Summary

This repository offers a curated list of over 280 resources for OpenAI's Codex CLI, an open-source terminal-based AI coding agent. It addresses the fragmentation of the Codex CLI ecosystem by organizing tools, skills, subagents, and plugins with descriptive annotations. This resource aids engineers and power users in efficiently discovering and evaluating components to maximize Codex CLI's utility as an AI pair programmer.

How It Works

Codex CLI leverages GPT models for code assistance directly within the terminal, featuring sandboxed execution, multi-agent orchestration, and an extensible plugin/skill system. This list consolidates the diverse ecosystem built around Codex CLI, providing organized access to community and official resources that enhance its core capabilities for code writing, refactoring, and debugging.

Quick Start & Requirements

Users must first set up OpenAI Codex CLI itself, with official guides available and a "Medium Quick Setup" promising a 2-minute install. Codex CLI requires access to OpenAI models, typically via a ChatGPT Pro subscription ($20/mo) or API usage. Core dependencies for Codex CLI include Rust, and its sandboxing features may rely on OS-specific tools like Seatbelt (macOS), Landlock/Bubblewrap (Linux), or restricted-token mechanisms (Windows).

Highlighted Details

• Extensive Curation: Over 280 resources cataloged across agents, skills, plugins, MCP servers, and IDE integrations.
• Organized Structure: Resources are categorized with opinionated descriptions for efficient selection.
• Cross-Agent Support: Many listed tools and skills are designed to be compatible with other AI coding agents like Claude Code and Gemini CLI.
• Open Standards: Promotes and links to resources supporting the AGENTS.md open standard, used by thousands of projects.
• Security Focus: Details official sandboxing mechanisms (Seatbelt, Landlock, Bubblewrap) and execution policies.

Maintenance & Community

The Codex CLI ecosystem is actively developing, supported by official GitHub Discussions, a Reddit community (r/ChatGPT), and OpenAI Developer Forums. Key team members and frequent contributors are highlighted, fostering community engagement around this consolidation effort.

Licensing & Compatibility

OpenAI Codex CLI is licensed under the Apache-2.0 license, permitting commercial use and modification. Many listed community resources also adopt permissive licenses, though individual project licenses should be verified. The focus on cross-agent compatibility ensures many tools are designed to work alongside or integrate with other AI coding assistants.

Limitations & Caveats

As a curated list, its value depends on the ongoing maintenance and accuracy of the linked resources. Some Codex CLI features, such as hooks, are noted as being in beta. The effectiveness of Codex CLI itself relies on the underlying OpenAI model performance and API availability. The inherent fragmentation of the ecosystem, which this list aims to mitigate, remains a challenge.