There are currently two buffs you can gain to boost your Harvest Chat experience. You can check your current buffs with the /buffs
command.
Eating crafted or purchased Food both refills your Energy as well as provided an Energy Restoration buff for 15 minutes. Instead of replenishing 1 Energy every minute, while this buff is active, you replenish 2 Energy every minute.
Luck affects almost every chance-based element in Harvest Chat, from triggering Bonus Harvests to finding a golden egg. There are currently three ways to increase your Luck:
Outside of a Community Blessing, the maximum Luck you can have is 30—15 from Four-Leaf Clovers and 15 from the Goddess.