diff --git a/src/main/java/loganintech/regionforcefield/command/ForcefieldCommand.java b/src/main/java/loganintech/regionforcefield/command/ForcefieldCommand.java
index 20aeff9..ec321bc 100644
--- a/src/main/java/loganintech/regionforcefield/command/ForcefieldCommand.java
+++ b/src/main/java/loganintech/regionforcefield/command/ForcefieldCommand.java
@@ -35,8 +35,7 @@ public class ForcefieldCommand implements CommandExecutor, TabCompleter {
     public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command,
                             @NotNull String label, @NotNull String[] args) {
         if (args.length == 0) {
-            sendHelp(sender);
-            return true;
+            return handleHelp(sender);
         }
 
         switch (args[0].toLowerCase()) {
@@ -53,8 +52,7 @@ public class ForcefieldCommand implements CommandExecutor, TabCompleter {
             case "material":
                 return handleMaterial(sender, args);
             case "help":
-                sendHelp(sender);
-                return true;
+                return handleHelp(sender);
             default:
                 sender.sendMessage(ChatColor.RED + "Unknown subcommand. Use /forcefield help");
                 return true;
@@ -234,7 +232,7 @@ public class ForcefieldCommand implements CommandExecutor, TabCompleter {
     }
 
     private boolean handleMaterial(@NotNull CommandSender sender, @NotNull String[] args) {
-        if (!sender.hasPermission("regionforcefield.reload")) {
+        if (!sender.hasPermission("regionforcefield.material")) {
             sender.sendMessage(ChatColor.RED + "You don't have permission to use this command.");
             return true;
         }
@@ -274,6 +272,16 @@ public class ForcefieldCommand implements CommandExecutor, TabCompleter {
         return true;
     }
 
+    private boolean handleHelp(@NotNull CommandSender sender) {
+        if (!sender.hasPermission("regionforcefield.help")) {
+            sender.sendMessage(ChatColor.RED + "You don't have permission to use this command.");
+            return true;
+        }
+
+        sendHelp(sender);
+        return true;
+    }
+
     private void sendHelp(@NotNull CommandSender sender) {
         sender.sendMessage(ChatColor.GOLD + "=== RegionForcefield Commands ===");
         sender.sendMessage(ChatColor.YELLOW + "/forcefield debug " + ChatColor.GRAY + "- Toggle debug mode");
@@ -336,15 +344,36 @@ public class ForcefieldCommand implements CommandExecutor, TabCompleter {
         List<String> completions = new ArrayList<>();
 
         if (args.length == 1) {
-            List<String> subcommands = Arrays.asList("debug", "reload", "status", "info", "test", "material", "help");
             String input = args[0].toLowerCase();
 
-            for (String subcommand : subcommands) {
-                if (subcommand.startsWith(input)) {
-                    completions.add(subcommand);
-                }
+            // Only show subcommands the sender has permission to use
+            if (sender.hasPermission("regionforcefield.debug") && "debug".startsWith(input)) {
+                completions.add("debug");
+            }
+            if (sender.hasPermission("regionforcefield.reload") && "reload".startsWith(input)) {
+                completions.add("reload");
+            }
+            if (sender.hasPermission("regionforcefield.status") && "status".startsWith(input)) {
+                completions.add("status");
+            }
+            if (sender.hasPermission("regionforcefield.info") && "info".startsWith(input)) {
+                completions.add("info");
+            }
+            if (sender.hasPermission("regionforcefield.debug") && "test".startsWith(input)) {
+                completions.add("test");
+            }
+            if (sender.hasPermission("regionforcefield.material") && "material".startsWith(input)) {
+                completions.add("material");
+            }
+            if (sender.hasPermission("regionforcefield.help") && "help".startsWith(input)) {
+                completions.add("help");
             }
         } else if (args.length == 2 && args[0].equalsIgnoreCase("material")) {
+            // Only show material suggestions if the sender has permission
+            if (!sender.hasPermission("regionforcefield.material")) {
+                return completions;
+            }
+
             // Suggest common block materials
             List<String> commonMaterials = Arrays.asList(
                 "BARRIER", "GLASS", "GLASS_PANE",
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index af39f1c..61b5f50 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -24,11 +24,13 @@ permissions:
       regionforcefield.reload: true
       regionforcefield.status: true
       regionforcefield.info: true
+      regionforcefield.material: true
+      regionforcefield.help: true
   regionforcefield.command:
     description: Allows access to the base /forcefield command
     default: true
   regionforcefield.debug:
-    description: Allows toggling debug mode
+    description: Allows toggling debug mode and using test command
     default: op
   regionforcefield.reload:
     description: Allows reloading the plugin configuration
@@ -39,3 +41,9 @@ permissions:
   regionforcefield.info:
     description: Allows viewing region information
     default: true
+  regionforcefield.material:
+    description: Allows changing the forcefield block material
+    default: op
+  regionforcefield.help:
+    description: Allows viewing command help
+    default: true