Open ChatGPT Plugins
Choose Add (or +), then Create custom MCP server. Some accounts label it "Add custom MCP server".
Open chatgpt.com/plugins (opens a new tab)Don't see the option?
Check that you are using an eligible paid account on the web. If Developer mode is available in your settings, enable it. Workspace admins may restrict custom plugins, and security settings such as Lockdown can block them.
OpenAI's current setup guide ↗