acquired package info from repodata DB: repodata/20e3d701abe6153959c07e23f649a942315c0a527c927d709ed6ce10bdf6aed0-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.