Legacy Fabric API is the core library for the most common hooks and inter compatibility measures utilized by mods using the Legacy Fabric toolchain
More information and full installation instructions can be found on the Legacy Fabric website and support can be found on the Legacy Fabric discord server.
This is SEPARATE from the Fabric loader! You need both for most mods!
Join our discord server for help: https://discord.gg/yBTpRXe
Join us on #legacyfabric on irc.esper.net