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<h1>Lidarr Documentation</h1>
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<div class="alert alert-info" style="margin: 20px 0; padding: 15px; background: rgba(13, 202, 240, 0.1); border-left: 4px solid #0dcaf0;">
<strong><i class="fas fa-info-circle" style="margin-right: 8px;"></i>What is Lidarr?</strong>
Lidarr is an automated music downloading and management application. It monitors for new albums, searches indexers, and automatically downloads music using your preferred download clients.
</div>
<p>Lidarr automates the process of monitoring and downloading music. It integrates with popular download clients and uses indexers to search for and download albums automatically, making it easy to build and maintain an organized music library.</p>
<h2 id="overview">Overview</h2>
<h3><i class="fas fa-download" style="margin-right: 10px; color: #3498db;"></i>What Lidarr Does</h3>
<p>Lidarr provides automated content management for music by:</p>
<ul>
<li><strong>Automatic Searching:</strong> Monitors for new albums and searches configured indexers</li>
<li><strong>Quality Management:</strong> Downloads content based on your quality preferences (MP3, FLAC, etc.)</li>
<li><strong>Library Organization:</strong> Automatically organizes downloaded music in your media library</li>
<li><strong>Upgrade Management:</strong> Can upgrade existing music to better quality when available</li>
<li><strong>Download Client Integration:</strong> Works with popular download clients like qBittorrent, Deluge, etc.</li>
</ul>
<h3><i class="fas fa-cogs" style="margin-right: 10px; color: #e67e22;"></i>How Huntarr Enhances Lidarr</h3>
<p>Huntarr adds intelligent automation on top of Lidarr:</p>
<ul>
<li><strong>Smart Search Timing:</strong> Prevents overwhelming indexers with too many requests</li>
<li><strong>Missing Album Detection:</strong> Identifies and prioritizes missing albums and tracks</li>
<li><strong>Upgrade Intelligence:</strong> Finds better quality versions of existing music</li>
<li><strong>Rate Limiting:</strong> Respects API limits to prevent bans or throttling</li>
<li><strong>Multi-Instance Support:</strong> Manage multiple Lidarr instances from one interface</li>
</ul>
<h2 id="connection-settings">Instance Configuration</h2>
<p>Configure your Lidarr instances to connect Huntarr with your Lidarr installation(s).</p>
<h3>Adding Your Lidarr Instance</h3>
<p>To connect your existing Lidarr instance to Huntarr:</p>
<ol>
<li>Navigate to the Lidarr section in Huntarr</li>
<li>Click "Add Lidarr Instance" if you don't have one configured</li>
<li>Fill in your Lidarr connection details</li>
<li>Test the connection to ensure Huntarr can communicate with Lidarr</li>
</ol>
<h3 id="connection-settings">Connection Settings</h3>
<p>Configure these settings to connect Huntarr to your Lidarr instance:</p>
<table>
<tr>
<th>Setting</th>
<th>Description</th>
<th>Example</th>
<th>Notes</th>
</tr>
<tr>
<td>Name</td>
<td>Friendly name for this Lidarr instance</td>
<td>Default, Music-FLAC, Podcasts</td>
<td>Useful when running multiple Lidarr instances</td>
</tr>
<tr>
<td>URL</td>
<td>Base URL for your Lidarr instance</td>
<td>http://10.0.0.10:8686</td>
<td>Include protocol (http/https) and port</td>
</tr>
<tr>
<td>API Key</td>
<td>Lidarr API key for authentication</td>
<td>c15f98d8403e6df5b7c9a86e4f2b580</td>
<td>Found in Lidarr Settings > General > Security</td>
</tr>
<tr>
<td>Enabled</td>
<td>Whether Huntarr should process this instance</td>
<td>On/Off toggle</td>
<td>Disable to temporarily stop processing</td>
</tr>
</table>
<h2 id="search-settings">Search Settings</h2>
<p>Configure how Huntarr searches for missing music and upgrades in your Lidarr instance. These settings control Huntarr's behavior when processing your music library.</p>
<h3 id="missing-search-mode"><i class="fas fa-search" style="margin-right: 10px; color: #2ecc71;"></i>Missing Search Mode</h3>
<p>Determines how Huntarr searches for missing music:</p>
<ul>
<li><strong>Albums:</strong> Searches for complete albums. Recommended for most music collections</li>
<li><strong>Tracks:</strong> Searches for individual tracks. Useful for compilation albums or singles</li>
<li><strong>Artists:</strong> Searches at the artist level for discographies</li>
</ul>
<h3 id="upgrade-mode"><i class="fas fa-arrow-up" style="margin-right: 10px; color: #2ecc71;"></i>Upgrade Mode</h3>
<p>Controls how Huntarr handles quality upgrades:</p>
<ul>
<li><strong>Albums:</strong> Upgrades entire albums when better quality becomes available</li>
<li><strong>Tracks:</strong> Upgrades individual tracks for better quality</li>
<li><strong>Artists:</strong> Upgrades at the artist level for consistent quality across discography</li>
</ul>
<h3 id="upgrade-selection-method"><i class="fas fa-list-check" style="margin-right: 10px; color: #2ecc71;"></i>Upgrade Selection Method</h3>
<p>You can choose how Huntarr selects which artists to consider for upgrades:</p>
<ul>
<li><strong>Cutoff unmet (default):</strong> Uses Lidarr's <strong>Wanted → Cutoff Unmet</strong> list. Only albums that don't meet your quality/custom-format cutoff are eligible. Same behavior as before.</li>
<li><strong>Tags (Upgradinatorr-style):</strong> Huntarr finds artists that <strong>DON'T</strong> have your specified tag (e.g. <code>upgradinatorr</code>), searches their albums for upgrades, then <strong>ADDS</strong> the tag to the artist after processing to mark them as complete. This matches <a href="https://github.com/angrycuban13/Just-A-Bunch-Of-Starr-Scripts/blob/main/Upgradinatorr/README.md" target="_blank" rel="noopener">Upgradinatorr's</a> behavior: the tag tracks which artists have already been processed, not which ones to search. The tag is automatically created in Lidarr if it doesn't exist.</li>
</ul>
<p>In both cases, Huntarr triggers <strong>AlbumSearch</strong> for the selected albums; Lidarr still decides what to grab based on your quality profile and custom format scores.</p>
<div class="alert alert-success">
<strong>💡 Tip:</strong> See <a href="https://trash-guides.info/" target="_blank" rel="noopener">TrashGuides</a> for comprehensive custom format scoring guides and best practices for quality upgrades.
</div>
<h4 id="upgrade-mode-comparison"><i class="fas fa-balance-scale" style="margin-right: 10px; color: #9b59b6;"></i>Cutoff Unmet vs Tags: Which Should I Use?</h4>
<p>Understanding the difference between these two modes will help you choose the right approach for your library:</p>
<table>
<tr>
<th>Feature</th>
<th>Cutoff Unmet (Huntarr Standard)</th>
<th>Tags (Upgradinatorr-style)</th>
</tr>
<tr>
<td><strong>How It Works</strong></td>
<td>Queries Lidarr's <code>Wanted → Cutoff Unmet</code> list every cycle</td>
<td>Searches albums by artists WITHOUT the tag, then ADDS tag to artist after processing</td>
</tr>
<tr>
<td><strong>Re-processing</strong></td>
<td>Same albums appear in every cycle until they meet cutoff</td>
<td>Once tagged, artist's albums are NEVER searched again (unless you manually remove tag)</td>
</tr>
<tr>
<td><strong>Best For</strong></td>
<td>Dynamic quality targets - continuously searching until perfect quality is found</td>
<td>One-time library upgrade - systematically process entire library once</td>
</tr>
<tr>
<td><strong>Indexer Impact</strong></td>
<td>Higher - searches same albums repeatedly if upgrades not found</td>
<td>Lower - each artist's albums searched once, then marked complete</td>
</tr>
<tr>
<td><strong>Progress Tracking</strong></td>
<td>Based on cutoff status - albums drop off list when upgraded</td>
<td>Visual tags in Lidarr UI - see which artists have been processed</td>
</tr>
<tr>
<td><strong>Use Case Example</strong></td>
<td>"Keep searching until every album reaches my quality target"</td>
<td>"I just set up TRaSH guides - process my entire 1000 artist library once"</td>
</tr>
<tr>
<td><strong>Stops When</strong></td>
<td>Albums meet quality cutoff or custom format score threshold</td>
<td>Tag is applied to artist (regardless of whether upgrades were found)</td>
</tr>
</table>
<div class="alert alert-info">
<strong>📊 Example Scenario:</strong><br>
<strong>Cutoff Unmet:</strong> You have 200 albums below cutoff from 50 artists. Huntarr searches 5 albums per cycle, finds upgrades for 3. Next cycle, those 3 are gone (met cutoff), but the other 2 appear again along with 3 new ones from the remaining 195. This continues until all 200 meet cutoff or no more upgrades exist.<br><br>
<strong>Tags:</strong> You have 1000 artists with no <code>upgradinatorr</code> tag. Huntarr searches 5 albums per cycle (from different artists), tags those artists after processing (whether upgrades found or not). Next cycle searches albums from 5 different artists. Eventually all 1000 artists have been processed once and tagged - done forever.
</div>
<div class="alert alert-warning">
<strong>⚠️ Important:</strong> With <strong>Tags mode</strong>, artists are marked as "processed" even if no upgrades were found for their albums. If you want to re-process artists later (e.g., after adding new indexers), you must manually remove the tag in Lidarr.
</div>
<h3 id="custom-format-scores"><i class="fas fa-star" style="margin-right: 10px; color: #f1c40f;"></i>Custom Format Scores & Quality Upgrades</h3>
<div class="alert alert-info">
<strong>📋 Lidarr Configuration Required:</strong>
<ul style="margin-bottom: 0;">
<li><strong>Lidarr → Settings → Profiles → Quality Profile → Upgrade Until Custom Format Score</strong></li>
<li>Set <strong>Upgrade Until Custom Format Score</strong> to at least <code>10000</code></li>
</ul>
</div>
<h4>Why Custom Format Scores Matter</h4>
<p><strong>Huntarr does not decide what to upgrade—Lidarr does.</strong> When Huntarr triggers a search for upgrades, Lidarr evaluates the search results using your configured quality profile and custom format scores to determine whether a release is an upgrade worth grabbing.</p>
<p><strong>Key Points:</strong></p>
<ul>
<li><strong>Quality Cutoff:</strong> The minimum quality level you're willing to accept (e.g., MP3-320, FLAC)</li>
<li><strong>Custom Formats:</strong> Additional scoring criteria beyond basic quality (e.g., preferred release groups, audio codec preferences, edition types)</li>
<li><strong>Upgrade Until Custom Format Score:</strong> The score threshold at which Lidarr stops considering upgrades. Setting this to 10000 (or higher) ensures Lidarr will continue upgrading as long as better-scoring releases are found</li>
</ul>
<p><strong>How It Works:</strong></p>
<ol>
<li>Huntarr identifies albums eligible for upgrade (based on your chosen upgrade selection method)</li>
<li>Huntarr triggers an <strong>AlbumSearch</strong> command in Lidarr</li>
<li>Lidarr searches indexers and scores each result using your quality profile + custom formats</li>
<li>Lidarr automatically grabs releases that score higher than your current file (up to your "Upgrade Until" threshold)</li>
<li>Without proper custom format scoring configured, Lidarr may not grab upgrades even when better releases are available</li>
</ol>
<div class="alert alert-success">
<strong>💡 Tip:</strong> See <a href="https://trash-guides.info/" target="_blank" rel="noopener">TrashGuides</a> for comprehensive custom format scoring guides, recommended release group scores, and best practices for quality upgrades in Lidarr.
</div>
<h3 id="search-limits"><i class="fas fa-sliders-h" style="margin-right: 10px; color: #f39c12;"></i>Search Limits</h3>
<p>Control how many items Huntarr processes per cycle to avoid overwhelming your indexers:</p>
<table>
<tr>
<th>Setting</th>
<th>Description</th>
<th>Recommended</th>
<th>Notes</th>
</tr>
<tr>
<td>Missing Search</td>
<td>Number of missing albums/tracks to search per cycle</td>
<td>2-4</td>
<td>Set to 0 to disable missing searches</td>
</tr>
<tr>
<td>Upgrade Search</td>
<td>Number of items to upgrade per cycle</td>
<td>1-2</td>
<td>Set to 0 to disable upgrade searches</td>
</tr>
<tr>
<td>Sleep Duration</td>
<td>Time in seconds between processing cycles</td>
<td>1800 (30 min)</td>
<td>Music indexers often have stricter limits</td>
</tr>
<tr>
<td>API Cap - Hourly</td>
<td>Maximum API requests per hour</td>
<td>200 or less</td>
<td>Music indexers typically have lower limits</td>
</tr>
</table>
<div class="alert alert-warning">
<strong>Important:</strong> Music indexers often have stricter rate limits than movie/TV indexers. Use conservative settings to avoid being banned.
</div>
<h3 id="additional-options"><i class="fas fa-cogs" style="margin-right: 10px; color: #9b59b6;"></i>Additional Options</h3>
<p>Fine-tune Huntarr's behavior with these additional settings:</p>
<h4 id="monitored-only"><i class="fas fa-eye" style="margin-right: 8px; color: #2ecc71;"></i>Monitored Only</h4>
<p>When enabled, Huntarr will only search for music that is marked as "Monitored" in Lidarr. This prevents searches for artists or albums you've intentionally unmonitored.</p>
<h4 id="skip-future-releases"><i class="fas fa-calendar" style="margin-right: 8px; color: #e74c3c;"></i>Skip Future Releases</h4>
<p>When enabled, Huntarr will skip albums with future release dates. This prevents unnecessary searches for content that hasn't been released yet.</p>
<h4><i class="fas fa-music" style="margin-right: 8px; color: #f39c12;"></i>Quality Profiles</h4>
<p>Respects Lidarr's quality profile settings. Huntarr will only search for music that meets your configured quality requirements (MP3, FLAC, etc.).</p>
<h4><i class="fas fa-microphone" style="margin-right: 8px; color: #9b59b6;"></i>Artist Monitoring</h4>
<p>When enabled, Huntarr will respect your artist monitoring settings in Lidarr, only searching for albums from artists you're actively monitoring.</p>
<h2 id="swaparr-integration">Swaparr Integration</h2>
<p>Enable Swaparr monitoring for this Lidarr instance to automatically clean up stalled downloads.</p>
<div class="alert alert-info" style="margin: 15px 0; padding: 15px; background: rgba(13, 202, 240, 0.1); border-left: 4px solid #0dcaf0;">
<strong><i class="fas fa-info-circle" style="margin-right: 8px;"></i>What is Swaparr?</strong>
Swaparr monitors your download queues and automatically removes stalled, failed, or problematic downloads to keep your automation running smoothly.
<a href="swaparr.html" style="color: #0dcaf0;">Learn more about Swaparr configuration</a>.
</div>
<h3><i class="fas fa-broom" style="margin-right: 8px; color: #e67e22;"></i>When to Enable Swaparr</h3>
<ul>
<li>You frequently have stalled music downloads</li>
<li>Your download queue gets clogged with failed album downloads</li>
<li>You want hands-off automation for your music library</li>
<li>You use public trackers where quality varies</li>
<li>You download large album collections that sometimes fail</li>
</ul>
<h3><i class="fas fa-exclamation-triangle" style="margin-right: 8px; color: #f39c12;"></i>When to Be Cautious</h3>
<ul>
<li>You use private music trackers with strict ratio requirements</li>
<li>You prefer manual control over your music downloads</li>
<li>You have very slow internet where downloads take a long time</li>
<li>You're building ratio on specific music torrents</li>
<li>You collect rare or hard-to-find music that shouldn't be removed</li>
</ul>
<h2 id="troubleshooting">Troubleshooting</h2>
<h3>Common Issues</h3>
<h4>Connection Failed</h4>
<p>If Huntarr can't connect to your Lidarr instance:</p>
<ul>
<li>Verify the URL is correct and includes the protocol (http/https)</li>
<li>Check that the port number is correct (default: 8686)</li>
<li>Ensure the API key is copied correctly from Lidarr Settings > General > Security</li>
<li>Confirm Lidarr is running and accessible from Huntarr's network</li>
<li>Check firewall settings if Huntarr and Lidarr are on different machines</li>
</ul>
<h4>No Missing Music Found</h4>
<p>If Huntarr reports no missing music but you know there are gaps:</p>
<ul>
<li>Ensure "Monitored Only" is configured correctly for your needs</li>
<li>Check that artists and albums are marked as "Monitored" in Lidarr</li>
<li>Verify "Skip Future Releases" isn't preventing searches for available content</li>
<li>Review your quality profile settings in both Lidarr and Huntarr</li>
</ul>
<h4>Music Indexer Rate Limiting</h4>
<p>If you're getting rate limited by music indexers:</p>
<ul>
<li>Reduce the "API Cap - Hourly" setting significantly (try 100-200)</li>
<li>Increase the "Sleep Duration" to 30+ minutes between cycles</li>
<li>Lower the "Missing Search" and "Upgrade Search" limits to 1-2</li>
<li>Music indexers are typically more restrictive than movie/TV indexers</li>
</ul>
<h4>Metadata Issues</h4>
<p>If Huntarr isn't finding the right music:</p>
<ul>
<li>Verify your metadata provider settings in Lidarr (MusicBrainz, etc.)</li>
<li>Check that album and artist names are correctly matched</li>
<li>Review release group settings for proper album identification</li>
<li>Consider adjusting search criteria for international releases</li>
</ul>
<h4>Quality and Format Issues</h4>
<p>If Huntarr isn't finding the right audio quality:</p>
<ul>
<li>Verify your quality profiles support the formats you want (FLAC, MP3, etc.)</li>
<li>Check that your indexers have the quality levels you're seeking</li>
<li>Review cutoff settings to ensure upgrades are allowed</li>
<li>Consider separate instances for different quality requirements</li>
</ul>
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