VNStock MCP Server

Instructions

Get industry holding of a fund from stock market
Args:
    symbol: str (symbol of the fund to get industry holding)
    output_format: Literal['json', 'dataframe'] = 'json'
Returns:
    pd.DataFrame

Implementation Reference

• src/vnstock_mcp/server.py:578-595 (handler)

  The handler function decorated with @server.tool(), which registers the tool and defines its schema via type hints and docstring. It retrieves the fund's industry holdings using the vnstock library's FMarketFund and returns the data in JSON or DataFrame format.

  @server.tool()
  def get_fund_industry_holding(
      symbol: str, output_format: Literal["json", "dataframe"] = "json"
  ):
      """
      Get industry holding of a fund from stock market
      Args:
          symbol: str (symbol of the fund to get industry holding)
          output_format: Literal['json', 'dataframe'] = 'json'
      Returns:
          pd.DataFrame
      """
      fund = FMarketFund()
      df = fund.details.industry_holding(symbol=symbol)
      if output_format == "json":
          return df.to_json(orient="records", force_ascii=False)
      else:
          return df