My agent shipped 12 clean PRs in a weekend. The product still isn't live three weeks later. The...

Prompt and context engineering both left me as the bottleneck. The fix was a harness: the second brain I ran before the term got popular, and how to start one.

My agent shipped 12 clean PRs in a weekend. The product still isn't live three weeks later. The...

There's a formula I keep coming back to when people ask why their slick demo agent falls apart in...

Claude Code, Copilot, ChatGPT — none of these are 'the model.' They're harnesses wrapping a model. Once you internalize Agent = Model × Harness, you can see the next decade:…