mcp in Interactions API doesnt work.

[codemee]

Environment details

• Programming language: Python
• OS: Linux in Colab and Windows 11
• Language runtime version: 3.13
• Package version: 1.65.0

Steps to reproduce

1. create a client
2. run the code below

interaction = client.interactions.create(
      model="gemini-2.5-flash",
      input="what's the weather in Taipei？",
      tools = [{
          "type": "mcp_server",
          "name": "weather_service",
          "url": "https://gemini-api-demos.uc.r.appspot.com/mcp"
      }]
  )

this get the following error

InternalServerError: Error code: 500 - {'error': {'message': 'Internal server error', 'code': 'api_error'}}