12:24
What Is a Harness? (And Why Should You Care?)
The word everyone in AI throws around and nobody defines. One metaphor and a live build of a real agent, layer by layer, so you can see exactly what each one does.
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The Engineering That Survives the AI Era
The same arguments from the newsletter, worked through out loud: what a harness actually is, what a "job description" for an agent looks like, and the ten skills that don't get automated away.
12:24
12:25
Why Every Developer Feels Like a Fraud (Especially Now)
Impostor syndrome isn't a skill problem, it's a scoring problem: you keep every piece of criticism and give away every win. AI didn't cause it. It just made it louder.
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13:19
Most Developers Learn These 10 Skills Too Late
25 years building software, and training developers from day one to senior, distilled into the 10 skills AI can't replace: the ones that decide who thrives as the tools get smarter.
Watch on YouTubeCompanion Series: What Actually Makes an AI Agent Work
Six short breakdowns, one per layer of the harness explained in the video above — the agent definition, the skill, MCP, the context window, governance, and observability.
Part 1 of 6
Your AI agent needs a job description
Part 2 of 6
How to give an AI agent a skill
Part 3 of 6
Why AI agents need permissioned tools (MCP)
Part 4 of 6
Your AI's desk is tiny. That's the context window.
Part 5 of 6
How governance stops an AI from breaking prod
Part 6 of 6
When your AI breaks, follow the trail