mcp-arr

mcp-arr is a local MCP server: MCP server for arr media suite - Sonarr, Radarr, Lidarr, Readarr, Prowlarr. Install it from npm as mcp-arr-server.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add mcp-arr -e SONARR_URL=... -e SONARR_API_KEY=... -e RADARR_URL=... -e RADARR_API_KEY=... -e LIDARR_URL=... -e LIDARR_API_KEY=... -e READARR_URL=... -e READARR_API_KEY=... -e PROWLARR_URL=... -e PROWLARR_API_KEY=... -- npx -y mcp-arr-server

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "mcp-arr": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-arr-server"
      ],
      "env": {
        "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": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

• Runtime: Node.js 18+ (runs with npx).
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
• 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