Connect OpenBrain to ChatGPT

OpenAI’s ChatGPT adds MCP and custom connector support on a rolling basis across desktop, mobile, and team plans. The exact menus change; use OpenAI’s help center for the latest names (“connectors,” “apps,” or “MCP”).

Before you start

• Create your account and API key
• Your OpenBrain must be reachable over HTTPS from the public internet (localhost-only URLs will not work from ChatGPT’s servers)

Typical setup (when MCP is available)

1. Open ChatGPT Settings.
2. Find Connectors, Apps, or Beta features and enable MCP if it is off.
3. Add a custom connector or MCP server:
   • Endpoint / URL: https://YOUR_OPENBRAIN_HOST/mcp
   • Auth: Bearer token — paste the API key from the OpenBrain dashboard
   • Headers (if supported): X-Organization-Id: YOUR_ORG_UUID
4. Turn the OpenBrain connector on for a new chat.
5. Test: “Use OpenBrain to search for anything about our project” or “run openbrain health.”

If you do not see MCP settings

ChatGPT may not expose MCP on your account yet. Options:

• Use Claude Desktop or another app from Other MCP apps that already supports MCP.
• Integrate via the REST API from software you control (developers).

Security

• Treat the API key like a password; revoke it in the dashboard if shared accidentally.
• Prefer team/workspace policies that restrict which connectors members may install.

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