Yahoo Finance MCP Server

Instructions

Implementation Reference

• server.py:160-187 (handler)

  Handler function that fetches recent news articles for the given stock ticker using the Financial Modeling Prep API (v4/general_news endpoint), extracts title, text summary, and URL for each article, and formats them into a string response.

  async def get_news_sentiment(ticker: str) -> str:
      """Get news for a given ticker symbol"""
  
      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/api/v4/general_news"
      try:
          resp = requests.get(
              url, params={"tickers": ticker, "page": 0, "size": 50, "apikey": api_key}, timeout=10
          )
          resp.raise_for_status()
          data = resp.json()
      except Exception as e:
          return f"Error: getting news for {ticker}: {e}"
  
      news_list = []
      for item in data:
          title = item.get("title", "")
          summary = item.get("text", "")
          link = item.get("url", "")
          news_list.append(f"Title: {title}\nSummary: {summary}\nURL: {link}")
  
      if not news_list:
          return f"No news found for {ticker}"
  
      return "\n\n".join(news_list)

• server.py:151-159 (registration)

  Tool registration using the @fmp_server.tool decorator, specifying the name and Chinese description with parameter details.

  @fmp_server.tool(
      name="get_news_sentiment",
      description="""获取指定股票的相关新闻列表。
  
  参数说明：
      ticker: str
          股票代码，例如 "AAPL"
  """,
  )

• server.py:37-37 (helper)

  Mention of the tool in the server instructions string listing available tools.

  - get_news_sentiment：获取股票相关新闻。