nodejs-mcp-mongodb

nodejs-mcp-mongodb

MCP server that exposes MongoDB business data via tools for summary statistics, new users, and pending payments.

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README

nodejs-mcp-mongodb

Simple MCP (Model Context Protocol) server built with Node.js, TypeScript, the official MCP SDK, and MongoDB.

Features

This server provides three MCP tools:

  1. get_business_summary

    • Returns:
      • total users
      • active users
      • paid users
      • pending payments
      • new users (last 7 days)

  2. get_new_users

    • Input:
      • days (number)
    • Returns users created during the given period.

  3. get_pending_payments

    • Returns all customers with pending payments.

Project Structure

  • src/index.ts - MCP server and tool handlers
  • src/config/env.ts - environment loading
  • src/db/mongo.ts - MongoDB connection helper
  • src/services/users.ts - MongoDB queries for tool responses
  • seed/seed.ts - sample MongoDB seed script
  • .env.example - required environment variables

Setup

  1. Install dependencies:
npm install
  1. Create your env file:
cp .env.example .env
  1. Update .env values:
MONGODB_URI=mongodb://localhost:27017
MONGODB_DB_NAME=mcp_business
  1. Seed sample data:
npm run seed
  1. Build the server:
npm run build
  1. Run the MCP server over stdio:
npm start

Development

Run directly with TypeScript:

npm run dev

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