pycarddav
Simple to Use CardDAV CLI Client
pyCardDAV is a simple to use CardDAV CLI client. It has built in support for mutt's query_command but also works very well solo. pyCardDAV consists of pycardsyncer, a program for syncing your CardDAV resource into a local database and of pc_query, a program for querying the local database.
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Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.