Yes. You can build third party applications on top of codex app server. All open source. https://developers.openai.com/codex/app-server/
Yes. You can build third party applications on top of codex app server. All open source. https://developers.openai.com/codex/app-server/
I think it's permissible. Zed uses it to power their Codex integration. OpenAI has been quite vocal about it.