InitializeParams

{
    "capabilities": {
        "experimentalApi": false,
        "extensions": {
            "property1": "string",
            "property2": "string"
        },
        "mcpServerOpenaiFormElicitation": true,
        "optOutNotificationMethods": [
            "string"
        ],
        "requestAttestation": false
    },
    "clientInfo": {
        "name": "string",
        "title": "string",
        "version": "string"
    }
}