acquired package info from repodata DB: repodata/1b484c8eb5b8229fba6b5a5b11fe895b7104760061a10c49a7af41194c2b52a2-primary.sqlite.bz2
MessagePack, a binary-based efficient data interchange format
MessagePack is a binary-based efficient object serialization library. It enables to exchange structured objects between many languages like JSON. But unlike JSON, it is very fast and small.