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Cannot configure Remote GitHub MCP Server in ChatGPT (OAuth discovery error) #1081

Description

@J3m5

Summary

Attempting to add the remote GitHub MCP server as a custom connector in ChatGPT fails during OAuth setup with the message: “Error fetching OAuth configuration.”

Per the README, the remote server URL is https://api.githubcopilot.com/mcp/, and OAuth is listed as supported for compatible MCP hosts. ChatGPT appears unable to complete OAuth discovery/handshake.

Steps to Reproduce

  1. In ChatGPT (Plus/Pro or higher):
  2. Go to Settings → Connectors → Create.
  3. Enter a name and set MCP Server URL to: https://api.githubcopilot.com/mcp/
  4. Leave Authentication as OAuth.
  5. Check “I trust this application.”
  6. Click Create.

Expected

The GitHub MCP server is added and becomes available as a connector (OAuth flow completes).

Actual

ChatGPT shows “Error fetching OAuth configuration.” The connector is not created.

Environment

  • Product: ChatGPT (web)
  • Plan: Plus/Pro (individual)
  • MCP Server URL: https://api.githubcopilot.com/mcp/
Image

Activity

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