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    Field notes

    Notes on AI systems, founder tools, and vibe coding.

    Long-form writing from the practice. New posts as they land.

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    August 2, 2026· Lex Hamilton

    I Deleted My Entire AI Team While Watching Summer House. The Boring Ledger Brought Them Back.

    The reckless agent in Part 2 is me. What a cleanup utility deleted, what the off-machine governance vault saved, and why the fleet came back stronger.

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    July 8, 2026· Lex Hamilton

    VibeCheck.exe, An AI Tool That Pressure-Tests Your Idea Before You Build It

    VibeCheck is an AI thinking partner that stress-tests your startup idea instead of cheering it on. Here is why I'm building it, and how it decides if an idea is worth building.

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    charmthirteen

    AI builds, training, and products for healthcare, government, and regulated teams, and the founders building for them.

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