Insights / Notes
Practical perspectives on AI-driven development, new ventures, development organizations, and cloud infrastructure — from both technology and business angles.
Harness 7 Factions Report
Spring 2026 saw the sudden rise of 'harness' in AI agent circles. Before we knew it, distinct tribes had formed, revealing 7 factions. Here's an observation report on their respective claims and how they impact business and development decisions.
Read more →Understanding Harness Theory Through Minecraft
LLM performance isn't determined by the model alone, but by the harness that supports observation, memory, retry, and skill reuse. Using Minecraft as an example, we explain the essence of AI agent design in an accessible way.
Read more →AI-Driven Development: What Really Got Faster Was 'Speed to Deployment'
AI-driven development using Claude and ChatGPT has dramatically accelerated system development itself. However, what truly changed was the cycle from PoC to deployment, testing, operations, and business decision-making. Examining this from a business leader's perspective using a new video LMS system as an example.
Read more →Reconsidering Framework Selection in the LLM Era
Non-engineer executives' Vibe Coding is powerful. However, I've also faced the problem where evolution speed drops the moment we wrap it for production. Organizing thoughts on framework selection in the LLM era based on real-world experience.
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