{
"$type": "site.standard.document",
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"path": "/t/error-creating-connector-when-trying-to-connect-mcp-server-on-website/1380719#post_3",
"publishedAt": "2026-05-12T10:21:07.000Z",
"site": "https://community.openai.com",
"tags": [
"https://help.openai.com/en/articles/12584461-developer-mode-and-mcp-apps-in-chatgpt-beta",
"https://help.openai.com/en"
],
"textContent": "Hi,\n\nBased on your post and screenshot, this looks to me more like a ChatGPT custom MCP connector/app setup issue than a regular OpenAI API endpoint issue.\n\nIf it is that, then I found this relevant **Help Center** doc that you can double check:\n\nhttps://help.openai.com/en/articles/12584461-developer-mode-and-mcp-apps-in-chatgpt-beta\n\nA few things worth checking from that doc: whether Developer Mode/custom MCP apps are enabled for your workspace, whether your plan/workspace supports creating them and whether you have the right admin/developer permissions.\n\nIf the connector creation UI itself keeps returning “Something went wrong,” I’d contact **OpenAI Support** through the **Help Center** and include the screenshot, approximate time, workspace/account type, region, connector settings and server logs.\n\nhttps://help.openai.com/en\n\n**An important side note:** since this is a custom MCP server exposed through ngrok, I’d be careful about posting the full URL publicly. **OpenAI’s docs** note that custom MCP apps/Developer Mode can introduce security risks, including prompt injection, unintended actions, destructive actions or malicious MCPs attempting to steal information.",
"title": "Error creating connector when trying to connect MCP server on website"
}