The intro paragraph to the wikipedia article about MBTI is nothing but citations about how bad it is.

Aside from that, the standard sources of psuedoscience woo debunking all have long articles

https://rationalwiki.org/wiki/Myers-Briggs_Type_Indicator https://skeptoid.com/episodes/4221

and finally https://www.spectator.co.uk/2018/09/the-personality-test-tha... has a brief bio on Katharine Cook Briggs