principle-attack-the-premise
Apply when repeated fixes sharing an assumption fail. State the assumption and choose an observation that can challenge it before trying another fix that depends on it.
Install
npx skills add https://github.com/michael-denyer/pstack-claude/tree/main/plugins/pstack/skills/principle-attack-the-premise
claude plugin marketplace add https://llmmart.ai/marketplace.json && claude plugin install michael-denyer-pstack-claude@llmmart
git clone https://github.com/michael-denyer/pstack-claude.git
The skills CLI installs just this skill, for any of its supported agents. Claude Code installs the whole michael-denyer/pstack-claude collection as a plugin from our marketplace. Git is the plain clone.
Skill manifest
Attack the premise
When two or more fixes sharing an assumption fail the same gate, write down what they assumed. Before another fix depends on it, choose an observation or experiment that can challenge it.
Match the experiment to the hypothesis. Two timeout increases may assume requests reach the intended destination. Check the actual destination before increasing the timeout again.
When the hypothesis concerns uneven allocation, ownership, or assignment, count resources or work per actor. Measure the distribution and trace the assignment per Fix Root Causes. Recommend redistribution, rotation, or reassignment only when evidence connects that assignment to the failure. An even distribution weakens the imbalance hypothesis; it does not rule out a shared defect. Every worker can leak at the same rate.
Keep a rerunnable experiment when useful, per Build the Lever. Do not turn this into a mandatory census for unrelated bugs.
This principle questions an assumption about the existing system. Redesign from First Principles rebuilds a design around a new requirement.
Files (pstack-claude)
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SKILL.md 1.4 KB
--- name: principle-attack-the-premise description: "Apply when repeated fixes sharing an assumption fail. State the assumption and choose an observation that can challenge it before trying another fix that depends on it." user-invocable: false --- # Attack the premise When two or more fixes sharing an assumption fail the same gate, write down what they assumed. Before another fix depends on it, choose an observation or experiment that can challenge it. Match the experiment to the hypothesis. Two timeout increases may assume requests reach the intended destination. Check the actual destination before increasing the timeout again. When the hypothesis concerns uneven allocation, ownership, or assignment, count resources or work per actor. Measure the distribution and trace the assignment per [Fix Root Causes](../principle-fix-root-causes/SKILL.md). Recommend redistribution, rotation, or reassignment only when evidence connects that assignment to the failure. An even distribution weakens the imbalance hypothesis; it does not rule out a shared defect. Every worker can leak at the same rate. Keep a rerunnable experiment when useful, per [Build the Lever](../principle-build-the-lever/SKILL.md). Do not turn this into a mandatory census for unrelated bugs. This principle questions an assumption about the existing system. [Redesign from First Principles](../principle-redesign-from-first-principles/SKILL.md) rebuilds a design around a new requirement.
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