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Polardbx MCP Server

@aliyun

代码仓库

基本信息

分类

其他

许可证

Apache-2.0

传输方式

stdio

作者

aliyun

关于 Polardbx MCP Server

A Model Context Protocol (MCP) server which provides tools and resources, allowing AI agent to interact with Alibaba cloud PolarDB-X databases.

#database#aliyun#alibaba#polardb#polardb-x

Polardbx MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "polardbx-mcp": {
      "command": "npx",
      "args": [
        "polardbx-mcp"
      ],
      "env": {
        "POLARDB_X_HOST": "your_database_host",
        "POLARDB_X_PORT": "your_database_port",
        "POLARDB_X_USER": "your_database_user",
        "POLARDB_X_PASSWORD": "your_database_password",
        "POLARDB_X_DATABASE": "your_database_name"
      }
    }
  }
}

Polardbx MCP Server 工具

1

Run a SQL query on PolarDB-X

概览

What is polardbx-mcp?

polardbx-mcp is a Model Context Protocol (MCP) server that provides tools and resources, allowing AI agents to interact with Alibaba Cloud PolarDB-X databases.

How to use polardbx-mcp?

Install globally via npm (npm install -g polardbx-mcp) or build from source. Configure database connection using environment variables POLARDB_X_HOST, POLARDB_X_PORT, POLARDB_X_USER, POLARDB_X_PASSWORD, and POLARDB_X_DATABASE. Then start the server and configure your MCP client (e.g., Cline) to use the server with the same environment variables.

Key features of polardbx-mcp

  • Run SQL queries on PolarDB-X databases
  • Inspect PolarDB-X database status
  • List all available PolarDB-X SQL commands
  • Access table schema information as resources
  • Simple npm or source-based installation

Use cases of polardbx-mcp

  • Let an AI assistant execute and analyze SQL queries on a PolarDB-X database
  • Allow an AI agent to inspect database health and status
  • Enable AI tools to explore table schemas for data understanding

常见问题

1

What tools does polardbx-mcp provide?

It provides three tools: `query` to run SQL, `inspect database status` to check database state, and `show all commands` to list all PolarDB-X SQL commands.

2

What resources does polardbx-mcp expose?

It exposes table schemas as resources in the format `polardbx://<database_name>/<table_name>`, providing JSON schema information including column names and data types.

3

What are the runtime requirements?

polardbx-mcp requires Node.js and npm. For source builds, you also need to install dependencies (`npm install`) and build the project (`npm run build`).

4

How is the database connection configured?

Connection is configured via environment variables: `POLARDB_X_HOST`, `POLARDB_X_PORT`, `POLARDB_X_USER`, `POLARDB_X_PASSWORD`, and `POLARDB_X_DATABASE`. These can be set in a `.env` file or passed directly to the MCP client configuration.

5

Is authentication supported?

Yes, authentication is handled via the `POLARDB_X_USER` and `POLARDB_X_PASSWORD` environment variables. The server uses these credentials to connect to PolarDB-X. No other authentication methods (e.g., OAuth) are mentioned.

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