Db MCP Server

Multi-database MCP server - provides AI assistants with structured database access to MySQL, PostgreSQL, SQLite, and TimescaleDB

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What is the Db MCP server?

If you already use Db, the db mcp server is the piece that lets your assistant work with it directly. Multi-database MCP server - provides AI assistants with structured database access to MySQL, PostgreSQL, SQLite, and TimescaleDB.

What the server does

The DB MCP Server provides a standardized way for AI models to interact with multiple databases simultaneously. Built on the FreePeak/cortex framework, it enables AI assistants to execute SQL queries, manage transactions, explore schemas, and analyze performance across different database systems through a unified interface.

  • Simultaneous Multi-Database Support — Connect to multiple MySQL, PostgreSQL, SQLite, and Oracle databases concurrently
  • Lazy Loading Mode — Defer connection establishment until first use - perfect for setups with 10+ databases (enable with --lazy-loading flag)
  • Database-Specific Tool Generation — Auto-creates specialized tools for each connected database
  • Clean Architecture — Modular design with clear separation of concerns
  • OpenAI Agents SDK Compatibility — Full compatibility for seamless AI assistant integration
  • Dynamic Database Tools — Execute queries, run statements, manage transactions, explore schemas, analyze performance

Installation

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client.

Available tools

The toolset is worth reading before you wire it up, because it tells you what the integration is really for:

  • Logs — The Logs tool exposed by this server

Credentials and setup notes

Configuration is passed through the environment: DB_CONFIG, CONFIG_PATH, DB_MCP_API_KEY, ORACLE_TEST_HOST, TIMESCALEDB_TEST_HOST, MYSQL_TEST_HOST, POSTGRES_TEST_HOST. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

Worth knowing first

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Where it fits

Plenty of database access servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Db's toolset — Logs — is a fair guide to whether it matches your workflow. It is maintained by FreePeak; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Available tools

ToolWhat it does
LogsThe Logs tool exposed by this server.

Configuration

VariableDescriptionRequired
DB_CONFIGConfiguration value read at startup.Optional
CONFIG_PATHFilesystem location the server is allowed to use.Optional
DB_MCP_API_KEYCredential the server authenticates with.Yes
ORACLE_TEST_HOSTEndpoint or connection string the server talks to.Optional
TIMESCALEDB_TEST_HOSTEndpoint or connection string the server talks to.Optional
MYSQL_TEST_HOSTEndpoint or connection string the server talks to.Optional
POSTGRES_TEST_HOSTEndpoint or connection string the server talks to.Optional

Example prompts to try

  • Use Db to Logs.

Frequently asked questions

It connects Db to MCP-compatible AI assistants such as Claude and Cursor, exposing 1 tool (Logs) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Db directly.