How to Connect MerchantSpring to ChatGPT (MCP Setup Guide)

Prerequisites

Before starting, make sure you have:

• A ChatGPT Plus plan

• Your MerchantSpring API keys

• Developer Mode enabled in ChatGPT (required for MCP). See 

Enable Developer Mode (Required)

Note: This applies to Personal Plus plans.

 1. In your browser, go to https://chatgpt.com/
 2. Go to Settings
 3. Navigate to Security and login → Developer mode
 3. Turn on Developer Mode

Steps to Connect MerchantSpring

Step 1: Open Plugins

• In the ChatGPT main chat screen > left menu > Go to Plugins
  
  

• Click the "+" icon to Add a new Plugin
  
  

Step 2. Fill out the following details:

• Icon (optional): Set a nice icon if you like

• Name: MerchantSpring (any descriptive name helps)

• Description: (optional)

• MCP Server url: https://mcp.merchantspring.io/mcp

• Authentication: Oauth

• Click "Create"
  
  

Step 3: Authenticate

• You’ll see the option to Sign in with MerchantSpring. Click this.
  
  

• You will be redirected to the MerchantSpring login page. Use your MerchantSpring account credentials to log in.
  
  

• Allow ChatGPT access to your MerchantSpring account
  
  

Step 4: Confirm Connection

Once successful:

• The connector will appear in your Plugins list

• MerchantSpring MCP is now enabled
  
  

Step 5: (Optional) Enable for Prompts

• You can manually select the connector when prompting ChatGPT

• In most cases, ChatGPT will automatically use it when relevant
  
  

If you don’t see it immediately, that’s okay—as long as the connection was successful.

Troubleshooting

If the connector doesn’t appear:

1. Refresh ChatGPT

2. Ensure Developer Mode is enabled

3. Ensure you have API keys in your MerchantSpring account

4. Try reconnecting the plugin

Tip

If you’re setting this up for the first time, just follow the steps above—no coding or file installation is required.