Medusa MCP Server

`medusa-mcp`

Overview

medusa-mcp is a Model Context Protocol (MCP) server designed for integration with the Medusa JavaScript SDK. It provides a scalable backend layer for managing and interacting with Medusa’s data models, enabling automation, orchestration, and intelligent service extensions.

🧩 What is an MCP Server?

An MCP server is a modular, extensible backend that:

Enables real-time service orchestration
Supports standardized, high-throughput communication
Acts as a bridge between AI/automation tools and real-world systems

These servers are used in areas like AI, IoT, and enterprise software to connect various services and automate tasks using standardized protocols like JSON-RPC.

🔑 Key Features

Modular Architecture – Composable services for flexibility
High Efficiency – Optimized for speed and scale
Extensible Design – Add new capabilities easily
Cross-Environment Deployment – Cloud, on-prem, or hybrid
AI-Ready Interfaces – Integrate LLMs and tools seamlessly

🧠 Role in AI Systems

MCP servers allow AI agents to:

Access real-time data from APIs, files, or databases
Automate business processes (e.g., order fulfillment, pricing updates)
Interact with external services in a secure and controlled way

🚀 Medusa JS + MCP

Using medusa-mcp, Medusa JS can:

Automate workflows (e.g., inventory or pricing adjustments)
Connect with external tools (email, analytics, etc.)
Use AI agents to analyze trends and trigger actions
Enable scalable, modular architecture for commerce platforms

✨ Features

✅ Model Context Protocol (MCP) support
📈 Scalable infrastructure
🧱 Extensible plugin architecture
🔗 Integrated with Medusa JS SDK

🛠️ Installation

Clone the repository and install dependencies:

npm install

Build the project:

npm run build

▶️ Usage

Start the server:

npm start

Test using the MCP Inspector:

npx @modelcontextprotocol/inspector ./dist/index.js

Note: Restart the Inspector and your browser after each rebuild.

🌍 Environment Variables

Variable	Description
`MEDUSA_BACKEND_URL`	Your Medusa backend URL
`PUBLISHABLE_KEY`	Your Medusa publishable API key
`MEDUSA_USERNAME`	Medusa admin username (for admin)
`MEDUSA_PASSWORD`	Medusa admin password (for admin)

Server runs at: http://localhost:3000

🧠 Architecture Diagram

Here's how the medusa-mcp server fits into a typical setup with Medusa JS and external systems:

       +-------------------------+
       |     AI Assistant /      |
       |     LLM / Automation    |
       +-----------+-------------+
                   |
                   v
    +--------------+--------------+
    |     MCP Server (medusa-mcp) |
    |-----------------------------|
    | - JSON-RPC Communication    |
    | - AI-Ready Interface        |
    | - Plugin Support            |
    +------+----------------------+
                   |                             
                   +
                   |                                                         
                   v                                                         
         +-------------------+
         | Medusa Backend    |
         | (Products, Orders)|
         +-------------------+
                   |
                   |
                   v
           +--------------+
           | Medusa Store |
           | Frontend     |
           +--------------+
                   |
                   |
                   v
      +-------------------------+
      | External Services / API |
      | (e.g., Payments, Email) |
      +-------------------------+

🧪 Customization

To tailor the server to your Medusa setup:

Replace admin.json and store.json with your own OAS definitions for fine-grained control.

Replace the OpenAPI schemas in the oas/ folder:
- admin.json – Admin endpoints
- store.json – Storefront endpoints

Use the @medusajs/medusa-oas-cli to regenerate these files.

You can also fork this project to build your own custom MCP-powered Medusa integration.

🤝 Contributing

We welcome contributions! Please see our CONTRIBUTING.md guide.

📄 License

This project is licensed under the MIT License. See the LICENSE file for details.

You must be authenticated.

security – no known vulnerabilities

license - permissive license

quality - confirmed to work

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Tools

View all tools

A Model Context Protocol server that provides a scalable backend solution for efficient interaction with Medusa's data models through the JavaScript SDK.

Related Resources

Reddit Discussion about this server

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