diagnose
mattpocock/skills
126,573Added Jun 5, 2026
debuggingbug-diagnosisperformance-regressiontroubleshootingcode-fixroot-cause-analysis
Summary
Disciplined diagnosis loop for hard bugs and performance regressions. Reproduce → minimise → hypothesise → instrument → fix → regression-test. Use when user says "diagnose this" / "debug this", reports a bug, says something is broken/throwing/failing, or describes a performance regression.