Dynamic media library with on-demand downloads for Radarr/Sonarr and Plex

n8n Placeholdarr for Plex (BETA)

This flow creates dummy files for every item added in your Arrs (Radarr/Sonarr) with the tag unprocessed-dummy.

It’s useful for maintaining a large Plex library without needing the actual movies or shows to be present on your Debrid provider.

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How It Works - When a dummy file is played, the corresponding item is automatically monitored in Arr and added to the download queue. - This ensures that the content becomes available within ~3 minutes for playback. - If the content finishes downloading while the dummy is still being played, Tautulli triggers a webhook that stops the stream and notifies the user.

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Requirements

- Each n8n node must have the correct URL and authorization headers configured. - The SSH host (used to create dummy files) must have FFmpeg installed. - A Trakt.TV API key is required if you're using Trakt collections.