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Thoughts, learnings, and snippets from the journey back to dev.

1 min read

Claude Code 커스텀 에이전트 만들기 — blog-auto-draft로 배우는 실전 세팅

반복 작업을 자동화하는 Claude Code 커스텀 에이전트 만드는 법. blog-auto-draft 예시로 파일 구조부터 호출까지 단계별로 정리합니다.

#ClaudeCode#Agent#자동화
1 min read

Claude Code에서 MCP로 Gemini 연결하기 — 토큰 걱정 없이 두 AI 함께 쓰기

Claude Code 안에서 Gemini를 MCP 툴로 연결해 토큰 부담 없이 두 AI를 상황에 맞게 나눠 쓰는 방법을 단계별로 정리합니다.

#ClaudeCode#MCP#Gemini#AI
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Claude Code Hooks — Automate Tasks When Claude Finishes

Auto-format on save, response completion alerts, approval request notifications — a step-by-step guide to automating repetitive tasks with Claude Code Hooks.

#ClaudeCode#Hooks#Automation
1 min read

I Built an App — Now How Do I Publish It? Google Play Console from Start to Finish

A step-by-step walkthrough of publishing an app on Google Play Console for the first time — from developer account registration to AAB upload and review submission.

#Android#Google Play#App Publishing#React Native
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[App Launch] How to Gather 12 Testers — Why You Should Use Google Groups

How to efficiently recruit 12 testers for a Google Play test track. Why Google Groups beats manual email registration, and the exact order of steps that actually works.

#AppStore#AppTesting#GooglePlay
1 min read

DeepL API Integration — Adding Translation to a Next.js App

A step-by-step guide to adding translation functionality to a Next.js app using the DeepL API Free plan. From getting an API key to building a server-side route.

#DeepL#Translation API#Next.js#API Integration
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Scheduled Blog Post Publishing with GitHub Actions

How to set up a GitHub Actions workflow that automatically publishes blog posts on a specified date — based on a real implementation experience.

#GitHub Actions#Automation#CI/CD#Vercel#Blog
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How to Register a Google Play Developer Account (2026 Guide)

A complete step-by-step guide to creating a Google Play Console developer account and completing identity verification as of 2026.

#Google Play Console
1 min read

Comparing 3 translation APIs - MyMemory vs DeepL vs Claude, what should I use?

I'm comparing and contrasting my experience with MyMemory, DeepL, and Claude APIs while adding translation functionality to my blog admin.

#Translation API#DeepL#MyMemory#Claude API#Next.js
1 min read

Changing Page Title and Meta Tags per Page in React SPA — react-helmet-async

How to dynamically control title and meta tags per page in a React SPA using react-helmet-async for better SEO.

#React#SEO#react-helmet-async#SPA
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Wireless ADB Debugging — Install APKs Without a Cable

How to set up wireless ADB debugging between a MacBook and an Android device. Install APKs over Wi-Fi with a single command — no USB cable needed.

#android
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[Claude Code] How to Create and Use Skills - Your Own Slash Commands

Learn how to create and use Skills to automate repetitive tasks in Claude Code with hands-on exercises.

#Claude Code#Skill#Automation#Slash commands
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Getting Your Site on Google — Next.js SEO Setup Guide

How to add robots.txt, sitemap.xml, Open Graph, and JSON-LD to a Next.js App Router blog to get it indexed on Google — based on a real implementation.

#SEO#Next.js#Google Search Console#Open Graph
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[App] Developing Cassette Player App_02

Cassette Tape Player App Development Journal 02

#React Native#Cassette App
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[App] Developing Cassette Player App_01

Cassette tape player app development journal 01

#React Native#Cassette App
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What is a good platform for beginners to Replit vs Claude Code?

Reviews comparing Replit and ClaudeCode.

#Replit#ClaudeCode
1 min read

Data inbreeding

When the data produced by AI-dependent humans stops growing, what happens to AI?

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We go to the library to look at book covers.

#Routine#Essay
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[Claude Code] Claude Code Study Guidelines to Learn Efficiently and Quickly

Claude Code The direction to study and the basic study sequence

#Claude Code Study#Study Guideline
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[AI] Stitch review

Reviews using Design AI in Stitch

#Stitch#Design system
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[AI_StartDevelopment04] Maintain Session

If the network changes while working, the session is sometimes broken.: (

#AI coding start#Session
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I was a legacy developer.

#AI Development#Legacy
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[Start AI Development_000] Opinion on AI Development (Guidelines)

Comments and Thoughts on AI Development

#AI coding start
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[AI development start_003] Create multilingual features

How to create multilingual features

#AI coding start#multilingual
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[AI Start_001] Claude Code Start

start creating this blog with ai clod code

#Start Claude Code
1 min read

[AI Start Development_002] Add Image

Add image embedding feature

#Add blog image.ai
1 min read

Re-development started in the 40s

Why did you create this site?

#BackToDev