MECE Issue Tree

Use $ARGUMENTS as initial context.

When to use this skill

• Diagnosing root causes in performance decline or execution failures.
• Structuring strategic questions into mutually exclusive branches.
• Creating a prioritized analysis plan before data deep-dives.
• Aligning teams on problem scope and ownership.

When not to use this skill

• Do not use it as a final recommendation, market forecast, or execution plan.
• Do not use it when the problem is already structured and only a falsifiable test plan is missing.

Required inputs

• Problem statement, metric, and baseline.
• Scope boundaries (segment, geography, time horizon).
• Available data and decision deadline.
• Metric definition, numerator/denominator, units, and known exclusions.