curl --request POST \
  --url http://localhost:8080/v1/mcp/tool/execute \
  --header 'Content-Type: application/json' \
  --data '
{
  "function": {
    "name": "<string>",
    "arguments": "<string>"
  },
  "type": "function",
  "id": "<string>"
}
'

{
  "role": "user",
  "content": "Hello, how are you?",
  "tool_call_id": "<string>",
  "tool_calls": [
    {
      "function": {
        "name": "get_weather",
        "arguments": "{\"location\": \"San Francisco, CA\"}"
      },
      "id": "tool_123",
      "type": "function"
    }
  ],
  "refusal": "<string>",
  "annotations": [
    {
      "type": "<string>",
      "url_citation": {
        "start_index": 123,
        "end_index": 123,
        "title": "<string>",
        "url": "<string>",
        "sources": "<unknown>",
        "type": "<string>"
      }
    }
  ],
  "thought": "<string>"
}