vitals automation to practical workflows.

Building AI Agent Systems: A Practical Guide to Automation Pipelines with Notion API MCP and Claude Code

Complete guide to building production-ready AI agent automation systems using Model Context Protocol (MCP) and Claude Code with Notion integration. Expert-verified tutorial covering capabilities, limitations, benefits, and best practices from SEO and content management perspectives.

Automating Semi-Annual Presentation Creation with AI: From 60 Hours to 10

Learn how we reduced semi-annual reporting preparation from over 60 hours to just 10 hours using AI agent systems and automation tools in this practical implementation guide.

Automating Large-Scale Website Page Generation with Claude Code: Parts Library and SubAgent Parallel Processing

A practical case study of auto-generating 31 HTML pages using a parts library-based approach. Complete guide covering CSV metadata management, SubAgent parallel processing, and two-phase quality validation.

Claude Code Best Practices: Maximizing Developer Productivity with AI

A comprehensive guide to optimizing Claude Code setup based on Anthropic official best practices, with real-world implementation insights.

www.jangwook.net Blog Launch Analysis Report: The Beginning of a Data-Driven Technical Blog

Blog launch GA4 data analysis, practical MCP query examples, and 3-month growth strategy - transparently sharing the journey of starting a technical blog

Automating Blog Analytics with Google Analytics MCP and AI Agents

Learn how to automate blog analytics and make data-driven decisions using MCP and AI agents

Blog Automation with LLM and Claude Code - The Future of Content Creation

Complete guide to automating your blog with Claude Code and 11 specialized AI agents. From prompt engineering to MCP integration, multi-language support, and image generation - a practical tutorial anyone can follow.