Bandcamp Archiver

I’ve been buying music on Bandcamp for years. Over that time sometimes I’ve remembered to download what I purchased, and other times I haven’t. I wanted to be able to inventory what I have and then look at Bandcamp and download what is missing. There are already fine tools for downloading a Bandcamp collection: bandsnatch and the bandcamp-collection-downloader both fetch the lot, in parallel, in the format you want. But they know only what they downloaded, and what I needed to know was what I was missing. So I worked with Claude Code on bandcamp-archiver, which reads the embedded tags off my disk, compares that inventory against my Bandcamp purchases, and downloads the difference one album at a time. The inventory is just a documented JSON (or CSV) file, so the scan can run on the machine where the music lives and the downloading can happen somewhere else. bandcamp-archiver plan reports and downloads nothing, which is the part I use most. I wanted to understand well what was, and was…