MEC PostgreSQL

By Pratye GitHub

MCP Server for Postgres with both Read and Write capabilities.

mec-postgres database-server

Overview

what is MEC PostgreSQL?

MEC PostgreSQL is a Model Context Protocol server that provides both read and write access to PostgreSQL databases, enabling LLMs to inspect database schemas and execute queries.

how to use MEC PostgreSQL?

To use MEC PostgreSQL, configure it in the Claude Desktop app by adding the server details to the claude_desktop_config.json file and run it using Docker.

key features of MEC PostgreSQL?

Execute read-only SQL queries against the connected database.
Upload and process CSV files into database tables.
Automatically discover and provide JSON schema information for each table in the database.

use cases of MEC PostgreSQL?

Inspecting database schemas for better understanding of data structure.
Executing complex SQL queries for data analysis.
Importing data from CSV files into PostgreSQL databases.

FAQ from MEC PostgreSQL?

Can I run MEC PostgreSQL on my local machine?

Yes! You can run it using Docker on your local machine.

What is the license for MEC PostgreSQL?

MEC PostgreSQL is licensed under the MIT License, allowing free use, modification, and distribution.

How do I build MEC PostgreSQL?

You can build it using Docker with the provided Dockerfile.

Content

MEC PostgreSQL

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.

Components

Tools

query
- Execute read-only SQL queries against the connected database
- Input: sql (string): The SQL query to execute
- All queries are executed within a READ ONLY transaction
uploadCsv
- Upload and process a CSV file into database tables
- Input: sql (string): The SQL query to execute
- All queries are executed within a READ AND WRITE transaction

Resources

The server provides schema information for each table in the database:

Table Schemas (postgres://<host>/<table>/schema)
- JSON schema information for each table
- Includes column names and data types
- Automatically discovered from database metadata

Usage with Claude Desktop

To use this server with the Claude Desktop app, add the following configuration to the "mcpServers" section of your claude_desktop_config.json:

Docker

when running docker on macos, use host.docker.internal if the server is running on the host network (eg localhost)
username/password can be added to the postgresql url with postgresql://user:password@host:port/db-name

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

Replace /mydb with your database name.

Building

Docker:

docker build -t mcp/postgres -f src/postgres/Dockerfile .

License

This MCP server is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.

No tools information available.