librarian-filter-fabric-1.21.1-1.0.1.jar is a release file of the Minecraft mod Villager Trade Reroll for Fabric, made for Minecraft 1.21.1. It was published on October 12, 2026 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Villager Trade Reroll mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.