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Use Arcade in ChatGPT

To use Arcade’s hosted gateway and skills, install the Arcade agent plugin. This guide connects ChatGPT to a gateway you configure.

This page is for developers who connect ChatGPT on the web to an Arcade MCP Gateway.

Outcomes

Connect ChatGPT to an Arcade Gateway.

Prerequisites

  1. Create an Arcade
  2. Create an Arcade MCP Gateway and select the you want to use
  3. Set the gateway’s authorization to Arcade Auth or a User Source

Production end with their own identities? If your end users already sign in to Entra ID, Okta, Auth0, Clerk, or another OIDC provider, configure a User Source on your gateway. Arcade redirects each end user to your identity provider on sign-in and identifies them by an OIDC subject claim.

ChatGPT adds a remote server from Plugins. Workspace permissions still apply, including who can create plugins that use . See Add a custom MCP server .

Add the gateway

  1. Open ChatGPT on the web  and go to Plugins.

  2. Select the plus button, then Add custom server.

  3. Enter a name and, if you want, a description.

  4. Under Connection, enter your Gateway URL:

    TEXT
    https://api.arcade.dev/mcp/<YOUR-GATEWAY-SLUG>

    If you self-host the , use your Engine hostname in place of api.arcade.dev.

  5. Set authentication to OAuth so ChatGPT runs the gateway’s browser sign-in.

  6. Review the risk warning and select I understand and want to continue.

  7. Select Create as a plugin.

Install and sign in

Find the plugin in your personal plugins, or in the workspace where you created it. Select Install plugin. Start a new chat, type @, and select the plugin. Sign in to Arcade in the browser when ChatGPT asks.

Try it out

Ask ChatGPT to use a from the gateway. Name the plugin in the request when several apps could apply.

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