diff --git a/codex-rs/core/config.schema.json b/codex-rs/core/config.schema.json
index a499adc0a93..4f8b8ff3923 100644
--- a/codex-rs/core/config.schema.json
+++ b/codex-rs/core/config.schema.json
@@ -539,6 +539,9 @@
             "guardian_approval": {
               "type": "boolean"
             },
+            "guardianv2": {
+              "type": "boolean"
+            },
             "hooks": {
               "type": "boolean"
             },
@@ -5060,6 +5063,9 @@
         "guardian_approval": {
           "type": "boolean"
         },
+        "guardianv2": {
+          "type": "boolean"
+        },
         "hooks": {
           "type": "boolean"
         },
diff --git a/codex-rs/features/src/lib.rs b/codex-rs/features/src/lib.rs
index f7360e13402..e705d337c74 100644
--- a/codex-rs/features/src/lib.rs
+++ b/codex-rs/features/src/lib.rs
@@ -225,6 +225,8 @@ pub enum Feature {
     DefaultModeRequestUserInput,
     /// Enable automatic review for approval prompts.
     GuardianApproval,
+    /// Enable Guardian V2 automatic approval reviews.
+    GuardianV2,
     /// Enable persisted thread goals and automatic goal continuation.
     Goals,
     /// Add current context-window metadata to model-visible context.
@@ -1276,6 +1278,12 @@ pub const FEATURES: &[FeatureSpec] = &[
         stage: Stage::Stable,
         default_enabled: true,
     },
+    FeatureSpec {
+        id: Feature::GuardianV2,
+        key: "guardianv2",
+        stage: Stage::UnderDevelopment,
+        default_enabled: false,
+    },
     FeatureSpec {
         id: Feature::Goals,
         key: "goals",