接続の確立

The CData Code Assist MCP for HDFS defines each connection to HDFS as a named configuration that an MCP Client (such as Claude Desktop) can use when sending natural language queries.

You create and manage these configurations using the CData Code Assist MCP Configuration Tool. The tool automatically handles formatting, storage, and registration with MCP clients.

Understanding Connection Configurations

Each connection configuration is stored in a .mcp file. This file includes the details needed to initialize the connector when an MCP Client starts a session.

On Windows, configuration files are stored in "~/AppData/Roaming/CData/HDFS Data Provider/".
On macOS, configuration files are stored in "~/Library/Application Support/CData/HDFS Data Provider/".

The .mcp file is a text file that contains a list of connection properties and a timestamp. For example:

#Tue May 20 15:48:40 EDT 2025
AuthScheme=Basic
User=myUser
Password=myPassword
Security Token=myToken

The configuration tool handles these settings automatically. Each saved configuration enables an MCP client to launch a dedicated MCP server instance with the correct connector and options. Manual file editing is not required.

HDFS への接続

接続するには、以下の接続プロパティを設定します。

Host：HDFS インストールのホストに設定。
Port：HDFS インストールのポートに設定。デフォルトポート：9870
UseSSL：（オプション）HDFS サーバーへのTLS/SSL 接続をネゴシエートするには、この値を'True' に設定します。デフォルト：'False'

HDFS への認証

There are two authentication methods available for connecting to the HDFS data source, Anonymous Authentication and Negotiate (Kerberos) Authentication.

Anonymous Authentication

In some situations, HDFS may be connected to without any authentication connection properties. To do so, set the AuthScheme to None (default).

Kerberos

When authentication credentials are required, you can use Kerberos. Kerberos で認証する方法についての詳細は、Kerberos の使用を参照してください。