what does the mod player api do?

Player Api 1.12 2 - Colaboratory

Player API Mod 1.16.2/1.14.4/1.12.2/1.7.10 - Wminecraft.net

Player API Mod (1.20.4 - 1.19.4 - 1.18.2) for Minecraft

Player API Mod for Minecraft 1.18.2/1.18/1.17.1

player_api - Mod Names - ContentDB

Statues Classic - Minecraft Mod

I made a Minecraft mod that adds Herobrine to Minecraft in the way the legend intended. : r/PhoenixSC

Mod] Simple_Dialogs for Minetest entities [simple_dialogs] - Minetest Forums

Whenever I run my CurseForge modpack I get this warning screen. If I proceed to go into a single player world a few of these mods still appear to work despite this

Hummingbird (bee) Minecraft Texture Pack