Cursor

Steps

1. Open Settings → Navigate to Settings → Cursor Settings → MCP
2. Click + Add new global MCP server
3. Paste:

{
  "mcpServers": {
    "customgpt-mcp-server": {
      "url": "https://mcp.customgpt.ai/projects/<PROJECT_ID>/sse?token=<TOKEN>"
    }
  }
}

4. Save, close settings.
5. Hit ⌘ K → “Ask Cursor” and include @customgpt-mcp-server or pick it in the drop-down. Autocomplete and explanations now consult your private docs.

Get the token from app.customgpt.ai -> Project -> Deploy -> MCP Server.