diff --git a/packs/BP/scripts/commands/VerifierCommand.js b/packs/BP/scripts/commands/VerifierCommand.js
new file mode 100644
index 0000000..00ae70d
--- /dev/null
+++ b/packs/BP/scripts/commands/VerifierCommand.js
@@ -0,0 +1,37 @@
+import { CustomCommandParamType, CustomCommandStatus, system } from '@minecraft/server';
+import { Command } from '../classes/Commands/Command';
+import { findInstance } from '../classes/Commands/lib/findInstance';
+import { commandError } from '../classes/Commands/lib/commandError';
+
+export class VerifierCommand extends Command {
+    constructor() {
+        super({
+            name: 'verifier',
+            description: 'construct.commands.verifier',
+            mandatoryParameters: [
+                { name: 'instanceName', type: CustomCommandParamType.String },
+                { name: 'state', type: CustomCommandParamType.Boolean }
+            ],
+            callback: (source, instanceName, state) => this.run(source, instanceName, state)
+        });
+    }
+
+    run(source, instanceName, state) {
+        try {
+            const instance = findInstance(source, instanceName);
+            if (!instance) return { status: CustomCommandStatus.Failure };
+            system.run(() => {
+                instance.setVerifierEnabled(state);
+                source.sendMessage({
+                    rawtext: [{ translate: 'construct.commands.verifier.success',
+                                with: [instanceName, String(state)] }]
+                });
+            });
+            return { status: CustomCommandStatus.Success };
+        } catch (err) {
+            return commandError(source, err);
+        }
+    }
+}
+
+export const verifierCommand = new VerifierCommand();
diff --git a/packs/BP/scripts/main.js b/packs/BP/scripts/main.js
index 9c10cdb..160c7f3 100644
--- a/packs/BP/scripts/main.js
+++ b/packs/BP/scripts/main.js
@@ -21,6 +21,7 @@ import './commands/ActiveCommand';
 import './commands/LayerCommand';
 import './commands/NextLayerCommand';
 import './commands/PrevLayerCommand';
+import './commands/VerifierCommand';
 
 // Other
 import './classes/BlockInfo';
diff --git a/packs/RP/texts/en_US.lang b/packs/RP/texts/en_US.lang
index 5cf2600..e831205 100644
--- a/packs/RP/texts/en_US.lang
+++ b/packs/RP/texts/en_US.lang
@@ -158,3 +158,7 @@ construct.commands.nextlayer.success=§aInstance "%1" advanced to layer %2.
 ## construct:prevlayer
 construct.commands.prevlayer=Step layer down by one (wraps 0 to max).
 construct.commands.prevlayer.success=§aInstance "%1" stepped back to layer %2.
+
+## construct:verifier
+construct.commands.verifier=Toggle block validation overlay for an instance.
+construct.commands.verifier.success=§aSet instance "%1" verifier=%2.
diff --git a/packs/RP/texts/zh_CN.lang b/packs/RP/texts/zh_CN.lang
index 2947e21..80f27d5 100644
--- a/packs/RP/texts/zh_CN.lang
+++ b/packs/RP/texts/zh_CN.lang
@@ -158,3 +158,7 @@ construct.commands.nextlayer.success=§aInstance "%1" advanced to layer %2.
 ## construct:prevlayer
 construct.commands.prevlayer=Step layer down by one (wraps 0 to max).
 construct.commands.prevlayer.success=§aInstance "%1" stepped back to layer %2.
+
+## construct:verifier
+construct.commands.verifier=Toggle block validation overlay for an instance.
+construct.commands.verifier.success=§aSet instance "%1" verifier=%2.