A simple mod to change the player's default max health via a config file.
Customizable Player Health
This mod lets you easily change the player's default max health using a config file.
It's a server-side mod, so it will affect all players who join, with no client-side installation required.
Features
How to Configure
customizable_player_health-common.toml file in your config folder.defaultMaxHealth = 20.0.