Pre-mortem prompting with Claude: stress-test decisions before reality does it for you

JafarNajafov · x · 2026-10-16

Step 6 of JafarNajafov's 'second brain' series: build a Personal Mental Model Stack by telling Claude which frameworks to apply (first principles, inversion, 10/10/10, regret minimization), so every problem runs through consistent lenses rather than gut feel.

The quoted prior step is the Pre-Mortem Check: before any major decision, ask Claude to assume it failed spectacularly six months out and walk through the five most likely reasons — 3 minutes of stress-testing beats 3 hours of optimistic planning.

Related event: JafarNajafov Shares His Full Method for Building a "Second Brain" with Claude(6 posts)→

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