Yarr MCP

Yarr MCP is a local MCP server: Rust MCP and CLI server for Sonarr, Radarr, Prowlarr, Plex, Jellyfin, and download clients. Install it from npm as yarr-mcp.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add yarr-mcp -e YARR_SONARR_URL=... -e YARR_SONARR_API_KEY=... -e YARR_RADARR_URL=... -e YARR_RADARR_API_KEY=... -e YARR_PLEX_URL=... -e YARR_PLEX_TOKEN=... -e YARR_VERSION=... -e YARR_REPO=... -e YARR_RELEASE_BASE_URL=... -e RUST_LOG=... -- npx -y yarr-mcp

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

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

{
  "mcpServers": {
    "yarr-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "yarr-mcp"
      ],
      "env": {
        "YARR_SONARR_URL": "...",
        "YARR_SONARR_API_KEY": "...",
        "YARR_RADARR_URL": "...",
        "YARR_RADARR_API_KEY": "...",
        "YARR_PLEX_URL": "...",
        "YARR_PLEX_TOKEN": "...",
        "YARR_VERSION": "...",
        "YARR_REPO": "...",
        "YARR_RELEASE_BASE_URL": "...",
        "RUST_LOG": "..."
      }
    }
  }
}

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: YARR_SONARR_URL, YARR_SONARR_API_KEY, YARR_RADARR_URL, YARR_RADARR_API_KEY, YARR_PLEX_URL, YARR_PLEX_TOKEN, YARR_VERSION, YARR_REPO, YARR_RELEASE_BASE_URL, RUST_LOG