| Multiple Instances | Sync any number of Sonarr and Radarr instances, filtered by name or service type. |
| Docker | Official image that runs a server with a built-in sync schedule for unattended operation. |
| Kubernetes | Official Helm chart that runs the server in a cluster with persistent sync state. |
| HTTP API | Start syncs and query results from your own scripts and tools. |
| Templates | Create configs from pre-built templates or compose them with reusable YAML includes. |
| Secrets & Variables | Store API keys with !secret and inject environment variables with !env_var. |
| Preview Mode | Dry-run sync and delete operations to see what would change before applying. |
| Notifications | Get sync results via Apprise (Discord, Slack, email, and many more) with configurable verbosity. |
| Monitoring | Health probes for Docker and Kubernetes, Prometheus metrics, JSON console logs for log collectors, and OpenTelemetry export. |
| Settings | Global settings for SSL validation, log retention, and notifications. |