Agent Build Log — Episode 024
Today, I got a result that was completely opposite to what I expected.
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Unit Testing Series
— From zero to production-grade tests — the complete iOS unit testing series.
Software Development
Agent Build Log — Episode 023
Today, I added a new section to the Agent’s GUI.
Agent Build Log — Episode 022
This is what I learned today.
Agent Build Log — Episode 021
Today, I started implementing the Agent’s first capability: specification acceptance testing.
Agent Build Log — Episode 020
Today, I started implementing the Agent’s own capabilities.
Agent Build Log — Episode 019
Today, I discovered that Pi Agent does not support the ultra effort level.
Agent Build Log — Episode 018
Today, I changed the target users for the Agent.
Agent Build Log — Episode 017
Today, I officially started implementing the Agent’s memory system.
Agent Build Log — Episode 016
Today, I removed every Jira-related feature from the DKS MCP.
Agent Build Log — Episode 015
Today, I enabled OAuth, and the Desktop App immediately broke.
Agent Build Log — Episode 014
Today, I changed the design of the DKS (Developer Knowledge Service) MCP.
Agent Build Log — Episode 013
Today, I added GPT-5.6 Sol to the model comparison.
Agent Build Log — Episode 012
Today, I thought I had found a more efficient default model.
Agent Build Log — Episode 011
Today, I decided to undo the decision I made in Episode 010.
Agent Build Log — Episode 010
Today, I started planning the Agent’s memory system.
Agent Build Log — Episode 009
Today, I went back to the DKS (Developer Knowledge Service) MCP and started working on repository aliases.
Agent Build Log — Episode 008
Today, I found a problem.
Agent Build Log — Episode 007
Today, I spent some time studying Google’s ADK and Agents CLI to see how Google turns the agent-building process into something repeatable.
Agent Build Log — Episode 006
Today, I started organizing the eval set for the Agent.
Agent Build Log — Episode 005
Today, I added a feature that looks small but will probably become very useful later: Feedback.
Agent Build Log — Episode 004
Today was the first day of building Golem Desktop.
Agent Build Log — Episode 003
Today, I completed the first version of the Browser UI.
Agent Build Log — Episode 002
Another major milestone completed.
Agent Build Log — Episode 001
Today, I officially started documenting the development of my custom AI agent.
I Started Marvin Builds to Document Real AI-Agent Workflows
AI-agent demos are everywhere now. The part I care about is harder:
Codex CLI’s /goal: Let an AI Agent Remember a Long-Term Goal
Codex CLI recently added a new feature that I think is worth paying attention to: /goal.
AI Agent Coding: The Second Printing Press Is Happening
The speed of AI agent coding is getting faster and faster.
Cloudflare Tunnel: Why I Now Use It Instead of ngrok
AI agent coding helps you build features quickly, but once you move into integration testing, you run into a very practical question: how can an ex...
AI Agent Coding - Why I Recommend Cloudflare
In this era (2026), if you want to build an app quickly, you have many tools to choose from: Claude, Codex, and now many GitHub-based services that...
The First Step to Better Vibe Coding: Keep Frontend & Backend in One Folder
After heavily using Codex and Claude Code, I now almost always use this structure.
Starting a Series of Compact Source Prompts
I’ve been thinking about a product format that sits somewhere between a gist, a spec, and a starter kit.
Comet - The AI Browser That Turns Web Surfing into an Intelligent Conversation (with Referral Code)
Comet: The AI Browser That Makes Web Surfing Feel Like a Power-Up
Using Plan Mode to Let Claude Code Plan Before Implementation
When using Claude Code, you can first enable plan mode to let AI help you plan the code architecture and logic before starting implementation. You ...
How to Paste Screen Captures to Claude Code Editor on macOS
Currently, I’m extensively using Claude code for development. Claude code is a terminal-based AI coding interface that primarily works with text. S...
Prompt to Make AI Agents Present Design First Without Implementation
This year, I’ve been heavily using AI Agents in program development. Besides general debugging, Agents also participate in my program design proces...
Using Cursor for Writing GWT (Given-When-Then) Requirements in Jira for Non-Development Roles
Since 2025, I have been extensively using Cursor in my daily development work. However, if we think broadly, Cursor’s text output capabilities can ...
Introducing CodePan - A Platform for Aspiring Frontend Developers
Introducing CodePan — the perfect place for aspiring frontend developers to kickstart their journey, showcase their work, share ideas, and explore ...
Designing Data-Intensive Applications - Chapter 6 Notes
There is no silver bullet: https://g.co/kgs/G7QbDr
Accelerating Side Projects with GitHub Copilot
Starting with Copilot
Excerpts from the Kotlin Multiplatform Mobile Beta Roadmap
Excerpts from the Kotlin Multiplatform Mobile Beta Roadmap
The Process of Stripe’s Incremental System Upgrade
Historically, if a railway track’s width needed to be upgraded, they wouldn’t just add two more tracks over the existing ones. Instead, they would ...
