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

by Arjan ter Heegde · 528 views · created 2025-08-04 · File Management

What this workflow does

This workflow has 81 nodes and runs when an HTTP GET request hits its webhook URL (plus 3 other triggers). It uses only n8n's built-in nodes. It also calls apis.justwatch.com, 0.0.0.0:8181 and 0.0.0.0:5055 over HTTP.

How it runs

Trigger: When an HTTP GET request hits its webhook URL (plus 3 other triggers).

1. Call JustWatch API (HTTP Request): calls apis.justwatch.com (POST)
2. Call Trakt API (HTTP Request): calls an HTTP API
3. Merge: merges the data from its input branches
4. Switch: routes items into 3 branches
5. If: checks a condition and branches into true / false
6. Format JustWatch results (Code): runs custom JavaScript code
7. Format JustWatch results (Code): runs custom JavaScript code
8. Set fields for collection (Edit Fields (Set)): sets 3 fields: collectionId, objectType, data
9. If: checks a condition and branches into true / false
10. Radarr movie (HTTP Request): calls an HTTP API

…plus 67 more steps. See the full node list below.

HTTP calls to: apis.justwatch.com, 0.0.0.0:8181, 0.0.0.0:5055

Before you upgrade to n8n 3.0

Nodes used (12)

• Respond to Webhookn8n-nodes-base.respondToWebhook
• Coden8n-nodes-base.code
• HTTP Requestn8n-nodes-base.httpRequest
• Ifn8n-nodes-base.if
• Webhookn8n-nodes-base.webhook
• Switchn8n-nodes-base.switch
• SSHn8n-nodes-base.ssh
• Split Outn8n-nodes-base.splitOut
• Loop Over Items (Split in Batches)n8n-nodes-base.splitInBatches
• Mergen8n-nodes-base.merge
• Edit Fields (Set)n8n-nodes-base.set
• Waitn8n-nodes-base.wait

From the author

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…

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