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Connect ChatGPT Desktop to Sphinx so you can use Sphinx tools in your chats.

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Prerequisites

Before you begin, make sure you have:
  • The latest version of ChatGPT Desktop
  • A Sphinx account with access to a workspace

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Add the Sphinx MCP server

1

Open Settings

In ChatGPT Desktop, open the account menu in the bottom-left corner and click Settings.
ChatGPT Desktop account menu with the Settings option highlighted

Open Settings from the ChatGPT Desktop account menu

2

Open Plugins

In the Settings sidebar, click Plugins.
ChatGPT Desktop Settings with Plugins highlighted in the sidebar

Open the Plugins settings page

3

Add an MCP server

Click Add, then select Add MCP server.
ChatGPT Desktop Plugins page with Add MCP server selected in the Add menu

Add a custom MCP server from the Plugins page

4

Configure the Sphinx MCP server

Complete the form with the following values:Leave the remaining fields blank, then click Save.
Custom MCP server form configured with the Sphinx name, Streamable HTTP type, and Sphinx MCP URL

Configure the Sphinx MCP server connection

5

Authenticate with Sphinx

Open the MCPs tab on the Plugins page, find sphinx, and click Authenticate. ChatGPT opens the Sphinx authorization page in your browser.
MCPs tab on the ChatGPT Desktop Plugins page showing the Authenticate button for sphinx

Authenticate the Sphinx MCP server

6

Allow access to your workspace

On the authorization page, select the Sphinx workspace you want to connect, then click Allow access.
Sphinx authorization page with a workspace selector and Allow access button

Authorize ChatGPT Desktop to access a Sphinx workspace

The Sphinx MCP server is now connected and ready to use in ChatGPT Desktop.