MessagePack Specification
Official docs outline
7 sections- Type system
Supported types and limitations.
- Formats overview
Format byte layout and family notation.
- Integer and float formats
Positive fixint, uint and int widths.
- String and binary formats
str, bin and length prefixes.
- Array and map formats
fixarray, array16/32 and map formats.
- Extension types
Application-defined extension types.
- Timestamp extension
Standard timestamp ext type -1.
Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.