# GenAI Toolbox — MCP Server for Databases by Google

> Open-source MCP server for databases by Google. Connect AI agents to PostgreSQL, MySQL, Cloud SQL, AlloyDB, and Spanner with built-in auth, connection pooling, and safety. 13K+ stars.

## Install

Merge the JSON below into your `.mcp.json`:

## Quick Use

```bash
# Download
curl -O https://storage.googleapis.com/genai-toolbox/v0/os/linux/cpu/toolbox
chmod +x toolbox

# Run with config
./toolbox --config tools.yaml
```

```yaml
# tools.yaml
sources:
  my-pg:
    kind: postgres
    host: localhost
    port: 5432
    database: mydb
    user: postgres
    password: secret
tools:
  search-users:
    kind: postgres-sql
    source: my-pg
    statement: "SELECT * FROM users WHERE name ILIKE $1"
    parameters:
      - name: query
        type: string
        description: Search term for user name
```

---

## Intro

GenAI Toolbox for Databases is an open-source MCP server by Google that connects AI agents to databases. It supports PostgreSQL, MySQL, Cloud SQL, AlloyDB, and Spanner with built-in authentication, connection pooling, parameterized queries, and safety guardrails. Designed for production use with Google Cloud but works with any database. 13,500+ GitHub stars.

**Best for**: Developers connecting AI agents to databases securely
**Works with**: Claude Code, Cursor, Gemini CLI, any MCP client

---

## Key Features

### Multi-Database Support
PostgreSQL, MySQL, Cloud SQL, AlloyDB, Spanner — configure via YAML.

### Safety Built-In
- Parameterized queries prevent SQL injection
- Read-only mode available
- Connection pooling for performance
- IAM-based authentication for Google Cloud

### MCP Protocol
Standard MCP server — works with any MCP-compatible AI tool.

### Declarative Config
Define tools as SQL templates in YAML. No code required.

---

### FAQ

**Q: What is GenAI Toolbox?**
A: An open-source MCP server by Google for connecting AI agents to databases (PostgreSQL, MySQL, Cloud SQL, AlloyDB, Spanner) with built-in safety and auth. 13K+ stars.

**Q: Does it only work with Google Cloud?**
A: No, it works with any PostgreSQL or MySQL database. Google Cloud features (Cloud SQL, IAM auth) are optional.

---

## Source & Thanks

> Created by [Google](https://github.com/googleapis). Licensed under Apache 2.0.
> [googleapis/genai-toolbox](https://github.com/googleapis/genai-toolbox) — 13,500+ GitHub stars

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Source: https://tokrepo.com/en/workflows/a3c39721-f393-4d77-a408-a32c721488e3
Author: MCP Hub