BoxHarbor guides
What changes when HCP Vagrant goes away, and how to keep your boxes, by hand, with tools you already have.
How to export every version of a Vagrant box from HCP Vagrant and host it yourself
A tested bash script that downloads every version, provider and architecture of a box from HCP Vagrant (Vagrant Cloud), computes sha256 checksums and writes the metadata.json Vagrant needs to keep versions working from S3, R2 or any web server.
HCP Vagrant shuts down: where to move your Vagrant boxes, and what each option keeps
HCP Vagrant Registry (formerly Vagrant Cloud) stops on 31 December 2026. A comparison of the ways to keep hosting boxes: static metadata.json on S3 or GitLab, Artifactory, or a registry that speaks the Vagrant Cloud API.