Mutual friend asking boyfriend for too many favors, is this overeacting?

My boyfriend and I are friends with the same girl but I knew her first and longer. I don’t know their friendship but from what I’ve been told from both side they aren’t that close. They’ve hung out before him and I got together so I might can understand why she does this. When we started dating they became closer and she told someone she was only friends with friends because I was dating him. Every now and then she calls him and ask for favors and invites him out without me. It could be to a restaurant, her house, anywhere. Or she’ll ask if he can bring her food, change her tire or car battery. I don’t know why but his response most times is no or some excuse but he has done some of it. I don’t see a problem with it since they are friends but I just know if I was doing the same thing to her boyfriend she would not be okay with it. In fact, she doesn’t like me having communication with her boyfriends.

Updates
7 mo
*she was only friends with HIM
Mutual friend asking boyfriend for too many favors, is this overeacting?
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