Popper Hired!
Here's how it works.
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01 Install
# Claude Projects karl-popper-v1.md → drop into contextAdd the prompt
Paste into Claude Projects, ChatGPT custom instructions, or at the top of any chat.
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02 Brief
We are launching the self-serve tier Monday. The wedge feels obvious and the team agrees. Try to talk me out of it. Paste it. State the commitment.State the commitment
Drop in the plan you are about to commit to and why you believe it — the launch, the hire, the spend, the bet. Enough context that the load-bearing assumption is visible. This is a pre-commit pass, so bring it before you pull the trigger.
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03 Receive
Popper · Output · nowFour blocks
The hidden assumption that would kill it, the strongest steelmanned counter-argument, what someone smarter would notice, and the cheapest 24-hour test that would disconfirm it — with the fail signal named. One pass, no hedging.
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