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You would have to ask the bot's creator or owner to implement that feature. Personally, I'm not sure if bots are even able to detect if someone is speaking in another language.
Since we can filter Pokemon by tier in the teambuilder, how about having one for items/berries as well? (E.G. items/berries allowed in OU, UU, etc.) It can also apply for clauses as well, such as the Endless Battle clause.