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Troubleshooting

Fix a ChatGPT connector that cannot connect to an MCP server

ChatGPT only connects to remote MCP servers over a public HTTPS URL. Local servers that start with npx or uvx will not work. Use a server with a hosted URL, check that your plan and workspace allow custom connectors, and complete the sign-in step if the server uses OAuth.

ChatGPT

Why it happens

  • The server only runs locally.
  • The URL is wrong, not HTTPS, or not publicly reachable.
  • Custom connectors are turned off for your plan or workspace.
  • The OAuth sign-in was not completed.

How to fix it

  1. 1

    Use a remote server

    Pick a server marked Remote on this site. See remote MCP servers.

  2. 2

    Check the URL

    Copy the URL exactly from the server's listing. It should start with https://.

  3. 3

    Check your workspace settings

    Some plans need developer mode or an admin to allow custom connectors. Look under Settings, then Connectors.

Still stuck? Every server page on this site shows the exact config for each app. Find your server.