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Building Products, Systems, and a Life with AI

PM turned solo builder. I use AI to ship products, design systems, and document the entire process — tools, workflows, real numbers.

Open to collaboration, consulting, and new opportunities — connect on LinkedIn or say hello.

WenHao Yu

15 years in tech, former PM. Using AI to build compounding systems that make work and life a little better every day. This is the full record.

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How I Built an AI Second Brain with Claude Code + Obsidian
FeaturedProductivity

How I Built an AI Second Brain with Claude Code + Obsidian

New Year goals fail every year, emails pile up, meetings blur together — the problem isn't willpower, it's not being able to see yourself. Here's how I built an AI second brain using Claude Code and Obsidian: goal tracking, automated email, AI meeting notes, daily briefs, and a knowledge base that actually remembers.

2:30 A.M., Nobody at the Keyboard: Loop Engineering From One Desk
FeaturedAI in Practice

2:30 A.M., Nobody at the Keyboard: Loop Engineering From One Desk

At 2:30 a.m. a Mac mini wakes on its own and works: maintaining my system, producing drafts, checking itself, all with no instruction from me. A ground-level look at loop engineering: how one person running a business on Claude Code steps back, what the AI can take over, and where the line still holds.

Claude Skills Guide: Build AI Workflow Automation From Scratch
FeaturedAI in Practice

Claude Skills Guide: Build AI Workflow Automation From Scratch

A practical Claude Skills guide with real examples. Learn how skills work, the three-layer loading architecture, trigger mechanics, design patterns, and Anthropic's official writing philosophy. Includes hands-on experience and getting started tips.

How to Use Claude Code: From Setup to Your First Task
FeaturedAI in Practice

How to Use Claude Code: From Setup to Your First Task

Learn how to use Claude Code in 5 minutes. A beginner-friendly guide to setup, installation, and completing your first task. Let AI do the work—not just talk about it.

Obsidian PKM Guide: How I Use AI to Build a LYT Note-Taking System
FeaturedProductivity

Obsidian PKM Guide: How I Use AI to Build a LYT Note-Taking System

LYT (Linking Your Thinking) is the most popular PKM framework for Obsidian. After years with PARA and Zettelkasten, here's why I switched to LYT — and why it's the best note-taking method for the AI era.

OpenClaw Setup Guide: 26 Tools + 53 Skills Explained
FeaturedAI in Practice

OpenClaw Setup Guide: 26 Tools + 53 Skills Explained

Finished installing OpenClaw but unsure what to enable? This research-backed guide breaks down all 26 Tools and 53 official Skills — what they do, the risks, and how to configure them. Includes my full config you can copy.