Postgresql MCP

Name: Postgresql MCP
Author: sarmadparvez

@sarmadparvez

About Postgresql MCP

A general-purpose PostgreSQL MCP server with full read-write support, atomic transactions, and schema inspection. Connect Claude, Cursor, Windsurf, or any MCP-compatible AI client to any PostgreSQL database — local, Supabase, AWS RDS, or self-hosted. No cloud lock-in, no Azure de

Basic information

Config

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

{
  "mcpServers": {
    "postgres": {
      "command": "npx",
      "args": [
        "-y",
        "@sarmadparvez/postgresql-mcp",
        "postgresql://user:pass@localhost:5432/mydb"
      ]
    }
  }
}

Tools

Execute a read-only SQL SELECT query and return results as JSON

Execute a write SQL statement (INSERT, UPDATE, DELETE, TRUNCATE, CREATE, DROP). Returns rows affected.

List all tables with their columns, types, and constraints for a given schema (default: public)

List all tables in the database with row counts

Execute multiple SQL statements as a single atomic transaction. Rolls back all on any error.

Overview

What is Postgresql MCP?

Postgresql MCP is a general-purpose MCP server for PostgreSQL databases that provides full read-write support, atomic transactions, and schema inspection. It connects MCP-compatible AI clients such as Claude, Cursor, and Windsurf to any PostgreSQL database—local, Supabase, AWS RDS, or self-hosted—without cloud lock-in or Azure dependency.

How to use Postgresql MCP?

Configure the server by providing a connection string to your PostgreSQL database. An optional read-only mode can be enabled via a flag in the connection string. Once connected, you can execute SELECT, INSERT, UPDATE, DELETE, DDL statements, and multi-statement transactions with automatic rollback on failure.

Key features of Postgresql MCP

Full read-write support for PostgreSQL databases
Atomic transactions with automatic rollback
Schema inspection capabilities
Optional read-only mode via connection string flag
Supports SELECT, INSERT, UPDATE, DELETE, and DDL
Compatible with any MCP AI client (Claude, Cursor, Windsurf)

Use cases of Postgresql MCP

Allow AI assistants to run database queries and retrieve live data
Enable AI agents to perform schema analysis and table creation
Facilitate automated data entry and updates through natural language
Support safe read-only exploration of production databases

FAQ from Postgresql MCP

What database operations does Postgresql MCP support?

It supports SELECT, INSERT, UPDATE, DELETE, DDL statements, and multi-statement transactions with automatic rollback.

Can I use Postgresql MCP in read-only mode?

Yes, an optional read-only mode can be enabled via the connection string flag.

What kinds of PostgreSQL databases can I connect to?

Any PostgreSQL database—local instances, Supabase, AWS RDS, or self-hosted setups.

Is Postgresql MCP tied to any cloud provider?

No. It has no cloud lock-in and no dependency on Azure or any other provider.

Which AI clients are compatible with Postgresql MCP?

It works with any MCP-compatible AI client, including Claude, Cursor, and Windsurf.

Comments

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