Individual skill

premortem

Find how a rollout plan could fail before committing to it. Use when: asked what could go wrong or to poke holes in a plan.

plugin/skills/premortem/SKILL.md

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Last checked: Nov 5, 2026

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Repository stars (not skill ratings): 453
Repository last updated: Nov 8, 2026
License: Apache-2.0

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SKILL.mdcore · 8,881 bytes
SKILL.mdcore · 8,881 bytes
SKILL.mdcore · 8,881 bytes
SKILL.mdcore · 8,881 bytes
references/derivation-diff.mddoc · 1,540 bytes
schemas/premortem-plan-review.v1.schema.jsonasset · 1,283 bytes
scripts/validate-output.shruns · 2,419 bytes
scripts/validate.shruns · 1,584 bytes

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# Premortem

Premortem is an optional plan-challenge strategy. It asks one fresh context to
identify concrete ways the resolved bead or caller intent could fail before implementation.
It is not part of the required RPI sequence and does not authorize readiness.
[Plan's shared challenge method](../plan/references/challenge.md) owns optional
exchange, dispatch and stopping rules; when no fresh context can be started,
step 2's labelled self-judged fallback replaces its no-stand-in rule here.
Premortem owns the three checks below. Neighbours: general advice is
[Review](../review/SKILL.md), acceptance of a finished change is
[Validate](../validate/SKILL.md), and several independent views are
[Council](../council/SKILL.md).

Run the checks in this order and report findings in the same order: a finding