OpenAI Official Plugin Strongly Integrated into Claude Code

marsbitPublished on 2026-03-31Last updated on 2026-03-31

Abstract

OpenAI has officially released the "codex-plugin-cc" on GitHub, enabling developers to integrate OpenAI’s Codex model capabilities directly into Anthropic’s command-line development tool, Claude Code. This cross-platform integration breaks down ecosystem barriers between major AI tools, allowing developers to leverage the strengths of both models without switching environments. With simple configuration, Claude Code becomes a versatile programming assistant combining the advantages of both companies. Key features include: - Standard code review via the `/codex:review` command, providing expert improvement recommendations and double-checking for logic errors. - Adversarial review using `/codex:adversarial-review`, which challenges design decisions to identify potential performance bottlenecks or security risks. - Task delegation through `/codex:rescue`, allowing complex debugging or repair tasks to be handed off to a Codex sub-agent for collaborative problem-solving. This integration enhances code quality and development efficiency through multi-model collaboration.

Recently, the AI developer community welcomed a major update: OpenAI officially released an open-source project named codex-plugin-cc on GitHub. This plugin allows developers to directly utilize the capabilities of OpenAI's Codex model within the command-line development tool Claude Code, introduced by Anthropic.

This "cross-brand" integration breaks down the ecosystem barriers that previously existed between major AI model tools, enabling developers to leverage the technical strengths of both industry giants without switching environments. With simple command configurations, Claude Code instantly transforms into an all-in-one programming assistant that combines the best of both.

Empowered by this plugin, users can initiate a standard read-only code review using the /codex:review command to receive professional improvement suggestions from Codex. This dual verification mechanism effectively catches logical vulnerabilities that a single model might miss, adding a "double insurance" for code quality.

More uniquely, its "adversarial review" feature allows developers to use /codex:adversarial-review to actively request Codex to challenge existing design decisions. This mode is specifically designed to stress-test the rationality of system architecture, uncovering potential performance bottlenecks or security risks from a "fault-finding" perspective.

Additionally, the plugin introduces a task delegation mechanism, enabling users to transfer complex debugging or repair tasks to a Codex sub-agent via /codex:rescue. This collaborative model achieves automatic task distribution, allowing the primary model and auxiliary models to each focus on their respective areas of expertise.

github:https://github.com/openai/codex-plugin-cc

Related Questions

QWhat is the name of the official OpenAI plugin that integrates with Claude Code?

AThe plugin is called codex-plugin-cc.

QWhat is the primary function of the /codex:review command in the new plugin?

AThe /codex:review command is used to initiate a standard read-only code review to get professional improvement suggestions from the Codex model.

QWhat unique feature does the /codex:adversarial-review command provide?

AThe /codex:adversarial-review command enables an 'adversarial review' function, which actively challenges existing design decisions to stress-test the system architecture and uncover potential performance bottlenecks or security risks.

QHow does the /codex:rescue command facilitate task management?

AThe /codex:rescue command allows users to delegate complex debugging or repair tasks to a Codex sub-agent, enabling a collaborative model where the main and auxiliary models work in their respective areas of expertise.

QWhere was the codex-plugin-cc project officially released?

AThe project was officially released by OpenAI on GitHub.

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