acquired package info from repodata DB: repodata/60ea82253c2bf8471f2066e9299f2564f8940a0905f4bd052f796da897408437-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.