https://modrinth.com/

https://modrinth.com/mod/item-placer/version/af3uOuUh OK

https://modrinth.com/mod/skeleton-horse-spawn OK

https://modrinth.com/mod/towns-and-towers/versions#all-versions OK

https://modrinth.com/mod/additional-structures

https://modrinth.com/datapack/katters-structures/version/1.10+mod