ChatGPT currently supports MCP connectors only with their web client.
Currently, MCP support in ChatGPT is in beta and is only supported by enabling Developer Mode in the ChatGPT web client. OpenAI has announced that this will emerge from beta in the next 1-2 months.
Steps:
Open ChatGPT settings
Enable developer mode: Go to Settings → Apps & Connectors → Advanced settings → Developer mode. Switch to on.
In the Settings → Apps & Connectors tab, next to Enabled apps & connectors, click the Create button**.**
Enter the following:
Kendall - <Your Store Name> ****e.g. Kendall - Maelove Store
Create a New Chat. When asking a question, click the + button, select More.. and then select the Kendall connector your created in step 4.

How are my new customer sales today versus yesterday?
Read the ChatGPT Developer Mode documentation on OpenAI’s website for helpful information on to utilize MCP in your prompts.