Traces a bug or failure to its root cause and fixes it there instead of patching the symptom. Use when debugging a crash, failing test, regression, or "fails after restart" bug, or when a fix would add a guard, retry, or workaround to silence an error.
Install
npx skills add bostonaholic/skills --skill fixing-root-causesnpx skills add bostonaholic/skills --skill fixing-root-causes -a claude-code -gnpx skills add bostonaholic/skills --skill fixing-root-causes -a codex -ggemini skills install https://github.com/bostonaholic/skills.git --path skills/engineering/fixing-root-causesgh skill install bostonaholic/skills fixing-root-causesgit clone --depth 1 https://github.com/bostonaholic/skills /tmp/bostonaholic__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/bostonaholic__skills/skills/engineering/fixing-root-causes ~/.claude/skills/fixing-root-causes # Claude Code
cp -R /tmp/bostonaholic__skills/skills/engineering/fixing-root-causes ~/.agents/skills/fixing-root-causes # Codex, Cursor, Gemini CLI, Copilot, OpenCode