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MCP Toolbox for Databases

Open-source MCP server for database access

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MCP Toolbox for Databases is an open-source MCP server by Google that connects AI agents to databases through a managed control plane. It handles connection pooling, authentication, and tool distribution, letting developers integrate database tools in under 10 lines of code. Supports PostgreSQL, MySQL, BigQuery, AlloyDB, Snowflake, MongoDB, Redis, ClickHouse, Neo4j, and more with ready-to-use toolsets for Claude Code, Gemini CLI, and other MCP clients.

MCP Toolbox for Databases is an open-source project by Google that provides a ready-to-use Model Context Protocol server purpose-built for database interactions. Rather than writing custom database connectors for each AI agent, developers can point any MCP-compatible client—Claude Code, Gemini CLI, Codex, or custom agents—at a single Toolbox instance that handles connection pooling, authentication, and tool lifecycle management automatically.

The server supports an extensive list of databases out of the box including PostgreSQL, MySQL, BigQuery, AlloyDB, Cloud SQL, Snowflake, MongoDB, Redis, Elasticsearch, CockroachDB, ClickHouse, Couchbase, Neo4j, Oracle, and Trino. Each database gets pre-built toolsets that agents can discover and invoke through the standard MCP protocol. The centralized control plane means tools can be updated, versioned, and shared across multiple agents without redeploying any application code.

Integration requires fewer than ten lines of code in most frameworks, and the Toolbox can be deployed as a standalone Go binary, a Docker container, or directly on Google Cloud infrastructure. SDKs are available for both Python and Go, making it straightforward to embed in existing orchestration pipelines. For teams building database-aware AI agents, MCP Toolbox eliminates the boilerplate of connection management and provides a secure, auditable layer between language models and production data stores.

Pricing

Free and open source under Apache 2.0

Platforms

Go binary, Docker, cloud-deployable

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