Are any quest which reward is top B weapon recipe, or A weapon recipes?
Only the TOI quest give A grade armor gloves, helmet, boots recipes?

For B grade weapon recipes u can do 2 type of quests :
I Influx of Machines (lvl 46+) available only in C5+
II Seductive Whispers (lvl 50+) available only in IL+

For A grade weapon recipes u can make Kail's Magic Coin(55+) but be4 u can acces this quest u need to be Coin Collector Memerbship LvL 1(Coins of Magic) and become a Royal Member.

For A grade helm recipes and DC/Tallum boots recipes u can spoil coogars/buffalos and kookaburas in Beast Farm after u train them to 2x/3x/4x hp.