Minecraft Datapack tags not working (Traveler's Backpack mod, adding items to the accepted_tools tag)
I made it work with TConstruct tools. It is also my first datapack. Using the below video to download a program that makes editing datapacks easier, and my understanding of the structure, I was able to make my datapack.
I will leave you a link to the .rar on my Google Drive, so you can see what I did. I don't know how to explain it, and I probably added more files than what was needed, but it works.