Query | MCP server for Supabase

🌅 More than 17k installs via pypi and close to 30k downloads on Smithery.ai — in short, this was fun! 🥳 Thanks to everyone who has been using this server for the past few months, and I hope it was useful for you. Since Supabase has released their own official MCP server, I've decided to no longer actively maintain this one. The official MCP server is as feature-rich, and many more features will be added in the future. Check it out!

Query MCP is an open-source MCP server that lets your IDE safely run SQL, manage schema changes, call the Supabase Management API, and use Auth Admin SDK — all with built-in safety controls.

Table of contents

Getting started • Feature overview • Troubleshooting • Changelog

✨ Key features

• 💻 Compatible with Cursor, Windsurf, Cline and other MCP clients supporting stdio protocol
• 🔐 Control read-only and read-write modes of SQL query execution
• 🔍 Runtime SQL query validation with risk level assessment
• 🛡️ Three-tier safety system for SQL operations: safe, write, and destructive
• 🔄 Robust transaction handling for both direct and pooled database connections
• 📝 Automatic versioning of database schema changes
• 💻 Manage your Supabase projects with Supabase Management API
• 🧑‍💻 Manage users with Supabase Auth Admin methods via Python SDK
• 🔨 Pre-built tools to help Cursor & Windsurf work with MCP more effectively
• 📦 Dead-simple install & setup via package manager (uv, pipx, etc.)

Getting Started

Prerequisites

Installing the server requires the following on your system:

• Python 3.12+

If you plan to install via uv, ensure it's installed.

PostgreSQL Installation

PostgreSQL installation is no longer required for the MCP server itself, as it now uses asyncpg which doesn't depend on PostgreSQL development libraries.

However, you'll still need PostgreSQL if you're running a local Supabase instance:

MacOS

brew install postgresql@16

Windows

• Download and install PostgreSQL 16+ from https://www.postgresql.org/download/windows/
• Ensure "PostgreSQL Server" and "Command Line Tools" are selected during installation

Step 1. Installation

Since v0.2.0 I introduced support for package installation. You can use your favorite Python package manager to install the server via:

# if pipx is installed (recommended)
pipx install supabase-mcp-server

# if uv is installed
uv pip install supabase-mcp-server

pipx is recommended because it creates isolated environments for each package.

You can also install the server manually by cloning the repository and running pipx install -e . from the root directory.

Installing from source

If you would like to install from source, for example for local development:

uv venv
# On Mac
source .venv/bin/activate
# On Windows
.venv\Scripts\activate
# Install package in editable mode
uv pip install -e .

Installing via Smithery.ai

You can find the full instructions on how to use Smithery.ai to connect to this MCP server here.

Step 2. Configuration