This tool retrieves all connection IDs from the Fivetran account by making a GET request
to the Fivetran API. It requires an authentication token stored in the auth_token variable.

Returns:
    str: A comma-separated string of all connection IDs in the account.

Note:
    The auth_token must be set before calling this function.
    The function does not handle exceptions that might occur during the API request.

Tool for syncing a fivetran connection by ID.

Parameters:
    id (str): id of the connection

This tool sends an invitation to a specified email address to join a Fivetran account.
It requires four parameters and returns the API response as a JSON object.

Parameters:
    email (str): Email address of the user to invite. Must be a valid email format.
    given_name (str): First name of the user. Cannot be empty.
    family_name (str): Last name of the user. Cannot be empty.
    phone (str): Phone number of the user. Should include country code (e.g., +1 for US).

Returns:
    Dict[Any, Any]: JSON response from the Fivetran API containing status and user information.

Example:
    invite_fivetran_user(
        email="user@example.com",
        given_name="John",
        family_name="Doe",
        phone="+15551234567"
    )

Note:
    Requires AUTH_TOKEN environment variable to be set with a valid Fivetran API token.