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MCP Mongodb

@nan-qin

Repository

Basic information

Category

Databases

Transports

stdio

Author

nan-qin

About MCP Mongodb

MCP Server

#mcp#mongodb#database#server

MCP Mongodb config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mongodb": {
      "command": "node",
      "args": [
        "E:\\project\\mongodb\\build\\index2.js"
      ],
      "env": {
        "MONGO_URI": "mongodb://localhost:27017/"
      },
      "disabled": false,
      "autoApprove": []
    }
  }
}

MCP Mongodb tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Mcp Mongodb?

Mcp Mongodb is an MCP server that enables interaction with MongoDB databases through the Model Context Protocol. It provides tools and resources for reading and writing data, executing aggregation pipelines, and performing multi‑collection queries. It is intended for developers who want to integrate MongoDB with AI‑powered MCP clients.

How to use Mcp Mongodb?

Configure the server by setting the MONGO_URI environment variable (e.g., mongodb://localhost:27017/). Launch the server with Node.js, then use MCP tools such as read_resource to read resources and multi_collection_query to perform aggregation queries across collections.

Key features of Mcp Mongodb

  • Supports read and write operations via resources and tools.
  • Enables multi‑collection aggregation using MongoDB’s $lookup.
  • Provides a clear separation between CallTool and ReadResource schemas.
  • Configurable connection URI via environment variable.
  • Built on Node.js for lightweight deployment.

Use cases of Mcp Mongodb

  • Querying documents from a MongoDB collection.
  • Performing complex aggregation pipelines that join multiple collections.
  • Reading database status or metadata as a resource.
  • Inserting, updating, or deleting data through tool calls.

Frequently asked questions

1

How do I configure the Mcp Mongodb server?

Set the `MONGO_URI` environment variable in the MCP server configuration to your MongoDB connection string. The example uses `mongodb://localhost:27017/`.

2

What tools and resources are available?

The server provides `read_resource` for reading resources (e.g., collection documents) and `multi_collection_query` for aggregation pipelines. The README distinguishes between `CallToolRequestSchema` (for active operations) and `ReadResourceRequestSchema` (for read‑only access).

3

What are the runtime requirements?

The server requires Node.js to run, as the command is `node` with a JavaScript entry point.

4

Can I perform multi‑table joins?

Yes. The server supports multi‑collection queries using MongoDB’s `$lookup` stage in an aggregation pipeline, as shown in the multi‑collection query example.

5

Is authentication handled?

The README does not specify authentication. The connection is defined solely by the `MONGO_URI` string, so any authentication must be included in that URI (e.g., `mongodb://user:pass@host`).

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