Baidu Vector Database MCP Server

Instructions

Describe index details in the Mochow instance.

Args:
    table_name (str): Name of the table.
    index_name (str): Name of the index to describe.

Returns:
    str: A string containing the details of the index.

Implementation Reference

• src/mochow_mcp_server/server.py:591-605 (handler)

  The main execution logic for the 'describe_index' tool, decorated with @mcp.tool() which also serves as registration. It retrieves index details via the connector and formats the response.

  @mcp.tool()
  async def describe_index(table_name: str, index_name: str, ctx: Context = None) -> str:
      """
      Describe index details in the Mochow instance.
  
      Args:
          table_name (str): Name of the table.
          index_name (str): Name of the index to describe.
  
      Returns:
          str: A string containing the details of the index.
      """
      connector = ctx.request_context.lifespan_context.connector
      details = await connector.describe_index_info(table_name, index_name)
      return f"Index details named '{index_name}' for table named '{table_name}' in Mochow instance:\n{str(details)}"

• src/mochow_mcp_server/server.py:153-169 (helper)

  Helper method in MochowConnector class that fetches and returns the index information as a dictionary from the database.

  async def describe_index_info(self, table_name: str, index_name: str) -> dict:
      """
      Get detailed information about a index.
  
      Args:
          table_name (str): Name of the table.
          index_name (str): Name of the index.
  
      Returns:
          dict: A dictionary containing index details.
      """
      if self.database is None:
          raise ValueError("Switch to the database before describe index")
      try:
          return self.database.table(table_name).describe_index(index_name).to_dict()
      except Exception as e:
          raise ValueError(f"Failed to get index detail info: {str(e)}")