Create/list/search issue for github repo is not working

[alifarooq93]

Describe the bug

I’m using the github-mcp-server Docker image to integrate GitHub actions with OpenWebUI. I successfully ran the server and connected it to OpenWebUI tools. Creating repositories and branches works fine, but when I try to create an issue, I get a 500 Internal Server Error.

Steps to reproduce

1. Run the MCP server with:
   GITHUB_TOKEN=token uvx mcpo --port 8000 -- uvx mcp-github -y ghcr.io/github/github-mcp-server

2. Connect the server to OpenWebUI.

3. Successfully create branches or repositories with commands.

4. Attempt to create an issue with the command:
   Create an issue titled “start-the-work” in the mcp-test1 repository owned by afar,
   description: “test”,
   assign to afar,
   no labels, no milestones.

Expected behavior

The issue should be created successfully in the repository.

Actual behavior

The server returns a 500 Internal Server Error with a vague message and no clear indication of the root cause.

Additional context

• The GitHub token used has all necessary permissions.

• Repository and branch creation commands work without issue.

• Logs indicate:
  Error executing tool create_issue: Unexpected error: None

It would be really helpful if anyone could point out what might be going wrong or what I might be missing. Thanks!