diff --git a/docs/OPERATIONS.md b/docs/OPERATIONS.md
index 1341950..2466cca 100644
--- a/docs/OPERATIONS.md
+++ b/docs/OPERATIONS.md
@@ -71,6 +71,9 @@ connectivity tester: `GET /api/admin/mail`, `POST /api/admin/mail/verify`,
   login page (wishlist). Only switchable on while public registration is off —
   the two are mutually exclusive (API answers 409 otherwise).
 - `tools_ocr_enabled` (default on): admin kill-switch for the OCR tool.
+- `reports_enabled` (default on): admin kill-switch for message reports —
+  the chat flag button turns grey with a "Report disabled" tooltip and
+  `POST /api/reports` answers 403. Surfaced to clients via `GET /api/tools`.
 - Flags live in the `settings` SQLite table, edited via
   `GET/PATCH /api/admin/settings` (admin Bearer only).
 
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 34d8c05..9736a16 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -114,6 +114,7 @@ export function App() {
   const [filePreview, setFilePreview] = useState<FilePreview | null>(null);
   const [previewBusy, setPreviewBusy] = useState(false);
   const [ocrAvailable, setOcrAvailable] = useState(false);
+  const [reportsEnabled, setReportsEnabled] = useState(true);
   // Model-error retry: which trailing message is the error bubble (if any),
   // its conversation, and how many times this prompt was already retried.
   const [failed, setFailed] = useState<{ index: number; convId: string } | null>(null);
@@ -183,9 +184,11 @@ export function App() {
             .tools()
             .catch(() => ({
               tools: [] as { name: string; available: boolean }[],
+              reportsEnabled: true,
             })),
         ]);
         setOcrAvailable(t.tools.some((x) => x.name === "ocr" && x.available));
+        setReportsEnabled(t.reportsEnabled ?? true);
         setModels(m.models);
         if (m.models.length > 0) setModel(m.models[0]!.id);
         setConvs(c.conversations);
@@ -306,9 +309,10 @@ export function App() {
       .catch(() => {});
     api
       .tools()
-      .then((t) =>
-        setOcrAvailable(t.tools.some((x) => x.name === "ocr" && x.available)),
-      )
+      .then((t) => {
+        setOcrAvailable(t.tools.some((x) => x.name === "ocr" && x.available));
+        setReportsEnabled(t.reportsEnabled ?? true);
+      })
       .catch(() => {});
     // Land directly on the latest conversation's own URL.
     refreshConvs().then((id) => {
@@ -681,6 +685,7 @@ export function App() {
         attachments={attachments}
         attachError={attachError}
         ocrAvailable={ocrAvailable}
+        reportsEnabled={reportsEnabled}
         onRemoveAttachment={(id) =>
           setAttachments((prev) => prev.filter((a) => a.id !== id))
         }
diff --git a/frontend/src/components/AdminCenter.tsx b/frontend/src/components/AdminCenter.tsx
index 5748fb3..4b163fd 100644
--- a/frontend/src/components/AdminCenter.tsx
+++ b/frontend/src/components/AdminCenter.tsx
@@ -24,7 +24,7 @@ export function AdminCenter() {
   const { t } = useT();
   const [allowed, setAllowed] = useState<boolean | null>(null);
   const [tab, setTab] = useState<Tab>("accounts");
-  const [settings, setSettings] = useState<{ registrationEnabled: boolean; accessRequestEnabled: boolean; ocrEnabled: boolean } | null>(null);
+  const [settings, setSettings] = useState<{ registrationEnabled: boolean; accessRequestEnabled: boolean; ocrEnabled: boolean; reportsEnabled: boolean } | null>(null);
   const [error, setError] = useState("");
   const [saving, setSaving] = useState(false);
   const [openAccessCount, setOpenAccessCount] = useState(0);
@@ -100,7 +100,7 @@ export function AdminCenter() {
     });
   }, [allowed]);
 
-  async function toggle(patch: { registrationEnabled?: boolean; accessRequestEnabled?: boolean; ocrEnabled?: boolean }) {
+  async function toggle(patch: { registrationEnabled?: boolean; accessRequestEnabled?: boolean; ocrEnabled?: boolean; reportsEnabled?: boolean }) {
     setSaving(true);
     setError("");
     try {
@@ -244,6 +244,13 @@ export function AdminCenter() {
               </div>
               <Switch label={t("center.ocrTitle")} checked={settings?.ocrEnabled ?? false} onChange={(v) => toggle({ ocrEnabled: v })} />
             </div>
+            <div className="flex items-center gap-4 rounded-3xl border border-stone-200/70 bg-white p-5 shadow-sm dark:border-zinc-800 dark:bg-zinc-900">
+              <div className="min-w-0 flex-1">
+                <p className="text-sm font-medium">{t("center.reportsTitle")}</p>
+                <p className="text-sm opacity-60">{t("center.reportsDesc")}</p>
+              </div>
+              <Switch label={t("center.reportsTitle")} checked={settings?.reportsEnabled ?? false} onChange={(v) => toggle({ reportsEnabled: v })} />
+            </div>
             {saving && <p className="flex items-center gap-2 text-sm opacity-60"><Spinner size={14} /> {t("common.saving")}</p>}
             {!settings && !error && <p className="flex items-center gap-2 text-sm opacity-60"><Spinner size={14} /> {t("common.loading")}</p>}
           </section>
diff --git a/frontend/src/components/Chat.tsx b/frontend/src/components/Chat.tsx
index 24696de..b5b626f 100644
--- a/frontend/src/components/Chat.tsx
+++ b/frontend/src/components/Chat.tsx
@@ -11,7 +11,7 @@ import { useT, type StringKey } from "../lib/i18n.ts";
 
 const REPORT_REASONS: ReportReason[] = ["copyright", "gore", "falseinfo", "bug"];
 
-function MessageBubble({ msg, index, authorAvatar, authorName, onReport, isFailed, retryCount, maxRetries, retryDisabled, onRetry }: { msg: ChatMessage; index: number; authorAvatar?: string; authorName: string; onReport?: (index: number) => void; isFailed?: boolean; retryCount?: number; maxRetries?: number; retryDisabled?: boolean; onRetry?: () => void }) {
+function MessageBubble({ msg, index, authorAvatar, authorName, onReport, reportsEnabled = true, isFailed, retryCount, maxRetries, retryDisabled, onRetry }: { msg: ChatMessage; index: number; authorAvatar?: string; authorName: string; onReport?: (index: number) => void; reportsEnabled?: boolean; isFailed?: boolean; retryCount?: number; maxRetries?: number; retryDisabled?: boolean; onRetry?: () => void }) {
   const { t } = useT();
   const isUser = msg.role === "user";
   const [copied, setCopied] = useState(false);
@@ -53,7 +53,11 @@ function MessageBubble({ msg, index, authorAvatar, authorName, onReport, isFaile
                 <IconButton title={t("msg.search")} onClick={searchWeb}>
                   <Search size={14} />
                 </IconButton>
-                <IconButton title={t("msg.report")} onClick={() => onReport(index)}>
+                <IconButton
+                  title={reportsEnabled ? t("msg.report") : t("msg.reportDisabled")}
+                  onClick={() => onReport(index)}
+                  disabled={!reportsEnabled}
+                >
                   <Flag size={14} />
                 </IconButton>
               </>
@@ -194,6 +198,7 @@ export function Chat({
   attachments,
   attachError,
   ocrAvailable,
+  reportsEnabled = true,
   onRemoveAttachment,
   onPickFile,
   failedIndex,
@@ -220,6 +225,7 @@ export function Chat({
   attachments: Attachment[];
   attachError: string | null;
   ocrAvailable: boolean;
+  reportsEnabled?: boolean;
   onRemoveAttachment: (id: string) => void;
   onPickFile: (kind: "ocr" | "text", file: File) => void;
   /** Trailing model-error bubble index (retry arrow), if any. */
@@ -323,7 +329,7 @@ export function Chat({
             </div>
           )}
           {messages.filter((m) => m.role !== "system").map((m, i) => (
-            <MessageBubble key={i} msg={m} index={i} authorAvatar={user.avatarUrl} authorName={user.displayName} onReport={readOnly ? undefined : setReportIndex} isFailed={failedIndex === i} retryCount={retryCount} maxRetries={maxRetries} retryDisabled={sending} onRetry={failedIndex === i && retryCount < maxRetries ? onRetry : undefined} />
+            <MessageBubble key={i} msg={m} index={i} authorAvatar={user.avatarUrl} authorName={user.displayName} onReport={readOnly ? undefined : setReportIndex} reportsEnabled={reportsEnabled} isFailed={failedIndex === i} retryCount={retryCount} maxRetries={maxRetries} retryDisabled={sending} onRetry={failedIndex === i && retryCount < maxRetries ? onRetry : undefined} />
           ))}
           {streaming !== "" && (
             <div className="flex gap-2 sm:gap-3">
diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index a0eda7f..8bd8f7d 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -188,9 +188,9 @@ export const api = {
   adminPatch: (id: string, patch: { displayName?: string; avatarUrl?: string; theme?: string; email?: string }) =>
     req<{ user: User }>(`/api/admin/users/${id}`, { method: "PATCH", body: JSON.stringify(patch) }),
 
-  adminGetSettings: () => req<{ settings: { registrationEnabled: boolean; accessRequestEnabled: boolean; ocrEnabled: boolean } }>("/api/admin/settings"),
-  adminPatchSettings: (patch: { registrationEnabled?: boolean; accessRequestEnabled?: boolean; ocrEnabled?: boolean }) =>
-    req<{ settings: { registrationEnabled: boolean; accessRequestEnabled: boolean; ocrEnabled: boolean } }>("/api/admin/settings", { method: "PATCH", body: JSON.stringify(patch) }),
+  adminGetSettings: () => req<{ settings: { registrationEnabled: boolean; accessRequestEnabled: boolean; ocrEnabled: boolean; reportsEnabled: boolean } }>("/api/admin/settings"),
+  adminPatchSettings: (patch: { registrationEnabled?: boolean; accessRequestEnabled?: boolean; ocrEnabled?: boolean; reportsEnabled?: boolean }) =>
+    req<{ settings: { registrationEnabled: boolean; accessRequestEnabled: boolean; ocrEnabled: boolean; reportsEnabled: boolean } }>("/api/admin/settings", { method: "PATCH", body: JSON.stringify(patch) }),
 
   /** Admin: SMTP credentials viewer (password included, blur it by default) + connectivity. */
   adminMailStatus: () =>
@@ -328,7 +328,7 @@ export const api = {
   deleteProvider: (provider: string) =>
     req<{ providers: UserProvider[] }>(`/api/me/providers/${provider}`, { method: "DELETE" }),
 
-  tools: () => req<{ tools: { name: string; description: string; available: boolean; reason: string | null }[] }>("/api/tools"),
+  tools: () => req<{ tools: { name: string; description: string; available: boolean; reason: string | null }[]; reportsEnabled: boolean }>("/api/tools"),
 
   /** Send an image to the platform OCR tool. Returns editable text (never the raw image). */
   ocrImage: async (file: File): Promise<{ text: string; truncated: boolean; chars: number }> => {
diff --git a/frontend/src/lib/i18n.ts b/frontend/src/lib/i18n.ts
index 7a754c1..633ad42 100644
--- a/frontend/src/lib/i18n.ts
+++ b/frontend/src/lib/i18n.ts
@@ -339,6 +339,9 @@ const en = {
   "center.ocrTitle": "OCR tool",
   "center.ocrDesc":
     "Server-side image transcription for attachments. Requires the tesseract binary.",
+  "center.reportsTitle": "Message reports",
+  "center.reportsDesc":
+    "Flag button under assistant responses. Off = the flag turns grey with a “Report disabled” tooltip and new reports are rejected.",
   "center.mailTitle": "Key recovery emails",
   "center.mailChecking": "Checking…",
   "center.mailFrom": "Enabled — sent from {from}",
@@ -479,6 +482,7 @@ const en = {
   "msg.copy": "Copy message",
   "msg.search": "Search the web",
   "msg.report": "Report response",
+  "msg.reportDisabled": "Report disabled",
   "msg.retry": "Retry",
 
   "report.title": "Report this response",
@@ -900,6 +904,9 @@ const es: Dict = {
   "center.ocrTitle": "Herramienta OCR",
   "center.ocrDesc":
     "Transcripción de imágenes en el servidor. Requiere tesseract.",
+  "center.reportsTitle": "Denuncias de mensajes",
+  "center.reportsDesc":
+    "Botón de bandera bajo las respuestas. Off = bandera gris con aviso y se rechazan nuevas denuncias.",
   "center.mailTitle": "Emails de recuperación",
   "center.mailChecking": "Verificando…",
   "center.mailFrom": "Activado — enviados desde {from}",
@@ -1039,6 +1046,7 @@ const es: Dict = {
   "msg.copy": "Copiar mensaje",
   "msg.search": "Buscar en la web",
   "msg.report": "Denunciar respuesta",
+  "msg.reportDisabled": "Denuncias desactivadas",
   "msg.retry": "Reintentar",
   "report.title": "Denunciar esta respuesta",
   "report.reason": "Motivo",
@@ -1455,6 +1463,9 @@ const fr: Dict = {
     "Affiche Demander l'accès au login. Réservez un pseudo, plaidez votre cas ; tri dans l'onglet Accès.",
   "center.ocrTitle": "Outil OCR",
   "center.ocrDesc": "Transcription d'images côté serveur. Requiert tesseract.",
+  "center.reportsTitle": "Signalements de messages",
+  "center.reportsDesc":
+    "Bouton drapeau sous les réponses. Off = drapeau grisé avec infobulle et nouveaux signalements refusés.",
   "center.mailTitle": "Emails de récupération",
   "center.mailChecking": "Vérification…",
   "center.mailFrom": "Activé — envoyés depuis {from}",
@@ -1594,6 +1605,7 @@ const fr: Dict = {
   "msg.copy": "Copier le message",
   "msg.search": "Rechercher sur le web",
   "msg.report": "Signaler la réponse",
+  "msg.reportDisabled": "Signalements désactivés",
   "msg.retry": "Réessayer",
   "report.title": "Signaler cette réponse",
   "report.reason": "Motif",
@@ -2001,6 +2013,9 @@ const ru: Dict = {
     "Кнопка доступа на входе. Гости просят имя; разбор во вкладке.",
   "center.ocrTitle": "Инструмент OCR",
   "center.ocrDesc": "Распознавание картинок на сервере. Нужен tesseract.",
+  "center.reportsTitle": "Жалобы на сообщения",
+  "center.reportsDesc":
+    "Кнопка-флажок под ответами. Выкл = серый флажок с подсказкой, новые жалобы отклоняются.",
   "center.mailTitle": "Письма восстановления",
   "center.mailChecking": "Проверяем…",
   "center.mailFrom": "Включено — шлём от {from}",
@@ -2137,6 +2152,7 @@ const ru: Dict = {
   "msg.copy": "Скопировать сообщение",
   "msg.search": "Искать в интернете",
   "msg.report": "Пожаловаться на ответ",
+  "msg.reportDisabled": "Жалобы отключены",
   "msg.retry": "Повторить",
   "report.title": "Пожаловаться на этот ответ",
   "report.reason": "Причина",
@@ -2547,6 +2563,9 @@ const it: Dict = {
     "Mostra Richiedi accesso al login. Valuta nella scheda Accesso.",
   "center.ocrTitle": "Strumento OCR",
   "center.ocrDesc": "Trascrizione immagini sul server. Serve tesseract.",
+  "center.reportsTitle": "Segnalazioni messaggi",
+  "center.reportsDesc":
+    "Bandierina sotto le risposte. Off = bandierina grigia con tooltip e nuove segnalazioni rifiutate.",
   "center.mailTitle": "Email di recupero",
   "center.mailChecking": "Verifica…",
   "center.mailFrom": "Attivo — inviate da {from}",
@@ -2685,6 +2704,7 @@ const it: Dict = {
   "msg.copy": "Copia messaggio",
   "msg.search": "Cerca nel web",
   "msg.report": "Segnala risposta",
+  "msg.reportDisabled": "Segnalazioni disabilitate",
   "msg.retry": "Riprova",
   "report.title": "Segnala questa risposta",
   "report.reason": "Motivo",
@@ -3088,6 +3108,9 @@ const pt: Dict = {
   "center.accDescOff": "Mostra Pedir acesso no login. Triagem na aba Acesso.",
   "center.ocrTitle": "Ferramenta OCR",
   "center.ocrDesc": "Transcrição no servidor. Precisa tesseract.",
+  "center.reportsTitle": "Denúncias de mensagens",
+  "center.reportsDesc":
+    "Bandeira sob as respostas. Off = bandeira cinzenta com aviso e novas denúncias recusadas.",
   "center.mailTitle": "Emails de recuperação",
   "center.mailChecking": "A verificar…",
   "center.mailFrom": "Ativo — enviados de {from}",
@@ -3224,6 +3247,7 @@ const pt: Dict = {
   "msg.copy": "Copiar mensagem",
   "msg.search": "Pesquisar na web",
   "msg.report": "Denunciar resposta",
+  "msg.reportDisabled": "Denúncias desativadas",
   "msg.retry": "Tentar novamente",
   "report.title": "Denunciar esta resposta",
   "report.reason": "Motivo",
diff --git a/src/db.ts b/src/db.ts
index 2165920..c276a71 100644
--- a/src/db.ts
+++ b/src/db.ts
@@ -389,6 +389,11 @@ export function isOcrToolEnabled(): boolean {
   return getSetting("tools_ocr_enabled", "1") === "1";
 }
 
+/** Admin kill-switch for message reports / flag button (default on). */
+export function isReportsEnabled(): boolean {
+  return getSetting("reports_enabled", "1") === "1";
+}
+
 // --- public shares ---
 
 export function ensureShare(convId: string): string {
diff --git a/src/index.ts b/src/index.ts
index 7d1b0cb..c81cd10 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -33,6 +33,7 @@ import {
   getUserById,
   getUserByUsername,
   isRegistrationEnabled,
+  isReportsEnabled,
   listConversations,
   listArchivedConversations,
   listUsers,
@@ -831,6 +832,7 @@ const server = Bun.serve<{ ticketId: string | null; isAdmin: boolean }>({
             registrationEnabled: isRegistrationEnabled(),
             accessRequestEnabled: getSetting("registration_request_enabled", "1") === "1",
             ocrEnabled: getSetting("tools_ocr_enabled", "1") === "1",
+            reportsEnabled: isReportsEnabled(),
           },
         });
       }
@@ -858,11 +860,16 @@ const server = Bun.serve<{ ticketId: string | null; isAdmin: boolean }>({
           if (typeof body.ocrEnabled !== "boolean") return json({ error: "ocrEnabled must be boolean" }, 400);
           setSetting("tools_ocr_enabled", body.ocrEnabled ? "1" : "0");
         }
+        if (body.reportsEnabled !== undefined) {
+          if (typeof body.reportsEnabled !== "boolean") return json({ error: "reportsEnabled must be boolean" }, 400);
+          setSetting("reports_enabled", body.reportsEnabled ? "1" : "0");
+        }
         return json({
           settings: {
             registrationEnabled: isRegistrationEnabled(),
             accessRequestEnabled: getSetting("registration_request_enabled", "1") === "1",
             ocrEnabled: getSetting("tools_ocr_enabled", "1") === "1",
+            reportsEnabled: isReportsEnabled(),
           },
         });
       }
@@ -1010,6 +1017,7 @@ const server = Bun.serve<{ ticketId: string | null; isAdmin: boolean }>({
 
       // --- content reports (flagged AI responses) ---
       if (path === "/api/reports" && req.method === "POST") {
+        if (!isReportsEnabled()) return json({ error: "reports are disabled" }, 403);
         const { ok, body } = await readJson(req);
         if (!ok) return json({ error: "invalid JSON" }, 400);
         const reason = body.reason as ReportReason | undefined;
@@ -1352,7 +1360,7 @@ const server = Bun.serve<{ ticketId: string | null; isAdmin: boolean }>({
 
       // --- platform tools (uploads always go through tools) ---
       if (path === "/api/tools" && req.method === "GET") {
-        return json({ tools: tools.list() });
+        return json({ tools: tools.list(), reportsEnabled: isReportsEnabled() });
       }
 
       if (path === "/api/tools/ocr" && req.method === "POST") {