Our previous work revealed that many-body interactions were responsible for the assembly of quasi-1D structures like serpentine strings and tri-branched networks from polymergrafted NPs trapped at fluid-fluid interfaces. However, the full potential of many-body interactions in producing such novel assembly architectures at interfaces has not been fully explored. The many-body potential developed here could be extended to interfacial environments and coupled with analytical forms of NP-interface interactions to uncover anisotropic assembly configurations at fluid interfaces. Although we examined a single species of polymer-grafted spherical NPs so far, it would be worthwhile to apply our ML approach to derive many-body interactions for binary or higher-component NP systems (differing in size and/or polymer grafting), as well as shaped NPs, where many-body effects may be even more prominent.