Acid Armor(boosts your defense by 2), Agility(boosts your speed by 2), Amnesia(boosts your special by 2), Barrier(boosts your defense by 2), Defense Curl(boosts your defense by 1), Double Team(raises your evasion by 1), Growth(boosts your special by 1), Harden(boosts your defense by 1), Withdraw(boosts your defense by 1), Meditate(boosts your attack by 1), Minimize(boosts your evasion by 1), Sharpen(boosts your attack by 1), and Swords Dance(boosts your attack by 2) are all the boosting moves in Gen 1.
Source: https://bulbapedia.bulbagarden.net/wiki/Status_move
I hope I've helped!