diff --git a/src/auto-reply/reply/directives.ts b/src/auto-reply/reply/directives.ts
index 15b0dcb1a..7fc659266 100644
--- a/src/auto-reply/reply/directives.ts
+++ b/src/auto-reply/reply/directives.ts
@@ -1,7 +1,8 @@
-import type { ReasoningLevel } from "../thinking.js";
+import type { NoticeLevel, ReasoningLevel } from "../thinking.js";
 import {
   type ElevatedLevel,
   normalizeElevatedLevel,
+  normalizeNoticeLevel,
   normalizeReasoningLevel,
   normalizeThinkLevel,
   normalizeVerboseLevel,
@@ -112,6 +113,22 @@ export function extractVerboseDirective(body?: string): {
   };
 }
 
+export function extractNoticeDirective(body?: string): {
+  cleaned: string;
+  noticeLevel?: NoticeLevel;
+  rawLevel?: string;
+  hasDirective: boolean;
+} {
+  if (!body) return { cleaned: "", hasDirective: false };
+  const extracted = extractLevelDirective(body, ["notice", "notices"], normalizeNoticeLevel);
+  return {
+    cleaned: extracted.cleaned,
+    noticeLevel: extracted.level,
+    rawLevel: extracted.rawLevel,
+    hasDirective: extracted.hasDirective,
+  };
+}
+
 export function extractElevatedDirective(body?: string): {
   cleaned: string;
   elevatedLevel?: ElevatedLevel;
@@ -152,5 +169,5 @@ export function extractStatusDirective(body?: string): {
   return extractSimpleDirective(body, ["status"]);
 }
 
-export type { ElevatedLevel, ReasoningLevel, ThinkLevel, VerboseLevel };
+export type { ElevatedLevel, NoticeLevel, ReasoningLevel, ThinkLevel, VerboseLevel };
 export { extractExecDirective } from "./exec/directive.js";
diff --git a/src/auto-reply/thinking.ts b/src/auto-reply/thinking.ts
index aabb2cf17..a0f712199 100644
--- a/src/auto-reply/thinking.ts
+++ b/src/auto-reply/thinking.ts
@@ -1,5 +1,6 @@
 export type ThinkLevel = "off" | "minimal" | "low" | "medium" | "high" | "xhigh";
 export type VerboseLevel = "off" | "on" | "full";
+export type NoticeLevel = "off" | "on" | "full";
 export type ElevatedLevel = "off" | "on" | "ask" | "full";
 export type ElevatedMode = "off" | "ask" | "full";
 export type ReasoningLevel = "off" | "on" | "stream";
@@ -93,6 +94,16 @@ export function normalizeVerboseLevel(raw?: string | null): VerboseLevel | undef
   return undefined;
 }
 
+// Normalize system notice flags used to toggle system notifications.
+export function normalizeNoticeLevel(raw?: string | null): NoticeLevel | undefined {
+  if (!raw) return undefined;
+  const key = raw.toLowerCase();
+  if (["off", "false", "no", "0"].includes(key)) return "off";
+  if (["full", "all", "everything"].includes(key)) return "full";
+  if (["on", "minimal", "true", "yes", "1"].includes(key)) return "on";
+  return undefined;
+}
+
 // Normalize response-usage display modes used to toggle per-response usage footers.
 export function normalizeUsageDisplay(raw?: string | null): UsageDisplayLevel | undefined {
   if (!raw) return undefined;