# ChatGPT and Codex

> Tool · OpenAI · status: Stable (MCP connectors in ChatGPT need Developer mode) · checked 2026-09-30
> ES: Estable (los conectores MCP en ChatGPT requieren modo desarrollador)

ChatGPT adds remote MCP servers in Developer mode; Codex supports MCP (codex mcp add) and Agent Skills in ~/.agents/skills.

## How to connect or install
Codex: codex mcp add <name> --url <url>. Skills: ~/.agents/skills/<name>/SKILL.md

## Links
- https://developers.openai.com/codex/skills
- Docs: https://til.simonwillison.net/llms/mcp-in-claude-and-chatgpt

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