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PostgreSQL MCP Server

@1Levick3

Repository

About PostgreSQL MCP Server

Mcp server for postgres

Basic information

Category

Databases

License

MIT license

Runtime

node

Transports

stdio

Publisher

1Levick3

Config

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

{
  "mcpServers": {
    "postgresql-mcp-server-1levick3": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli",
        "install",
        "@1Levick3/postgresql-mcp-server",
        "--client",
        "claude"
      ]
    }
  }
}

Tools

No tools detected

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Overview

What is PostgreSQL MCP Server?

A Model Context Protocol server that enables direct PostgreSQL database query execution with support for parameterized queries and configurable timeouts. It is designed specifically for use with the Cursor IDE.

How to use PostgreSQL MCP Server?

Install via Smithery with npx -y @smithery/cli install @1Levick3/postgresql-mcp-server --client claude or manually by cloning the repository, installing dependencies, building, and adding to your MCP settings file with a POSTGRES_CONNECTION_STRING environment variable and optional SSL certificate path.

Key features of PostgreSQL MCP Server

  • Execute custom SQL queries against PostgreSQL databases
  • Supports parameterized queries for safe variable interpolation
  • Configurable connection timeouts
  • Uses connection pooling for efficient resource management
  • Validates connection strings and supports SSL/TLS
  • Designed for integration with Cursor IDE

Use cases of PostgreSQL MCP Server

  • Running ad‑hoc database queries from an AI assistant in Cursor IDE
  • Performing database exploration and data retrieval via natural language prompts
  • Building AI‑powered tools that need to query PostgreSQL directly
  • Automating SQL‑based tasks within development workflows

FAQ from PostgreSQL MCP Server

What is the purpose of this server?

It provides an MCP interface for executing PostgreSQL queries, enabling AI assistants (specifically within Cursor IDE) to interact with a PostgreSQL database.

What are the dependencies?

Node.js version 18.0.0 or higher, a running PostgreSQL server for target operations, and network access to that PostgreSQL instance.

How do I configure the connection?

Set the POSTGRES_CONNECTION_STRING environment variable in your MCP settings. Optionally, set POSTGRES_SSL_CERT_PATH to the path of an SSL root certificate.

Does it support SSL/TLS?

Yes. The server validates connection strings and supports SSL/TLS connections for secure communication with the database.

Where does the data live?

The server only queries the remote PostgreSQL database specified in the connection string; it does not store data locally.

Comments

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