Codex

Codex plugins

Plugins shared by ChatGPT and Codex package skills, MCP servers, browser extensions and hooks, and are installed from the Plugins Directory or a marketplace source.

skillsMCP servershooksbrowser extensions

At a glance

Manifest file
.codex-plugin/plugin.json
Install
Plugins tab in the ChatGPT desktop app, open the plugin's details, select the plus button
Official directory
Plugins Directory
Your own marketplace
Supported

Links

Official documentationHow to build oneCodex: standards support, subagents and hooks

Codex setup guides

How do I make Codex run commands without asking?Where is the Codex config.toml file, and how do I set the model, approvals, sandbox, profiles, and MCP servers?

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Reviewed Oct 9, 2026.