OpenAI

Lightweight coding agent from OpenAI that runs locally in your terminal, usable with a ChatGPT plan or API key.

GitHub Action that runs Codex inside CI/CD workflows to review PRs or apply patches, with configurable sandbox privileges.

Claude Code plugin that lets you run Codex from within Claude Code to review code or delegate background tasks using your local Codex auth.

JavaScript/TypeScript framework for building multi-agent and voice agent workflows with handoffs, guardrails, and tracing.

Lightweight, provider-agnostic framework for building multi-agent workflows with tools, handoffs, guardrails, sessions, and tracing.

Official, type-annotated Python client library for the OpenAI REST API, with synchronous and asynchronous clients for the Responses, Chat Completions, and Realtime APIs.

Official catalog of Agent Skills (folders of instructions, scripts, and resources) that Codex and other AI agents can discover and use.

Engineering-preview orchestrator that turns project work into isolated, autonomous Codex implementation runs by monitoring a board and spawning agents.