How I Made Claude Code and GPT-5.4 Review Each Other's Code
python
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The Problem: Same Model Writes and Reviews When Claude Code writes code and Claude reviews it, you get the AI equivalent of grading your own homework. Blind spots survive. I wanted GPT-5.4 to review Claude's code from a genuinely different perspective. So I built helix-codex — an MCP server that bridges Claude Code (Opus 4.6) to Codex CLI (GPT-5.4). What Makes It Different There are 6+ Codex MCP bridges on GitHub. They all do the same thing: call codex exec, return raw te