Horse Spawn is a simple mod that spawns a saddled horse or other starter companions near the player when entering a world for the first time. It runs server sided with no need for players to install it.
There is also a config GUI for singleplayer use
Config GUI

Server Side JSON Config
horse-spawn.json
{
"enableSaddle": true,
"enableChest": true,
"giveLead": false,
"spawnInCreative": true,
"spawnOnce": true,
"overwriteStats": false,
"speed": 10.0,
"jump": 3.0,
"health": 20,
"spawnType": "HORSE",
"horseMarkings": "DEFAULT",
"horseVariant": "DEFAULT",
"armor": "NONE",
"llamaCarpet": "DEFAULT",
"llamaVariant": "DEFAULT",
"defaultName": true,
"customName": ""
}
Dependencies:
- Fabric API (Required)
- YACL, Mod Menu (Optional: Singleplayer Config GUI)