MCP Arr runs on your own machine — the client starts it, so there is no endpoint to ping. 1 330 installs a week from npm. Last commit 15 Oct 2026.
MCP server for *arr media suite - Sonarr, Radarr, Lidarr, Readarr, Prowlarr
Today is the operative word: we check MCP Arr every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp-arr -- npx -y mcp-arr-server
{
"mcpServers": {
"mcp-arr": {
"command": "npx",
"args": [
"-y",
"mcp-arr-server"
]
}
}
}
[mcp_servers.mcp-arr]
command = "npx"
args = ["-y", "mcp-arr-server"]
{
"mcpServers": {
"mcp-arr": {
"command": "npx",
"args": [
"-y",
"mcp-arr-server"
]
}
}
}
{
"servers": {
"mcp-arr": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-arr-server"
]
}
}
}
Optional settings from the registry entry, left out of the block above:
SONARR_URL (Sonarr server URL), SONARR_API_KEY (Sonarr API key), RADARR_URL (Radarr server URL), RADARR_API_KEY (Radarr API key), LIDARR_URL (Lidarr server URL), LIDARR_API_KEY (Lidarr API key), READARR_URL (Readarr server URL), READARR_API_KEY (Readarr API key), PROWLARR_URL (Prowlarr server URL), PROWLARR_API_KEY (Prowlarr API key).
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Answers built from our own checks of this server.