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Open-source tools & agent skills to build the things you’re paying for.

BorgBackup

Project13.8K

Build deduplicated, optionally encrypted backups; the supplied Borg 2 version is beta and not for production use.

Added 2026-10-07
Replaces
GitHub

What you can build

  • Build a runner that takes source paths and a schedule, creates a Borg archive for each selected path, and outputs a dated run log.
  • Build a converter that takes Borg’s displayed archive statistics and outputs dated CSV rows for archive name, file count, original size, and deduplicated size when reported.
  • Build a selector that takes a source group and configured repository URI, directs the archive to that repository, and records the chosen destination.
  • Build a recovery tool that takes paths selected from a mounted archive, copies available files to a separate folder, and reports copied and missing paths.
  • Build an inventory comparer that takes two mounted archive directories and outputs paths present in both, only in the older archive, or only in the newer one.

Try this prompt

Build an end-to-end recovery staging tool for Borg 2 testing. Take a mounted archive path, a user-selected list of files, and a separate destination folder; copy available files there and write a report listing copied and missing paths. Preserve the mounted archive and existing destination files; do not delete or overwrite data. Include input validation, clear errors, and setup instructions based on Borg’s official installation documentation. Treat this beta workflow as non-production.

Get started

  1. Install using the official guide

    Follow the installation manual linked from the README. Single-file binaries are listed for several platforms; other listed platforms need package or source installation, and some are experimental.

  2. Set up an isolated test repository

    Choose a repository location and encryption and key-location options. The README points to repository-creation help for options and documents BORG_REPO for selecting the repository.

  3. Back up test data only

    Use the README’s archive-creation workflow with non-production test data. It advises testing Borg 2 separately from production backups.

License & notes

BSD-3-ClauseBorg is licensed under BSD-3-Clause. Redistributed source must retain its copyright notice, conditions, and disclaimer; binary distributions must reproduce them. The authors’ names may not be used to endorse derived products without permission. No paid API or model component is documented. Backups require local compute, storage, and network; remote hosts or storage providers may charge. No prices are stated.

  • The supplied README identifies Borg 2 as beta and says not to use it for production backups.
  • The README warns of breaking changes between beta releases and says there is no beta-to-beta upgrade path; repositories may need deletion and recreation.
  • Some listed platforms are experimental or require package/source installation. Remote-agent performance gains require Borg on the repository server.

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