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Plugin / OpenAI

OpenAI Developers Codex Plugin

Develop AI apps, agents, and ChatGPT Apps with OpenAI best practices.

Docs reviewedChecked 2026-09-20Runtime not tested

What it adds

Use OpenAI Developers in Codex to build AI applications, agents, and ChatGPT Apps with OpenAI docs, the OpenAI API, Apps SDK, and Agents SDK. Connect to the OpenAI Platform (platform.openai.com) and see your Codex-built apps work right out of the box with real OpenAI API keys. Run and locally deploy Agents SDK projects through the Deployment Manager, scaffold ChatGPT Apps, and prepare ChatGPT Apps submission artifacts.

openai-platformapi-keyagents-sdkagentschatgpt-appsapps-sdkmcpsubmissions

Get set up

  1. Open Plugins in Codex and search for this plugin.
  2. Install it and complete any account authorization it asks for.
  3. Start a new thread to use it.
/plugins
Review before running
Read the installation source

Before you install

    Compatibility & limitations

    Documented for ChatGPT desktop app, Codex CLI, ChatGPT web

    Cursor: Not confirmed for Cursor.

      This listing is based on source documentation. We have not installed or runtime-tested this asset.

      How it fits together

      Finishing a Development Branch · SkillUse when implementation is complete, all tests pass, and you need to decide how to integrate the work.OpenAI Docs · SkillUse when the user asks how to build with OpenAI products or APIs, asks about Codex itself or choosing Codex surfaces, needs up-to-date official...Lovable · PluginBuild apps and websites.NVIDIA · PluginGuided help for NVIDIA AI, GPU, robotics, simulation, and 3D workflows.OpenAI Ads Conversions · PluginSet up OpenAI Ads Pixel and CAPI tracking.Plugin Eval · PluginStart from chat, then evaluate or benchmark locally.

      Sources & provenance

      Reviewed 2026-09-20. Source revision: main (mutable; commit not pinned).