Unity announced an official plugin for OpenAI Codex, available now in OpenAI’s universal plugin directory. Developers were already using Codex with Unity; the first-party plugin adds engine expertise written and maintained by Unity engineers so the agent can work with deeper engine context. Get started: https://on.unity.com/OpenAIPlugin.

Key Takeaways

  • ✓Official plugin: first-party Unity integration for OpenAI Codex via the universal plugin directory
  • ✓Engine expertise: Unity engineers maintain engine workflow knowledge for the agent
  • ✓Ecosystem: follows the Unity Claude Code plugin with a Codex-side official entry
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