FlowTagger is an open source client-side Fabric mod for Minecraft 1.21.9 – 1.21.11 that allows you to customize nametags, tab, & chat of players to display various playerdata from flowpvp.gg

The only network activity the mod does is send read-only GET requests to flowpvp.gg/api/ranked/ to fetch json data of user statistics like their rank

UI

Tag

Tab

Chat