Model Database Protocol MCP Server

MDBP enables secure database access for LLMs. Instead of generating raw SQL, LLMs produce structured **intent** objects. MDBP validates these intents

Local serverstdioPython

What is the Model Database Protocol MCP server?

If you already use Model Database Protocol, the model database protocol mcp server is the piece that lets your assistant work with it directly. MDBP enables secure database access for LLMs. Instead of generating raw SQL, LLMs produce structured intent objects. MDBP validates these intents against a schema registry, enforces access policies, builds parameterized queries via.

What the server does

An intent is a structured JSON object that describes a database operation. Every intent contains these core fields:

Available tools

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

  • Pipeline — The Pipeline tool exposed by this server
  • HAVING — The HAVING tool exposed by this server
  • RETURNING — The RETURNING tool exposed by this server
  • UNION — intersect and except intents are also supported in the same way

Installation

mdbp on PyPI is all you need. Most clients run it directly, so configuration is a few lines and a restart.

Credentials and setup notes

Configuration is passed through the environment: DATABASE_URL. 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.

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. Model Database Protocol's toolset — Pipeline, HAVING, RETURNING and 1 more — is a fair guide to whether it matches your workflow. It is maintained by dorukyelken; 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We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

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.

Available tools

ToolWhat it does
PipelineThe Pipeline tool exposed by this server.
HAVINGThe HAVING tool exposed by this server.
RETURNINGThe RETURNING tool exposed by this server.
UNIONintersect and except intents are also supported in the same way.

How to install the Model Database Protocol MCP server

{
  "mcpServers": {
    "model-database-protocol": {
      "command": "uvx",
      "args": ["mdbp"],
      "env": {
        "DATABASE_URL": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
DATABASE_URLEndpoint or connection string the server talks to.Yes

Example prompts to try

  • Use Model Database Protocol to Pipeline.
  • Use Model Database Protocol to HAVING.
  • Use Model Database Protocol to RETURNING.

Frequently asked questions

It connects Model Database Protocol to MCP-compatible AI assistants such as Claude and Cursor, exposing 4 tools (Pipeline, HAVING, RETURNING, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Model Database Protocol directly.