This is a simple mod that offers command:
TPA, TPHERE, TPACCEPT, and TPADENY
In 1.16.5, You should Kotlin For Forge for front.
Link: https://www.curseforge.com/minecraft/mc-mods/kotlin-for-forge
In 1.7.10, You should Legacy MC Kotlin for front.
Link: https://www.curseforge.com/minecraft/mc-mods/legacy-mc-kotlin