Yahoo Finance MCP Server

Instructions

Implementation Reference

• server.py:1104-1118 (handler)

  The main handler function that implements the get_crypto_list tool by fetching the cryptocurrency list from the Financial Modeling Prep API and returning it as a JSON string.

  async def get_crypto_list() -> str:
      """获取可交易的加密货币列表"""
  
      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/cryptocurrency-list"
      try:
          resp = requests.get(url, params={"apikey": api_key}, timeout=10)
          resp.raise_for_status()
          data = resp.json()
      except Exception as e:
          return f"Error: getting cryptocurrency list: {e}"
      return json.dumps(data)

• server.py:1100-1103 (registration)

  The decorator that registers the get_crypto_list tool with the MCP server, specifying its name and description.

  @fmp_server.tool(
      name="get_crypto_list",
      description="""获取交易所上市的加密货币列表。""",
  )