You can download Anvil Restoration on CurseForge and Modrinth:
  CurseForge:   https://curseforge.com/minecraft/mc-mods/anvil-restoration
  Modrinth:      https://modrinth.com/mod/anvil-restoration
To keep a better overview of all mods, the issue tracker is located in a separate repository.
  For issues, ideas, suggestions or anything else, please follow this link:
    -> Issue Tracker
Because of the way mod loader files are bundled into one jar, some extra information is needed to do a PR.
  A wiki page entry about it is available here:
    -> Pull Request Information
Requires the library mod Collective.
   This mod is part of The Vanilla Experience modpack and Serilum's RPG Bundle mod.
Anvil Restoration adds the ability to repair and damage placed anvils in the world. Right-clicking the anvil with an iron ingot will repair it one stage, saving you some iron to repair it before it breaks completely. This will consume the ingot.
Right-clicking it with obsidian will damage it one, until in its most damaged stage. It won't break the block. This will allow for extra design purposes without having to use lots of experience to damage it manually. The obsidian will not be consumed.
Repairing an anvil:
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Damaging an anvil:
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You may freely use this mod in any modpack, as long as the download remains hosted within the CurseForge or Modrinth ecosystem.
Serilum.com contains an overview and more information on all mods available.
Comments are disabled as I'm unable to keep track of all the separate pages on each mod.
For issues, ideas, suggestions or anything else there is the Github repo. Thanks!