Capacitarr is an open-source, self-hosted tool designed for intelligent media library management, particularly for users managing collections with arr stack services and media servers. The platform addresses the challenge of efficiently scoring, evaluating, and cleaning up large media libraries by providing automated, data-driven workflows that help users maintain control over their storage and content.
The tool features a real-time dashboard that offers an overview of media library capacity across all disk groups. Capacitarr employs a smart scoring system that evaluates media items across multiple dimensions, including age, file size, popularity, and watch history, with every score being transparent and fully explainable. Users can build sophisticated, cascading rule chains with customizable conditions, weights, and thresholds, enabling complex and flexible cleanup policies. Safety is emphasized through features such as preview mode, an approval queue, dry-run capability, safety guards, and a comprehensive audit trail, ensuring that no content is deleted unintentionally.
Capacitarr integrates natively with eleven services: Sonarr, Radarr, Lidarr, Readarr, Plex, Jellyfin, Emby, Tautulli, Jellystat, Tracearr, and Seerr. This allows users to pull data from various arr applications, media servers, and request managers into a unified view. Real-time updates are pushed to the browser using server-sent events, keeping users instantly informed about engine state, deletions, and activity across 67 typed event types, without the need for polling.
Deployment is facilitated through a Docker-native, single-container setup with zero external dependencies, supporting any platform and architecture. Users connect Capacitarr to their existing services using API keys and URLs, configure rules to match their preferred management philosophy, and review detailed scoring and cleanup previews before taking action. 0 license with a contributor license agreement. It is built with Go, Nuxt 4, and SQLite, and is maintained by Ghent Starshadow. The tool is positioned for the self-hosted community seeking automated, transparent, and safe media library management.
In the Other dev tools space, Capacitarr takes a focused approach. It focuses on automating the scoring, evaluation, and cleanup of large media libraries integrated with *arr and media server apps. Capacitarr is an open-source project aimed at self-hosted media server administrators. The project is open source (Open Source). It runs on the command line, and it can be self-hosted.
Behind Capacitarr is Ghent, and the product first shipped in 2026. The project is developed in the open on GitHub with 74 stars and 152 commits in the last 90 days. Across PulseGate's embedding index, Capacitarr has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are media scoring, library cleanup, and service integrations.
Latest indexed changes and source events
capacitarr.app discovered by the PulseGate indexer
Other apps tracked under the same category.
