diff --git a/src/cli/mod.rs b/src/cli/mod.rs
index 6091e3e..667cd4b 100644
--- a/src/cli/mod.rs
+++ b/src/cli/mod.rs
@@ -96,6 +96,26 @@ pub struct RunArgs {
     /// Exit on code 8 instead of applying updates
     #[arg(long)]
     pub no_restart: bool,
+
+    /// Acknowledge that loading early plugins is unsupported
+    #[arg(long)]
+    pub accept_early_plugins: bool,
+
+    /// Allow op commands
+    #[arg(long)]
+    pub allow_op: bool,
+
+    /// Enable automatic backups
+    #[arg(long)]
+    pub backup: bool,
+
+    /// Backup directory
+    #[arg(long)]
+    pub backup_dir: Option<PathBuf>,
+
+    /// Backup frequency in minutes
+    #[arg(long)]
+    pub backup_frequency: Option<u16>,
 }
 
 #[derive(Parser, Debug)]
diff --git a/src/cli/run.rs b/src/cli/run.rs
index 96b848d..74b1e7d 100644
--- a/src/cli/run.rs
+++ b/src/cli/run.rs
@@ -98,6 +98,7 @@ async fn ensure_server_files(server_dir: &Path, jar_path: &Path, config: &AppCon
 }
 
 /// Run the server with auto-update loop
+#[allow(clippy::too_many_arguments)]
 async fn run_server_loop(
     args: &RunArgs,
     config: &AppConfig,
@@ -157,6 +158,27 @@ async fn run_server_loop(
             config.defaults.ip.clone()
         };
 
+        // Determine accept_early_plugins (CLI overrides config)
+        let accept_early_plugins =
+            args.accept_early_plugins || config.defaults.accept_early_plugins;
+
+        // Determine allow_op (CLI overrides config)
+        let allow_op = args.allow_op || config.defaults.allow_op;
+
+        // Determine backup settings
+        let backup_enabled = args.backup || config.defaults.backup.enabled;
+        let backup_dir: Option<PathBuf> =
+            args.backup_dir
+                .clone()
+                .or(config.defaults.backup.path.clone());
+        let backup_frequency = args.backup_frequency.or_else(|| {
+            if config.defaults.backup.frequency != 0 {
+                Some(config.defaults.backup.frequency)
+            } else {
+                None
+            }
+        });
+
         // Run the server
         let exit_code = runner
             .run(
@@ -167,6 +189,11 @@ async fn run_server_loop(
                 &ip,
                 &assets_path,
                 args.jvm_args.as_deref(),
+                accept_early_plugins,
+                allow_op,
+                backup_enabled,
+                backup_dir.as_ref(),
+                backup_frequency,
             )
             .await?;
 
diff --git a/src/config/app_config.rs b/src/config/app_config.rs
index 2d20e7a..c0187fd 100644
--- a/src/config/app_config.rs
+++ b/src/config/app_config.rs
@@ -33,6 +33,9 @@ pub struct DefaultsConfig {
     pub port: u16,
     pub ip: String,
     pub aot_enabled: bool,
+    pub accept_early_plugins: bool,
+    pub allow_op: bool,
+    pub backup: BackupConfig,
 }
 
 impl Default for DefaultsConfig {
@@ -43,6 +46,9 @@ impl Default for DefaultsConfig {
             port: 5520,
             ip: "0.0.0.0".to_string(),
             aot_enabled: true,
+            accept_early_plugins: false,
+            allow_op: false,
+            backup: BackupConfig::default(),
         }
     }
 }
@@ -88,6 +94,15 @@ pub struct UpdateConfig {
     pub auto_apply: bool,
 }
 
+/// Backup configuration
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+#[serde(default)]
+pub struct BackupConfig {
+    pub enabled: bool,
+    pub path: Option<PathBuf>,
+    pub frequency: u16,
+}
+
 impl Default for UpdateConfig {
     fn default() -> Self {
         Self {
@@ -175,6 +190,32 @@ fn merge_configs(base: AppConfig, overlay: AppConfig) -> AppConfig {
             } else {
                 base.defaults.ip
             },
+            accept_early_plugins: if overlay.defaults.accept_early_plugins
+                != DefaultsConfig::default().accept_early_plugins
+            {
+                overlay.defaults.accept_early_plugins
+            } else {
+                base.defaults.accept_early_plugins
+            },
+            allow_op: if overlay.defaults.allow_op != DefaultsConfig::default().allow_op {
+                overlay.defaults.allow_op
+            } else {
+                base.defaults.allow_op
+            },
+            backup: BackupConfig {
+                enabled: overlay.defaults.backup.enabled || base.defaults.backup.enabled,
+                path: overlay
+                    .defaults
+                    .backup
+                    .path
+                    .clone()
+                    .or(base.defaults.backup.path.clone()),
+                frequency: if overlay.defaults.backup.frequency != 0 {
+                    overlay.defaults.backup.frequency
+                } else {
+                    base.defaults.backup.frequency
+                },
+            },
             aot_enabled: overlay.defaults.aot_enabled,
         },
         java: JavaConfig {
diff --git a/src/server/runner.rs b/src/server/runner.rs
index 9c25ffa..997f973 100644
--- a/src/server/runner.rs
+++ b/src/server/runner.rs
@@ -45,6 +45,11 @@ impl ServerRunner {
         ip: &str,
         assets_path: &PathBuf,
         jvm_args: Option<&str>,
+        accept_early_plugins: bool,
+        allow_op: bool,
+        backup_enabled: bool,
+        backup_dir: Option<&PathBuf>,
+        backup_frequency: Option<u16>,
     ) -> Result<i32> {
         if !self.jar_path.exists() {
             anyhow::bail!("HytaleServer.jar not found at {}", self.jar_path.display());
@@ -84,6 +89,27 @@ impl ServerRunner {
         cmd.arg("--assets").arg(assets_path);
         cmd.arg("--bind").arg(format!("{}:{}", ip, port));
 
+        // Early plugins acceptance
+        if accept_early_plugins {
+            cmd.arg("--accept-early-plugins");
+        }
+
+        // Allow op
+        if allow_op {
+            cmd.arg("--allow-op");
+        }
+
+        // Backup settings
+        if backup_enabled {
+            cmd.arg("--backup");
+            if let Some(dir) = backup_dir {
+                cmd.arg("--backup-dir").arg(dir);
+            }
+            if let Some(freq) = backup_frequency {
+                cmd.arg("--backup-frequency").arg(freq.to_string());
+            }
+        }
+
         // Interactive console - inherit stdin/stdout/stderr
         cmd.stdin(Stdio::inherit());
         cmd.stdout(Stdio::inherit());