We don't ever write anything to your profile. As explained in the link below, this is a standard GitHub permission.
PS your SSH keys are 100% public: https://api.github.com/users/mikexstudios/keys
Mike
Short answer: https://gitter.zendesk.com/hc/en-us/articles/200178961-Why-d...
Long answer: https://gitter.zendesk.com/hc/en-us/articles/200176672-Authe...