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Mylar3

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Automated comic book downloader and library manager

1.5k stars 142 forks last commit first released GPL-3.0

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No commits since 17 Aug 2025. Check the issue tracker before you rely on it.

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Mylar3 is a web-based automation tool for building and maintaining a comic book library. It monitors series you follow, searches for new issues via NZB and torrent sources, and then post-processes downloads into an organized collection.

Key Features

  • Series watchlists with monitoring for new issues and updated information
  • Integration with common NZB and torrent download clients, plus “blackhole” workflows
  • Automatic grabbing, sorting, and configurable file/folder renaming
  • Weekly pull-list browsing and monitoring, including viewing releases weeks ahead
  • Library scanning to find and download missing issues
  • Failed-download handling to retry with alternative releases
  • Issue metadata tagging (built on a modified ComicTagger) and series information export
  • Notifications for snatches/downloads via supported notification services
  • Story-arc tracking to help maintain reading order across series

Use Cases

  • Automatically keep up with ongoing comic series and new weekly releases
  • Repair and complete an existing library by detecting and fetching missing issues
  • Standardize naming, folder layout, and embedded metadata for reader apps and managers

Limitations and Considerations

  • Primarily focused on comic formats (CBR/CBZ); trade paperbacks/graphic novels are monitored with some workflow limitations
  • Requires working indexer/provider configuration and compatible download clients for best results

Mylar3 is well-suited for homelab and media-automation setups that want hands-off comic acquisition and consistent library organization. It combines release monitoring, download automation, and robust post-processing to help keep collections complete and tidy.

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