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PostgreSQL MCP Server

by vignesh-codes

The PostgreSQL MCP Server allows LLMs to interact with PostgreSQL databases for schema inspection, query execution, and CRUD operations. It extends the original PostgreSQL MCP Server with functionalities to create, update, and delete tables and entries.

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What is PostgreSQL MCP Server?

This is a Model Context Protocol (MCP) server that provides an interface for Large Language Models (LLMs) to interact with PostgreSQL databases. It enables LLMs to inspect schemas, execute queries, and perform CRUD operations.

How to use PostgreSQL MCP Server?

To use the server, first install Docker and Claude Desktop. Clone the repository, run the PostgreSQL Docker container, and build the MCP server. Then, configure Claude Desktop to connect to the MCP server by updating the mcpServers field in claude_desktop_config.json with the provided Docker command and PostgreSQL connection string. Restart Claude Desktop after updating the config file.

Key features of PostgreSQL MCP Server

  • Execute read-only SQL queries

  • Create new tables dynamically

  • Insert new entries into tables

  • Update existing entries in tables

  • Delete entries from tables

  • Drop existing tables

  • Provides schema information for each table

Use cases of PostgreSQL MCP Server

  • Allow LLMs to query databases for information retrieval

  • Enable LLMs to create and manage database schemas

  • Facilitate LLMs to update and maintain database content

  • Automate database tasks using LLMs

  • Integrate LLMs with existing PostgreSQL databases

FAQ from PostgreSQL MCP Server

What is MCP?

MCP stands for Model Context Protocol. It's a protocol that allows LLMs to interact with external tools and services, such as databases.

What is PostgreSQL?

PostgreSQL is a powerful, open-source relational database management system (RDBMS).

How do I install the server?

Follow the installation steps in the README, which include installing Docker, cloning the repository, building the Docker image, and configuring Claude Desktop.

How do I connect to the server from Claude Desktop?

Update the mcpServers section of your claude_desktop_config.json file with the provided Docker command and PostgreSQL connection string.

What kind of SQL queries can I execute?

The server supports read-only SQL queries for retrieving data. It also supports queries for creating, updating, and deleting tables and entries.