MCP Server PostgreSQL

Example Use Cases

• 1

  Secure, read-only access to PostgreSQL databases without embedding credentials.

• 2

  Dynamically connect to different PostgreSQL instances at runtime.

• 3

  Perform schema exploration and data selection via MCP protocol.

Description

This MCP server enables secure, read-only querying of any PostgreSQL database without hardcoded credentials, using dynamic runtime connection parameters. Built with Spring Boot, Spring AI, and Java 21, it supports multiple MCP tools such as listing schemas, tables, selecting rows, and executing read-only queries. The server is production-ready with Docker support, comprehensive testing, and input validation to ensure database safety.