Developer Builds AI Debate Loop Where Claude and Codex Review Each Other's Code

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A developer integrated OpenAI's Codex CLI into Claude Code to create an adversarial code-review loop, where the two AI tools critique each other's outputs until they reach consensus. The system was first tested on its own implementation, which failed the automated review three times before finally passing. Each failure surfaced a genuine bug, including a broken output-capture pipeline, a flawed convergence logic that could silently pass unresolved issues, and a Windows command-line length overflow. The developer refined shell recipes using tools like PIPESTATUS and tee to fix the identified problems, ensuring accurate exit codes and preserved session data. The project draws on the idea that fresh reviewer sessions reduce anchoring bias, and that evidence-based judgments outperform subjective code inspection.

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