Hologres MCP Server

What is Hologres MCP Server?

Hologres MCP Server serves as a universal interface between AI Agents and Hologres databases, enabling seamless communication for retrieving database metadata and executing SQL operations.

How to use Hologres MCP Server?

Install via local repository clone or pip install hologres-mcp-server. Configure required environment variables (HOLOGRES_HOST, HOLOGRES_PORT, HOLOGRES_USER, HOLOGRES_PASSWORD, HOLOGRES_DATABASE). Run the server in SSE mode (default) or STDIO mode using the --transport flag. Add the server configuration to your MCP client (e.g., Cherry Studio) with the appropriate command and environment variables.

Key features of Hologres MCP Server

• Dual transport mode support (STDIO and SSE)
• Database metadata access (schemas, tables)
• SQL execution with result analysis
• Table statistics collection and viewing
• Query plan and execution plan retrieval

Use cases of Hologres MCP Server

• AI agents retrieving Hologres schema and table information
• Executing SQL queries interactively through an agent
• Collecting table statistics for performance tuning
• Obtaining query or execution plans for optimization
• Monitoring current running queries and query logs

FAQ from Hologres MCP Server

What is the default transport mode?

The server runs in SSE (Server-Sent Events) mode by default. You can switch to STDIO mode using the --transport stdio argument.

What environment variables are required?

HOLOGRES_USER, HOLOGRES_PASSWORD, and HOLOGRES_DATABASE are required. SERVER_HOST and SERVER_PORT are only needed for SSE mode.

What system resources are available for monitoring?

System resource templates expose missing_stats_tables, stat_activity, query_log/latest/<row_limits>, and query logs filtered by user or application.

Can it be integrated with Cherry Studio?

Yes. For SSE mode, use the server’s host and port (e.g., http://localhost:8001). For STDIO mode, configure the command and arguments as shown in the README.

What Python version is required?

Python 3.10 or higher is required, along with the uv package manager for development.