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How to connect Commerce Layer MCP with ChatGPT Work

Connect ChatGPT Work to Commerce Layer MCP. List open orders created in last day, create refund for order 12345 now, and more using natural language, with authentication handled for you.

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Commerce Layer is a headless commerce platform with transactional APIs for orders, inventory, pricing, customers, and fulfillment. Use it to centralize ecommerce operations and surface real-time commerce data.

10 Tools

How to connect Commerce Layer MCP with ChatGPT Work

ChatGPT Work is an agent inside ChatGPT built for your most ambitious work. It takes action across your apps and files, stays with a project for hours, and turns a goal into finished materials like sheets, slides, and docs - not just answers.

In this guide, I will explain the easiest and most secure way to connect your Commerce Layer account to ChatGPT Work via Composio Connect, so it can create orders, update your inventory, adjust prices and promotions, manage customers, and track shipments through natural language commands without ever putting your account credentials at risk.

Also integrate Commerce Layer with

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Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Commerce Layer integration lets ChatGPT Work take actions like creating drafts, sending updates, labeling records, and more.
  • 1,000+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
  • Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand.
  • Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation.

Prerequisites

  • A ChatGPT account with access to ChatGPT Work (rolling out across Pro, Enterprise, Edu, Plus, and Business plans). We will use the ChatGPT desktop app, which is available on every plan.
  • Access to the Commerce Layer workspace you want to connect.
  • Composio MCP.

Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account.

Step-by-step: Connect Commerce Layer to ChatGPT Work

1. Open the MCP settings

In ChatGPT Work, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab.

ChatGPT Work settings showing the Plugins page with the MCP tab selected

2. Add the server

Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT Work Add server dialog with the name Composio, type Streamable HTTP, and the Composio MCP URL

Then click Save. The Composio server now appears in your MCP plugins list.

ChatGPT Work Plugins page showing the Composio MCP server added to the list

3. Authenticate

Click Authenticate, log in via Composio, and click Allow access to authorize ChatGPT Work to use your Composio account.

Composio login and Allow access screen for ChatGPT Work MCP setup

4. Start using Composio

That is it - Composio tools are now available in ChatGPT Work. Ask it to work with your Commerce Layer account and it will run the actions you authorize.

What you can do after connecting Commerce Layer

  • List open orders created in last day
  • Create refund for order 12345 now
  • Update inventory levels for SKU 5678

Security + privacy notes (important)

  • Use least-privilege access: Only grant permissions you actually need.
  • Review OAuth permissions before approving: Make sure requested scopes match what you expect Composio and ChatGPT Work to do.
  • Keep write actions human-reviewed: For actions like sending messages, creating labels, or editing drafts, keep manual confirmation enabled.
  • Be careful with sensitive data: Avoid using this setup with highly sensitive information unless allowed by your personal, company, or client policies.
TOOLS

Supported Tools

Every Commerce Layer action and event your agent gets out of the box.

Create Customer

Create one Commerce Layer customer from an email and optional external-reference metadata.

Delete Customer

Permanently delete one Commerce Layer customer by exact ID.

Get Customer

Retrieve one customer by its Commerce Layer resource ID.

Get Order

Retrieve one Commerce Layer order by ID, optionally including customer, line-item, shipment, or return context.

Get Order Metric

Compute one common order KPI over optional date, market, currency, and status filters using the Commerce Layer Metrics API.

List Customers

Return one page of customers, optionally filtered by an exact email address.

List Orders

Return one page of orders, newest first by default, for operational review and follow-up by order ID.

List SKUs

Return one page of catalog SKUs for product discovery and ID lookup.

List Stock Items

Return one page of stock items with inventory quantities and SKU codes.

Update Customer

Update selected attributes of one Commerce Layer customer.

FRAMEWORKS

How to build Commerce Layer MCP Agent with another framework

Claude Cowork logo

Claude Cowork

Use Commerce Layer MCP with Claude Cowork

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Hermes

Use Commerce Layer MCP with Hermes

FAQ

Frequently asked questions

With a standalone Commerce Layer MCP server, the agents and LLMs can only access a fixed set of Commerce Layer tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Commerce Layer and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. ChatGPT Work fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Commerce Layer tools.

Yes, absolutely. You can configure which Commerce Layer scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Commerce Layer data and credentials are handled as safely as possible.

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