Hologres

Connect to a Hologres instance, get table metadata, query and analyze data.

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Hologres MCP Server

Hologres MCP Server serves as a universal interface between AI Agents and Hologres databases. It enables seamless communication between AI Agents and Hologres, helping AI Agents retrieve Hologres database metadata and execute SQL operations.

Configuration

Mode 1: Using Local File

Download

Download from Github

git clone https://github.com/aliyun/alibabacloud-hologres-mcp-server.git

MCP Integration

Add the following configuration to the MCP client configuration file:

"mcpServers": {
  "hologres-mcp-server": {
    "command": "uv",
    "args": [
      "--directory",
      "/path/to/alibabacloud-hologres-mcp-server",
      "run",
      "hologres-mcp-server"
    ],
    "env": {
      "HOLOGRES_HOST": "host",
      "HOLOGRES_PORT": "port",
      "HOLOGRES_USER": "access_id",
      "HOLOGRES_PASSWORD": "access_key",
      "HOLOGRES_DATABASE": "database"
    }
  }
}

Mode 2: Using PIP Mode

Installation

Install MCP Server using the following package:

pip install hologres-mcp-server

MCP Integration

Add the following configuration to the MCP client configuration file:

"mcpServers": {
    "hologres-mcp-server": {
      "command": "uv",
      "args": [
        "run",
        "--with",
        "hologres-mcp-server",
        "hologres-mcp-server"
      ],
      "env": {
        "HOLOGRES_HOST": "host",
        "HOLOGRES_PORT": "port",
        "HOLOGRES_USER": "access_id",
        "HOLOGRES_PASSWORD": "access_key",
        "HOLOGRES_DATABASE": "database"
      }
    }
  }

Components

Tools

  • execute_select_sql: Execute a SELECT SQL query on the Hologres server
  • execute_dml_sql: Execute a DML (INSERT, UPDATE, DELETE) SQL query on the Hologres server
  • execute_ddl_sql: Execute a DDL (CREATE, ALTER, DROP) SQL query on the Hologres server
  • gather_table_statistics: Collect table statistics
  • get_query_plan: Get query plan
  • get_execution_plan: Get execution plan

Resources

Built-in Resources

  • hologres:///schemas: Get all schemas in the database

Resource Templates

  • hologres:///{schema}/tables: List all tables in a schema

  • hologres:///{schema}/{table}/partitions: List all partitions of a partitioned table

  • hologres:///{schema}/{table}/ddl: Get table DDL

  • hologres:///{schema}/{table}/statistic: Show collected table statistics

  • system:///{+system_path}: System paths include:

    • missing_stats_tables - Shows the tables that are missing statistics.
    • stat_activity - Shows the information of current running queries.
    • query_log/latest/<row_limits> - Get recent query log history with specified number of rows.
    • query_log/user/<user_name>/<row_limits> - Get query log history for a specific user with row limits.
    • query_log/application/<application_name>/<row_limits> - Get query log history for a specific application with row limits.
    • query_log/failed/<interval>/<row_limits> - Get failed query log history with interval and specified number of rows.

Prompts

None at this time

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