Enforce root-cause investigation before fixes using the Iron Law and Investigation Move.
npx skills add https://github.com/tesserine/groundwork --skill debug-tesserine
Please help me install this Agent Skill. Skill: debug Source: https://github.com/tesserine/groundwork/tree/main/skills/debug Command: npx skills add https://github.com/tesserine/groundwork --skill debug-tesserine
Root-cause investigation discipline. Use when a test fails, behavior is unexpected, or any failure occurs — before proposing fixes. Enforces structured investigation before fix attempts. Fires at any stage when failures appear. If you are about to fix something without understanding why it broke, this skill applies.
Begin root-cause investigation on a failure by following the Iron Law and Investigation Move steps.
High-intent search queries and answers about installing and using this skill.
To find the root cause of a failing test, enforce structured investigation before fix attempts using the Iron Law and the five-step Investigation Move: Stop, Read, Reproduce, Trace, and Hypothesize. This prevents symptom fixes and ensures reliable defect resolution.
Evidence-based debugging is a discipline that requires understanding why a failure occurred before proposing fixes. Apply it whenever a test fails, behavior is unexpected, or any defect appears during planning, execution, or verification phases.
Investigate unexpected behavior by executing the Investigation Move: stop immediate fixes, read the failure output, reproduce the defect consistently, trace execution paths, and formulate testable hypotheses to validate the suspected root cause.
When initial fix attempts for a defect keep failing, apply the 3-Fix Escalation Rule to count attempts and escalate to a reckoning phase, preventing repeated symptom patches and forcing a deeper root-cause analysis.
Yes, you can use this debugging process across planning, execution, verification, and landing phases. It coordinates investigation activity with implementation and verification protocols to maintain quality assurance throughout.
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