Convert vCard contacts to mutt format aliases.
pip install vcf2mutt
Hint: pip install --user vcf2mutt does not require root and installs to your home directory.
From a local file:
vcf2mutt ./contacts.vcf > ~/.aliases
From a remotely hosted contacts file (e.g. from radicale):
vcf2mutt https://USERNAME:PASSWORD@SERVER/.../contacts.vcf/ > ~/.aliases