MCP Arr
MCP Arr is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. MCP server for *arr media suite - Sonarr, Radarr, Lidarr, Readarr, Prowlarr. It has 234 GitHub stars, is released under the MIT license and runs locally with npx -y mcp-arr-server.
github.com/aplaceforallmystuff/mcp-arr (opens in a new tab)
Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error
Install MCP Arr
Generated from the server's MCP registry entry. Replace your-value with your own values.
Claude Desktop
{
"mcpServers": {
"mcp-arr": {
"command": "npx",
"args": [
"-y",
"mcp-arr-server"
],
"env": {
"SONARR_API_KEY": "your-value",
"RADARR_API_KEY": "your-value",
"LIDARR_API_KEY": "your-value",
"READARR_API_KEY": "your-value",
"PROWLARR_API_KEY": "your-value"
}
}
}
}Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.
Claude Code
claude mcp add --env SONARR_API_KEY=your-value --env RADARR_API_KEY=your-value --env LIDARR_API_KEY=your-value --env READARR_API_KEY=your-value --env PROWLARR_API_KEY=your-value --transport stdio mcp-arr -- npx -y mcp-arr-serverCursor
{
"mcpServers": {
"mcp-arr": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-arr-server"
],
"env": {
"SONARR_API_KEY": "your-value",
"RADARR_API_KEY": "your-value",
"LIDARR_API_KEY": "your-value",
"READARR_API_KEY": "your-value",
"PROWLARR_API_KEY": "your-value"
}
}
}
}Project file; use ~/.cursor/mcp.json to enable it in every project.
VS Code
{
"inputs": [
{
"type": "promptString",
"id": "sonarr_api_key",
"description": "SONARR_API_KEY",
"password": true
},
{
"type": "promptString",
"id": "radarr_api_key",
"description": "RADARR_API_KEY",
"password": true
},
{
"type": "promptString",
"id": "lidarr_api_key",
"description": "LIDARR_API_KEY",
"password": true
},
{
"type": "promptString",
"id": "readarr_api_key",
"description": "READARR_API_KEY",
"password": true
},
{
"type": "promptString",
"id": "prowlarr_api_key",
"description": "PROWLARR_API_KEY",
"password": true
}
],
"servers": {
"mcp-arr": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-arr-server"
],
"env": {
"SONARR_API_KEY": "${input:sonarr_api_key}",
"RADARR_API_KEY": "${input:radarr_api_key}",
"LIDARR_API_KEY": "${input:lidarr_api_key}",
"READARR_API_KEY": "${input:readarr_api_key}",
"PROWLARR_API_KEY": "${input:prowlarr_api_key}"
}
}
}
}Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).
Environment variables
Variables the server reads at startup.
| Name | Required | Description |
|---|---|---|
SONARR_URL | No | Sonarr server URL |
SONARR_API_KEYsecret | No | Sonarr API key |
RADARR_URL | No | Radarr server URL |
RADARR_API_KEYsecret | No | Radarr API key |
LIDARR_URL | No | Lidarr server URL |
LIDARR_API_KEYsecret | No | Lidarr API key |
READARR_URL | No | Readarr server URL |
READARR_API_KEYsecret | No | Readarr API key |
PROWLARR_URL | No | Prowlarr server URL |
PROWLARR_API_KEYsecret | No | Prowlarr API key |
Tools (40)
Parsed from the Tools section of the README; check the repository for the current list.
arr_statusGet connection status for all configured *arr services
arr_search_allSearch across all configured services simultaneously
searchGeneric discovery tool for remote MCP clients such as ChatGPT
fetchGeneric detail-fetch tool for items returned by search
sonarr_get_seriesList all TV series in your library
sonarr_searchSearch for TV series by name (returns tvdbId for adding)
sonarr_add_seriesAdd a TV series to Sonarr (supports tags)
sonarr_get_root_foldersGet available root folders for adding series
sonarr_get_quality_profilesGet available quality profiles for adding series
sonarr_get_queueView current download queue with limit and offset pagination
sonarr_get_calendarSee upcoming episodes
sonarr_get_episodesList episodes for a series (shows missing vs available)
sonarr_search_missingTrigger search for all missing episodes in a series
sonarr_search_episodeTrigger search for specific episode(s)
sonarr_refresh_seriesTrigger a metadata refresh for a specific series in Sonarr
radarr_get_moviesList all movies in your library
radarr_searchSearch for movies by name (returns tmdbId for adding)
radarr_add_movieAdd a movie to Radarr (supports tags)
radarr_get_root_foldersGet available root folders for adding movies
radarr_get_quality_profilesGet available quality profiles for adding movies
radarr_get_queueView current download queue with limit and offset pagination
radarr_get_calendarSee upcoming releases
radarr_search_movieTrigger search to download a movie in your library
radarr_search_moviesBulk-trigger searches for multiple movie IDs at once
radarr_update_movieUpdate a movie's quality profile, monitored status, minimum availability, tags, or path
radarr_delete_queue_itemRemove an item from the download queue (optionally blocklist the release)
radarr_refresh_movieTrigger a metadata refresh for a specific movie in Radarr
lidarr_get_artistsList all artists in your library
lidarr_searchSearch for artists by name (returns foreignArtistId for adding)
lidarr_add_artistAdd an artist to Lidarr (supports tags)
lidarr_get_root_foldersGet available root folders for adding artists
lidarr_get_quality_profilesGet available quality profiles for adding artists
lidarr_get_metadata_profilesGet available metadata profiles for adding artists
lidarr_get_queueView current download queue with limit and offset pagination
lidarr_get_albumsList albums for an artist (shows missing vs available)
lidarr_search_albumTrigger search for a specific album
lidarr_search_missingTrigger search for all missing albums for an artist
lidarr_get_calendarSee upcoming album releases
prowlarr_get_indexersList all configured indexers
prowlarr_searchSearch across all indexers
About MCP Arr
MCP server for the *arr media management suite - Sonarr, Radarr, Lidarr, and Prowlarr. Supports both local stdio mode for Claude/Codex-style clients and remote HTTP mode for hosted MCP clients such as ChatGPT connectors.
- claude
- home-automation
- mcp
- mcp-server
- media-management
- model-context-protocol
- radarr
- sonarr
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How do I install the MCP Arr MCP server?
Add the command npx -y mcp-arr-server to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.
Is MCP Arr free?
The server is open source under the MIT license, so running it is free. It needs credentials (SONARR_API_KEY, RADARR_API_KEY, LIDARR_API_KEY, READARR_API_KEY and PROWLARR_API_KEY) for the service it connects to, which may require a paid account.
Is MCP Arr actively maintained?
The most recent commit was on Oct 15, 2026. The latest release is v1.7.3, published Jul 29, 2026. appsgit only lists MCP servers with a commit in the last six months.