OpenAI has added plugin support to Codex, its agentic coding app, directly targeting feature parity with Anthropic's Claude Code and Google's Gemini CLI.
These plugins are not simple extensions. Each bundle can contain three components: skills (prompt-defined workflows), app integrations, and MCP servers. That last piece, Model Context Protocol, is the real story. It means Codex can now connect to external tools and data sources in a standardized way, making configurations repeatable across entire organizations rather than per-user workarounds.
The full article is worth reading for what it reveals about the competitive pressure shaping these tools. OpenAI is reacting, not leading, and the plugin framing obscures how much architectural ground Codex is still covering to catch up.
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