Signal
Practical writing on AI, automation, and building things right.
What Is an AI Harness?
Over about a month, I watched several people worth listening to each explain what an AI harness is, and they did not agree. As far as I can tell, none of them were wrong. Here is the core they all share, the edge where they genuinely split, and the reframe that changes how you build: a harness is a restraint, not an amplifier.
Read it →The Modern Web Stack
TypeScript, React, Next.js, Tailwind, Vercel - the words pile up fast and sound like you need a computer science degree to keep up. Here is the part nobody mentions: underneath all of it, a modern web app is still just JavaScript and CSS running in a browser. Once you see that, the whole stack clicks.
Read it →What Is RAG?
RAG is the term everyone throws around for AI that answers from your own data. Here is what is actually happening underneath it - embeddings, vector search, and the database you probably already have - explained plainly.
Read it →The Agentic Spectrum
What people call "an AI agent" is really a spectrum - from a chat window to a multi-agent orchestrator. Here is what each level actually means, and why the higher you climb, the more permissions matter.
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