MEC Postgres MCP Server

@Pratye

Basic information

About MEC Postgres MCP Server

A Model Context Protocol server that provides read and write access to PostgreSQL databases. This server enables LLMs to inspect database schemas and execute read and write queries.

#postgresql #postgres #database

MEC Postgres MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "postgres": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "mcp/postgres",
        "postgresql://host.docker.internal:5432/mydb"
      ]
    }
  }
}

MEC Postgres MCP Server tools

Execute read-only SQL queries against the connected database

Upload and process a CSV file into database tables

Overview

What is MEC Postgres?

MEC Postgres is a Model Context Protocol (MCP) server that provides read and write access to PostgreSQL databases. It enables LLMs to inspect database schemas and execute SQL queries.

How to use MEC Postgres?

Use with Claude Desktop by adding the server configuration to the mcpServers section of claude_desktop_config.json. The server runs via Docker and connects to a PostgreSQL database using a connection URL (e.g., postgresql://user:password@host:port/db-name). Replace the database name and credentials as needed.

Key features of MEC Postgres

Execute read-only SQL queries against PostgreSQL
Upload and process CSV files into database tables
Automatically discover table schemas as JSON resources
Deploy via Docker for easy setup with Claude Desktop
All queries use transactions (read-only or read-write)

Use cases of MEC Postgres

Allow an LLM to explore database schema before generating queries
Enable an LLM to execute analytical read queries on business data
Let an LLM ingest CSV data into a PostgreSQL table for further analysis
Provide database schema information to an LLM for context‑aware responses

Frequently asked questions

What is the difference between the query and uploadCsv tools?

`query` executes read-only SQL queries within a READ ONLY transaction; `uploadCsv` executes read and write queries within a READ AND WRITE transaction.