Code & Chain · Signal Desk

OpenAI Official Codex Plugin Now Available for Claude Code, Replacing Legacy MCP

2026-08-29AIToolingLast updated: 29 Aug 2026, 7:07 am
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Summary

OpenAI has launched an official Codex plugin (codex-plugin-cc) that lets Claude Code directly use Codex for code review and task delegation, replacing the old MCP server. The plugin adds 8 slash commands, including /codex:review for reviewing uncommitted changes, /codex:rescue for delegating debugg…

Key points

  • Allows developers to integrate Claude Code and Codex directly in the terminal, boosting multi-model collaboration efficiency.
  • The integration of tools between OpenAI and Anthropic signals a move toward native interoperability in AI development tools, reducing middle layers.
  • Reduces setup complexity, enabling developers to flexibly leverage different models for coding and review.
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