# MCP Arr (MCP server) > 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 222 GitHub stars, is released under the MIT license and runs locally with npx -y mcp-arr-server. 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. ## Key facts | Fact | Value | |---|---| | Repository | https://github.com/aplaceforallmystuff/mcp-arr | | GitHub stars | 222 | | License | MIT | | Language | JavaScript | | Transport | stdio | | Packages | npm: mcp-arr-server | | Remote URL | none | | Needs API key | yes | | Official | no | | Works with | Claude Desktop, Claude Code, Cursor, VS Code | | Category | Other | | Latest release | v1.7.3 (Jul 29, 2026) | | Last commit | Aug 9, 2026 | | MCP registry name | io.github.aplaceforallmystuff/mcp-arr | ## Install ### Claude Desktop (claude_desktop_config.json) ```json { "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 ```sh 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-server ``` ### Cursor (.cursor/mcp.json) ```json { "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 (.vscode/mcp.json) ```json { "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 2026-10-07. ## Environment variables - `SONARR_URL`: Sonarr server URL - `SONARR_API_KEY` (secret): Sonarr API key - `RADARR_URL`: Radarr server URL - `RADARR_API_KEY` (secret): Radarr API key - `LIDARR_URL`: Lidarr server URL - `LIDARR_API_KEY` (secret): Lidarr API key - `READARR_URL`: Readarr server URL - `READARR_API_KEY` (secret): Readarr API key - `PROWLARR_URL`: Prowlarr server URL - `PROWLARR_API_KEY` (secret): Prowlarr API key ## Tools - `arr_status`: Get connection status for all configured *arr services - `arr_search_all`: Search across all configured services simultaneously - `search`: Generic discovery tool for remote MCP clients such as ChatGPT - `fetch`: Generic detail-fetch tool for items returned by search - `sonarr_get_series`: List all TV series in your library - `sonarr_search`: Search for TV series by name (returns tvdbId for adding) - `sonarr_add_series`: Add a TV series to Sonarr (supports tags) - `sonarr_get_root_folders`: Get available root folders for adding series - `sonarr_get_quality_profiles`: Get available quality profiles for adding series - `sonarr_get_queue`: View current download queue with limit and offset pagination - `sonarr_get_calendar`: See upcoming episodes - `sonarr_get_episodes`: List episodes for a series (shows missing vs available) - `sonarr_search_missing`: Trigger search for all missing episodes in a series - `sonarr_search_episode`: Trigger search for specific episode(s) - `sonarr_refresh_series`: Trigger a metadata refresh for a specific series in Sonarr - `radarr_get_movies`: List all movies in your library - `radarr_search`: Search for movies by name (returns tmdbId for adding) - `radarr_add_movie`: Add a movie to Radarr (supports tags) - `radarr_get_root_folders`: Get available root folders for adding movies - `radarr_get_quality_profiles`: Get available quality profiles for adding movies - `radarr_get_queue`: View current download queue with limit and offset pagination - `radarr_get_calendar`: See upcoming releases - `radarr_search_movie`: Trigger search to download a movie in your library - `radarr_search_movies`: Bulk-trigger searches for multiple movie IDs at once - `radarr_update_movie`: Update a movie's quality profile, monitored status, minimum availability, tags, or path - `radarr_delete_queue_item`: Remove an item from the download queue (optionally blocklist the release) - `radarr_refresh_movie`: Trigger a metadata refresh for a specific movie in Radarr - `lidarr_get_artists`: List all artists in your library - `lidarr_search`: Search for artists by name (returns foreignArtistId for adding) - `lidarr_add_artist`: Add an artist to Lidarr (supports tags) - `lidarr_get_root_folders`: Get available root folders for adding artists - `lidarr_get_quality_profiles`: Get available quality profiles for adding artists - `lidarr_get_metadata_profiles`: Get available metadata profiles for adding artists - `lidarr_get_queue`: View current download queue with limit and offset pagination - `lidarr_get_albums`: List albums for an artist (shows missing vs available) - `lidarr_search_album`: Trigger search for a specific album - `lidarr_search_missing`: Trigger search for all missing albums for an artist - `lidarr_get_calendar`: See upcoming album releases - `prowlarr_get_indexers`: List all configured indexers - `prowlarr_search`: Search across all indexers ## Similar MCP servers - [Reactive Resume](https://appsgit.com/mcp-servers/reactive-resume): A one-of-a-kind resume builder that keeps your privacy in mind. 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