Baidu Vector Database MCP Server

Instructions

Create a database in the Mochow instance.

Args:
    database_name (str): Name of the database.

Returns:
    str: A message indicating the success of database creation.

Implementation Reference

• src/mochow_mcp_server/server.py:487-500 (handler)

  MCP tool handler for 'create_database'. Registers the tool with FastMCP and implements the logic by delegating to MochowConnector.create_database.

  @mcp.tool()
  async def create_database(database_name: str, ctx: Context = None) -> str:
      """
      Create a database in the Mochow instance.
  
      Args:
          database_name (str): Name of the database.
  
      Returns:
          str: A message indicating the success of database creation.
      """
      connector = ctx.request_context.lifespan_context.connector
      await connector.create_database(database_name)
      return f"Created a database named '{database_name}'in Mochow instance:\n"

• src/mochow_mcp_server/server.py:65-86 (helper)

  Helper method in MochowConnector class that performs the actual database creation using the pymochow client, first checking if it already exists.

  async def create_database(self, db_name: str) -> bool:
      """
      Create a new database.
  
      Args:
          db_name (str): Name of the database to create.
  
      Returns:
          bool: True if the database is created or already exists, False otherwise.
      """
      try:
          # database already existed
          for db in self.client.list_databases():
              if db.database_name == db_name:
                  return True
  
          # create the new database
          self.client.create_database(db_name)
          self.database = self.client.database(db_name)
          return True
      except Exception as e:
          raise ValueError(f"Failed to create database: {str(e)}")

• src/mochow_mcp_server/server.py:487-487 (registration)

  FastMCP decorator that registers the create_database function as a tool.

  @mcp.tool()

• src/mochow_mcp_server/server.py:488-497 (schema)

  Function signature and docstring defining the input schema (database_name: str) and output (str message).

  async def create_database(database_name: str, ctx: Context = None) -> str:
      """
      Create a database in the Mochow instance.
  
      Args:
          database_name (str): Name of the database.
  
      Returns:
          str: A message indicating the success of database creation.
      """