ChatGPT Custom MCP App

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ChatGPT supports remote MCP connectors via Developer Mode using Managed OAuth.

Prerequisites

• ChatGPT Plus, Team, or Enterprise subscription with Developer Mode enabled.
• Cloudflare Access SSO account (GitHub/Google) authorized for the Cloud Harness instance.

Setup Instructions

1. In ChatGPT, navigate to Settings (or Workspace Settings) → Apps → Create Custom App.
2. Set the Server URL to:

   https://harness.zuey.me/mcp

3. Select OAuth as the authentication method.
4. Click Connect & Authorize. A browser popup will direct you to Cloudflare Access login.
5. Complete Google or GitHub authentication.
6. Once authorized, ChatGPT will scan and register the 52 Cloud Harness MCP tools.

Cloud Connection Note

ChatGPT communicates directly from OpenAI infrastructure to https://harness.zuey.me/mcp. No local port-forwarding or reverse tunnel is required.