Arr MCP server
MCP server for *arr media suite - Sonarr, Radarr, Lidarr, Readarr, Prowlarr
220 stars503 downloads/wk
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If you have run it, two minutes of your experience saves the next person an afternoon.
Arr tools (18)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
arr_search_allSearch across all configured *arr services for any media
arr_statusGet status of all configured *arr services. Currently configured: …
lidarr_get_artistsGet all artists in Lidarr library
lidarr_get_queueGet Lidarr download queue
lidarr_searchSearch for artists to add to Lidarr
prowlarr_get_indexersGet all configured indexers in Prowlarr
prowlarr_searchSearch across all Prowlarr indexers
radarr_get_calendarGet upcoming movie releases from Radarr
radarr_get_moviesGet all movies in Radarr library
radarr_get_queueGet Radarr download queue
radarr_searchSearch for movies to add to Radarr
readarr_get_authorsGet all authors in Readarr library
readarr_get_queueGet Readarr download queue
readarr_searchSearch for authors to add to Readarr
sonarr_get_calendarGet upcoming TV episodes from Sonarr
sonarr_get_queueGet Sonarr download queue
sonarr_get_seriesGet all TV series in Sonarr library
sonarr_searchSearch for TV series to add to Sonarr
Public scan report
scanner v0.1.10 · 2026-10-01 · same rubric, same numbers if you re-run it
- Code scan5 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitystatic API keys via environment variables6/15
- Maintenancelast push 3 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
How Arr compares
Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 83/100
- higher than 65% of 48,255 servers
- Tools
- 18
- the typical server has 7
- Tools that change things
- 0%
- typical: 0%. Fewer write tools means less an agent can break
- GitHub stars
- 220
- more than 95% of 28,688 servers
- Downloads a week
- 503
- more than 88% of 12,191 servers with a package
What its tools let an agent do: 18 read
Install Arr in Claude Code, Cursor or VS Code
Runs npx -y mcp-arr-server on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add mcp-arr -- npx -y mcp-arr-server
What the publisher says
From the Arr repository's README, as published. We do not edit it. Read it on GitHub
MCP *arr Server
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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.
Why Use This?
- Unified media management - Control all your *arr applications from one interface
- Natural language queries - Ask about your library in plain English
- Cross-service search - Find content across TV, movies, and music simultaneously
- Download monitoring - Check queue status and progress across all services
- Calendar integration - See upcoming releases for all media types
- Configuration review - Get AI-powered suggestions for optimizing your setup
- Flexible configuration - Enable only the services you use
Features
Prerequisites
- Node.js 18+
- At least one *arr application running with API access:
- Sonarr for TV series
- Radarr for movies
- Lidarr for music
- Prowlarr for indexer management
Installation
Using npm (Recommended)
npx mcp-arr-serverRemote HTTP Mode
MCP_TRANSPORT=http PORT=3000 npx mcp-arr-serverBy default the remote server listens on 127.0.0.1:3000 and serves MCP on /mcp.
Environment variables for remote mode:
- MCP_TRANSPORT=http to enable remote Streamable HTTP transport
- HOST to override the bind host (default 127.0.0.1)
- PORT to override the port (default 3000)
- MCP_PATH to override the MCP endpoint path (default /mcp)
Docker
Prebuilt images are published to GitHub Container Registry on every release. You do not need to build anything:
docker pull ghcr.io/aplaceforallmystuff/mcp-arr:latestShortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Arr: common questions
- Is Arr MCP server safe?
- Mostly: it is graded B (83/100). Read the Arr safety report
- How do I install Arr?
- It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
- Does Arr need an API key?
- Yes. The registry entry asks for
SONARR_API_KEY,RADARR_API_KEY,LIDARR_API_KEY,READARR_API_KEYand 1 more. - Is Arr maintained?
- The last commit was 36 days ago (2026-09-28). The latest release is v1.0.0.
- How does Arr compare with other MCP servers?
- safety score 83/100 (higher than 65% of 48,255 servers); tools 18 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.