Fabian G. Williams aka Fabs

Fabian G. Williams

Principal Product Manager, Microsoft Subscribe to my YouTube.

I Built a Knowledge Base That Writes Itself. Here Is What Andrej Karpathy Got Right.

Andrej Karpathy posted about using LLMs to build personal knowledge bases. I took his workflow, wired it into my Obsidian vault with Claude Code, and within an hour had 21 cross-linked wiki articles compiled from YouTube transcripts. Here is how it works and why it matters.

Fabian Williams

8-Minute Read

Obsidian graph view showing 21 cross-linked wiki articles compiled by Claude Code from raw transcripts

Andrej Karpathy tweeted about using LLMs to build personal knowledge bases — raw sources in, compiled wiki out, all in Obsidian. I implemented his entire workflow in one session using Claude Code skills. Four YouTube transcripts became 21 cross-linked wiki articles. The system now compiles new sources, health-checks its own consistency, and searches itself. It took an afternoon. It will compound forever.

Qui Non Proficit Deficit: Three Months Offline, Two Apps Shipped, and an AI That Runs a Nonprofit

I disappeared from LinkedIn and YouTube for three months. Not burned out — building. Two iOS apps shipped, an autonomous AI assistant running a nonprofit, and a workflow that changed everything. Here's the full story.

Fabian Williams

12-Minute Read

Stale Contacts Cleaner on the App Store

I went heads down for about three months — no LinkedIn, no YouTube, barely any Twitter. In that time I shipped two iOS apps to the App Store, built an autonomous AI assistant that runs a nonprofit’s entire digital presence 24⁄7, and developed a workflow where AI agents scale my output 3-5x. This post is the full story: the career pattern that taught me to recognize seismic shifts, what I actually built, and why I’m back.

Agent-First Commerce: I Built a Website That Sells Like a Sales Team

Over a weekend, I built and tested a working Agent-First e-commerce demo with Claude Code, MCP, and conversational checkout. Here's what I learned.

Fabian Williams

3-Minute Read

Agent-First Commerce Flow

Not selling anything here — just sharing what I built over a weekend using Claude Code, the Model Context Protocol (MCP), and Agent-to-Agent (A2A) orchestration.

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