1.0.0 for 1.21.5 is a release file of the Minecraft mod I Have No Mouth But I Must Chat for Fabric, NeoForge, Quilt, made for Minecraft 1.21.5. It was published on May 4, 2025 and is 0.6 MB in size. For the full description, screenshots and every other version, visit the I Have No Mouth But I Must Chat mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.