An item available for everyone to use.
Disposable anvils and forge chache
Like a campfire, you can stack a few [say 10 rather than 20].
Lasts for a few minutes and then disapears.
small Chance to fail to open.
small Chance for the anvil to fall on your foot and/or the forge to explode [slow effect and/or small amount of fire damage] upon opening.
or we could just have disposable anvils.