MultiBlock API 1.0 (19w12b - 19w14a) is a release file of the Minecraft mod MultiBlock API, made for Minecraft 1.14-Snapshot. It was published on March 22, 2019 and is 0.3 MB in size. For the full description, screenshots and every other version, visit the MultiBlock API mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.