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Alibabacloud 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.

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polardbx-mcp

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

Installation

Option 1: Install from npm

# Install globally
npm install -g polardbx-mcp

# Or install in current project only
npm install polardbx-mcp

Option 2: Build from source

Clone this repository:
Install dependencies and build:

npm install
npm run build

Configure the PolarDB-X connection in environment variable file .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

Start the server:

npm start

Configuration for MCP Client

Example Cline Configuration if you install from npm:

{
  "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"
      },
    }
  }
}

Example Cline Configuration if you build from source:

{
  "mcpServers": {
    "polardbx-mcp": {
      "command": "node",
      "args": [
        "path_to_mcp/polardbx-mcp/build/index.js"
      ],
      "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"
      },
    }
  }
}

MCP Server Components

Tools

query: Run a SQL query on PolarDB-X
inspect database status: Inspect the status of PolarDB-X
show all commands: Show all commands SQL for PolarDB-X

Resources

The server provides schema information for each table in the database:

Table Schemas (polardbx://<database_name>/<table_name>)
- JSON schema information for each table
- Includes column names and data types