MCP server

Cloud SQL MCP server

Cloud SQL has an official MCP server (2, in fact): One server for Postgres, MySQL, SQL Server, BigQuery, AlloyDB, Spanner and more, with tools you define in YAML. Below are all 2 servers with the setup for 13 clients: Claude Code, Claude Desktop, ChatGPT, Cursor, VS Code, Codex, Gemini CLI and more. Checked 2026-10-24 against each project's own repo, docs and the official MCP Registry.

MCP Toolbox for Databases

Official · GoogleSee docs

One server for Postgres, MySQL, SQL Server, BigQuery, AlloyDB, Spanner and more, with tools you define in YAML.

★ 17kpushed 2026-10-23Apache-2.0

No one-line setup: it needs a build step, an app plugin or account details. Follow the README.

Cloud SQL

Official · GoogleRemote

Google-hosted server to manage Cloud SQL for MySQL, PostgreSQL and SQL Server instances.

https://sqladmin.googleapis.com/mcp

Run in a terminal, then /mcp inside Claude Code to sign in. Add --scope project to share it via .mcp.json. docs

claude mcp add --transport http cloud-sql https://sqladmin.googleapis.com/mcp

Which one to pick

  • Start with MCP Toolbox for Databases: it's maintained by Google and follows its API.
  • A remote server (Cloud SQL) needs no install and signs you in with OAuth. It's also the only kind ChatGPT and claude.ai can use.

FAQ

Is there an official Cloud SQL MCP server?+

Yes: MCP Toolbox for Databases and Cloud SQL, maintained by Google.

How do I connect Cloud SQL to Claude?+

In Claude Code, run the claude mcp add command shown above. In Claude Desktop, add the server to claude_desktop_config.json (Settings > Developer > Edit Config) and restart the app.

How do I use the Cloud SQL MCP server in Cursor or VS Code?+

Open the Cursor or VS Code tab on the server above: it has the exact mcp.json entry. The same server also works in Claude Code, Claude Desktop / claude.ai, ChatGPT, Cursor, VS Code and Codex.

Can I use the Cloud SQL MCP server in ChatGPT?+

ChatGPT connects to remote MCP servers only. Cloud SQL has a hosted URL: at chatgpt.com/plugins choose + > Add custom MCP server, paste the URL and create it as a plugin.

Is it safe to give an AI agent access to Cloud SQL?+

Start with the official server, a read-only or test account and approval prompts on for anything that writes. Content the agent reads from Cloud SQL (tickets, messages, pages) can carry prompt-injection instructions, so don't auto-approve actions.

All database MCP servers · Agent skills · How MCP setup works in each client

MCP servers for similar apps: AlloyDB · Azure SQL · BigQuery · Chroma · ClickHouse · CockroachDB · Confluent · Convex · Couchbase · Databricks · Dataplex · dbt · DuckDB · Elasticsearch · Firebase · Firestore · Fivetran · Kafka · MariaDB · Metabase · Milvus · MongoDB · MotherDuck · MySQL