MCP server for *arr media suite - Sonarr, Radarr, Lidarr, Readarr, Prowlarr
To add mcp-arr to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 10 environment variables, listed below.
Install
npx -y mcp-arr-server@1.0.0Environment variables
SONARR_URLSet in your MCP configSONARR_API_KEYSet in your MCP configRADARR_URLSet in your MCP configRADARR_API_KEYSet in your MCP configLIDARR_URLSet in your MCP configLIDARR_API_KEYSet in your MCP configREADARR_URLSet in your MCP configREADARR_API_KEYSet in your MCP configPROWLARR_URLSet in your MCP configPROWLARR_API_KEYSet in your MCP configInstall with your client
claude mcp add mcp-arr --env SONARR_URL=<YOUR_SONARR_URL> --env SONARR_API_KEY=<YOUR_SONARR_API_KEY> --env RADARR_URL=<YOUR_RADARR_URL> --env RADARR_API_KEY=<YOUR_RADARR_API_KEY> --env LIDARR_URL=<YOUR_LIDARR_URL> --env LIDARR_API_KEY=<YOUR_LIDARR_API_KEY> --env READARR_URL=<YOUR_READARR_URL> --env READARR_API_KEY=<YOUR_READARR_API_KEY> --env PROWLARR_URL=<YOUR_PROWLARR_URL> --env PROWLARR_API_KEY=<YOUR_PROWLARR_API_KEY> -- npx -y mcp-arr-server@1.0.0
Run this in a terminal to add the server to Claude Code.
What this does
mcp-arr exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
SONARR_URL SONARR_API_KEY RADARR_URL RADARR_API_KEY LIDARR_URL LIDARR_API_KEY READARR_URL READARR_API_KEY PROWLARR_URL PROWLARR_API_KEY
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install mcp-arr?
Run the Claude Code command in the install section to add mcp-arr to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with mcp-arr?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to mcp-arr as well.
Does mcp-arr need an API key?
Yes. Before it can run, set these environment variables: SONARR_URL, SONARR_API_KEY, RADARR_URL, RADARR_API_KEY, LIDARR_URL, LIDARR_API_KEY, READARR_URL, READARR_API_KEY, PROWLARR_URL, PROWLARR_API_KEY. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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