Show Notes
Josh sold his last startup for $4M and is now building 5 products solo with agents. He showed me his exact AI skills stack, including a 4-step /build skill, an /adversarial-code-review skill where he pits Opus against GPT, a /but-for-real skill that makes the AI catch its own mistakes, and a /learnings skill that improves AI’s output over time. Josh has been a solo builder for 25 years and it was fascinating to watch how he works.
Josh and I talked about: (00:00) Why launching fast beats months of planning (01:02) A tour of the 5 AI products Josh built solo (05:22) /build skill: Research, plan, track, implement (10:52) /adversarial-code-review skill: Getting GPT to review Opus' code (16:02) /learnings skill: Make AI update its own CLAUDE.md (16:47) /but-for-real skill: Make AI fix its own mistakes (19:11) Live demo: How to design non AI slop websites (28:55) Advice for builders without technical experience
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