Yahoo Finance MCP Server

Instructions

Implementation Reference

• server.py:855-873 (handler)

  The handler function that implements the tool logic. It fetches the latest stock grade news from the Financial Modeling Prep API endpoint 'grades-latest-news' using the provided page and limit parameters, handles API key, makes HTTP request, and returns JSON data or error.

  async def get_stock_grade_latest_news(page: int = 0, limit: int = 10) -> str:
      """获取所有股票的最新评级新闻"""
  
      api_key = os.environ.get("FMP_API_KEY")
      if not api_key:
          return "Error: FMP_API_KEY environment variable not set."
  
      url = "https://financialmodelingprep.com/stable/grades-latest-news"
      try:
          resp = requests.get(
              url,
              params={"page": page, "limit": limit, "apikey": api_key},
              timeout=10,
          )
          resp.raise_for_status()
          data = resp.json()
      except Exception as e:
          return f"Error: getting latest grade news: {e}"
      return json.dumps(data)

• server.py:845-854 (registration)

  The registration of the tool using the @fmp_server.tool decorator, specifying the name and description including parameter details.

  @fmp_server.tool(
      name="get_stock_grade_latest_news",
      description="""获取最新评级新闻。
  
  参数说明：
      page: int
          页码，默认 0
      limit: int
          每页数量，最大 1000，默认 10""",
  )

• server.py:855-855 (schema)

  The function signature providing input schema via type hints (page: int default 0, limit: int default 10) and output as str (JSON).

  async def get_stock_grade_latest_news(page: int = 0, limit: int = 10) -> str: