Honestly if it’s really bad I’d let them know before an interview. Just say something like. I have social anxiety. It doesn’t interfere with my work in any way

Honestly if it’s really bad I’d let them know before an interview. Just say something like. I have social anxiety. It doesn’t interfere with my work in any way but I’m wondering if you could accommodate me in the interview by doing x y z. It’s worth a try, right? I’ve thought about doing that.