Rashomon (skill A/B testing)

Blind A/B comparison tool for measuring prompt and skill improvements

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Rashomon is a free, open-source tool for measuring whether a change to an AI agent's prompt or skill actually improves its behavior, using blind A/B comparison rather than gut feel. It's aimed at developers iterating on Claude Code or Codex prompts and skills who want evidence before shipping a change.

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Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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