msgpack
What is a .msgpack file?
application/x-msgpack
MessagePack (.msgpack) is a compact binary serialization format — like JSON but smaller and faster — that encodes maps, arrays, strings, numbers, and binary blobs in a self-describing byte stream. It is popular for caching, IPC, and network protocols.
How to use a .msgpack file
Use an example .msgpack file to test MessagePack decoders and MessagePack-to-JSON converters, or to verify binary round-trips.