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MCP Toolbox for Databases

MCP server by Google

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By the Klyvoo teamChecked October 3, 2026Checked on official sources

MCP Toolbox for Databases at a glance

MCP Toolbox for Databases is an official MCP server from Google. It lets an AI assistant query many databases through prebuilt or custom SQL tools.

Connects to
Data and databases
Hosting
Local · stdio and Streamable HTTP
Sign-in
Database credentials
Price
Free
Works with
Gemini CLI, Antigravity, Claude Code, Codex
Best for
Teams with many databases or Google Cloud
Checked
October 3, 2026 on official sources

How to install MCP Toolbox for Databases

Add the command below as a new MCP server in your AI app’s settings or MCP config file. Sign-in: Database credentials.

Install or connect
npx @toolbox-sdk/server --prebuilt=postgres --stdio

What MCP Toolbox for Databases can do

It is an open source MCP server that connects AI agents to databases like Postgres, MySQL, BigQuery, AlloyDB, Spanner and Snowflake. You can use prebuilt tools for quick exploration or define your own tools in a config file.

Tools it exposes include
list_tablesexecute_sqlCustom SQL tools from configPrebuilt Postgres and MySQL toolsBigQuery and Cloud SQL support

Best for: teams with many databases or Google Cloud

Pros

  • Supports dozens of databases
  • Custom tools for production agents
  • Large active community

Cons

  • Self-hosted with your own credentials
  • Custom tools need YAML setup

MCP Toolbox for Databases FAQ

Is MCP Toolbox for Databases free?

Yes. It is free and open source under Apache-2.0. Your database or cloud costs still apply.

How do I connect MCP Toolbox for Databases?

Run npx @toolbox-sdk/server –prebuilt=postgres –stdio (swap postgres for your database) and add it to your client.

What can MCP Toolbox for Databases do?

It can list tables, run SQL and expose custom database tools across Postgres, MySQL, BigQuery, Spanner and more.