如何为 Grok 接入实时股票市场数据

tools = [{
  "type": "function",
  "name": "get_stock_quote",
  "description": "Get a current read-only stock quote",
  "parameters": {
    "type": "object",
    "properties": {
      "symbol": {"type": "string"},
      "exchange": {"type": "string"},
      "value_type": {
        "type": "string",
        "enum": ["last_trade", "bid", "ask"]
      }
    },
    "required": ["symbol", "value_type"]
  }
}]

response = client.responses.create(
  model=MODEL,
  input=[{"role":"user", "content": user_prompt}],
  tools=tools,
  tool_choice="auto"
)

# Execute requested calls on your server.
# Validate args; call your entitled provider.
quote = get_stock_quote(**args)

response = client.responses.create(
  model=MODEL,
  previous_response_id=response.id,
  tools=tools,
  input=[{
    "type": "function_call_output",
    "call_id": call_id,
    "output": json.dumps(quote)
  }]
)