from biocodices.annotation import Ensembl
from biocodices.annotation import DbSNP
from biocodices.annotation import MyVariantAnnotator
rs_list = ['rs21229385', 'rs21229338']
ensembl = Ensembl()
annotations = ensembl.annotate(rs_list)
dbsnp = DbSNP()
annotations = dbsnp.annotate(rs_list)
myvariant = MyVariantAnnotator()
annotations = myvariant.annotate(rs_list)
Clinvar annotator needs Clinvar IDs to query, so a useful move might involve annotating a list of rs IDs with dbsnp, Ensembl or MyVariant and checking if they have an associated Clinvar ID.
from biocodices.annotation import Clinvar
clinvar = Clinvar()
annotations = clinvar.annotate(clinvar_ids)