MCP Servers

Postgres MCP Server

Enables interaction with PostgreSQL databases through MCP, allowing users to explore database structures, inspect table schemas, and execute read-only SQL queries.

README

Postgres MCP Server

A Model Context Protocol (MCP) server that exposes Postgres database information to VS Code agents and other MCP-compatible clients.

Features

List available databases
List schemas in a database
List tables in a schema
Get table schema (columns)
Execute read-only SQL queries

Setup

Create a virtual environment and install dependencies:

python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt

Configure your Postgres connection in .env:

DB_HOST=localhost
DB_PORT=5432
DB_NAME=postgres
DB_USER=postgres
DB_PASSWORD=your_password

Run the server:

source venv/bin/activate
python server.py

Usage with VS Code

Add to your .vscode/mcp.json:

{
  "servers": {
    "postgres-mcp": {
      "type": "stdio",
      "command": "venv/bin/python",
      "args": ["server.py"]
    }
  }
}

Tools

list_databases: Lists all databases
list_schemas: Lists schemas in a database
list_tables: Lists tables in a schema
get_table_schema: Gets column details for a table
execute_query: Runs SELECT queries (read-only)

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