Developer builds free CLI tool to flag recurring incident root causes in postmortems

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A developer has released rootecho, a zero-dependency command-line tool designed to detect when a new incident shares the same root cause as a past one. The tool also checks whether action items from previous related incidents were ever completed, addressing a common gap in postmortem follow-through. rootecho stores incident records as JSON files in a project's local repository, making the history trackable via version control. It uses Jaccard similarity scoring on tags and free-text fields to match root causes without requiring any machine learning or network calls. Available for both Node.js and Python, the tool is aimed at engineering teams that rely on markdown postmortems but lack access to paid incident-management platforms.

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