If this Toolset is of interest to you, can be answered easily by yourself: Wished that you could just get the planned Fuel and Weights from your SimBrief OFP automatically by calling the GSX Services?
SBH automatically retrieves your current OFP during startup and populates various datarefs with OFP values (byte arrays). There is a ui to review data or force another download. Two "meta" datarefs ...