Adding Connector
Open Claude and go to Customize section in the side menu.
Open Connectors, click "Add" and pick "Browse connector".
Search for Seller Assistant and click "Connect to Claude" on it.
Allow access through your Seller Assistant account. Once you approve, the connector appears in your list and is ready to use.
If you prefer to add it by hand, or you do not see it in the directory:
In Connectors, click "Add" and pick "Add custom connector".
Enter a name and paste the MCP server URL below:
https://mcp.sellerassistant.app/mcp
Click "Continue" and configure OAuth authentication. The settings are configured automatically, but you can select the desired values.
Click "Add" and allow access through your Seller Assistant account. It will appear in the list once it has been successfully connected.
Using Connector
The connector is not active by default in every conversation. To use it, open a new chat, click the plus button next to the message box, open Connectors, and toggle Seller Assistant on before sending your first message.
The same menu has an "Add from Seller Assistant" list. It holds ready-made prompts for the most common tasks:
Analyze a supplier price list
Check product restrictions
Create a purchase order
Get account overview
Match ASINs to UPC/EAN
Review repricer performance
Click one and Claude puts the prompt into the message box. Add your own details – the ASIN, the supplier name, the file – and send it.
Type your request in natural language. Claude will call Seller Assistant in the background and return the result directly in the chat.
For a full list of things you can ask, see Prompts for Seller Assistant MCP article.
To connect the MCP Server to ChatGPT instead, see How to Connect MCP Server to ChatGPT.









