diff --git a/AGENTS.md b/AGENTS.md
index 8445364..9939c6a 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -2565,8 +2565,10 @@ kind-10040 provider designation** (`useSetTrustProvider`: custom npub/hex +
 `wss://` relay, or clear to fall back to the community provider). The local
 (non-provider) ladder is computed **once per viewer** by `useViewerGraph` and
 shared, so `TrustBadge` no longer fires a per-card `useTrustScore` graph query.
-Still open: a
-mute action (no NIP-51 kind-10000 hook exists yet), counterparty alerts, and the
+**Mute landed:** `useMuteList` + `useMuteUser` (NIP-51 kind-10000, optimistic via
+`lib/localMutes.ts`) feed `useAdminModeration`'s new `mutedPubkeys`, so the
+shared `filterAdminHidden` drops muted authors across every list; the flagged
+notice has a Mute action. Still open: counterparty alerts and the
 confidence-gated scoring model. Check
 `TRUST_SCORE.md` before touching `useTrustScore` / `useRelatrScore` /
 `trustFilter`.
diff --git a/TRUST_SCORE.md b/TRUST_SCORE.md
index b5c0454..bf82c40 100644
--- a/TRUST_SCORE.md
+++ b/TRUST_SCORE.md
@@ -58,9 +58,21 @@ flagged notice's reporter breakdown, and Settings → Trust.
   community provider — a signed action, so it prompts the signer. Link to
   `/trust`.
 
-Still open: a mute action (there is no NIP-51 kind-10000 hook yet — Dismiss is
-the local equivalent for now), counterparty alerts, and the confidence-gated
-scoring model.
+## Fourth pass — mute (landed)
+
+- **`useMuteList`** reads the viewer's NIP-51 **kind-10000** mute list plus any
+  optimistic local mutes (`lib/localMutes.ts`, `skatespots:local-mutes-v1`).
+- **`useMuteUser`** republishes kind-10000 with the target added (preserving
+  existing entries), records it locally, and invalidates content queries.
+- The shared **`filterAdminHidden` / `filterAdminHiddenMixed`** now also drop
+  authors in `hidden.mutedPubkeys`, so every list hook that already filters
+  hidden content (spots/shops/events/tours/crews/marketplace/skaters/coaches/lab)
+  hides muted accounts with **no per-hook changes**. `useAdminModeration` carries
+  the mute set alongside the admin verdicts (it is the app-wide "drop this
+  content" layer; `includeHidden` admin tooling still bypasses it).
+- The flagged notice gains a **Mute** action (Report + Mute + Dismiss).
+
+Still open: counterparty alerts and the confidence-gated scoring model.
 
 
 
diff --git a/src/components/TrustFlaggedNotice.tsx b/src/components/TrustFlaggedNotice.tsx
index 2b9c012..2ebf136 100644
--- a/src/components/TrustFlaggedNotice.tsx
+++ b/src/components/TrustFlaggedNotice.tsx
@@ -6,6 +6,7 @@ import { ReportDialog } from '@/components/ReportDialog';
 import { useTrustBucket } from '@/hooks/useTrustBucket';
 import { useUserReports } from '@/hooks/useUserReports';
 import { useBatchTrustScores } from '@/hooks/useBatchTrustScores';
+import { useMuteUser } from '@/hooks/useMuteUser';
 import { FLAGGED_REPORTERS_THRESHOLD } from '@/lib/trustLadder';
 import { useTranslation } from '@/contexts/language';
 import { cn } from '@/lib/utils';
@@ -30,6 +31,7 @@ export function TrustFlaggedNotice({ pubkey, targetTitle, className }: TrustFlag
   const { data: scores } = useBatchTrustScores(reporterPubkeys);
   const [dismissed, setDismissed] = useState(false);
   const [reportOpen, setReportOpen] = useState(false);
+  const muteUser = useMuteUser();
 
   const flagged = bucket === 'flagged' || reporterCount >= FLAGGED_REPORTERS_THRESHOLD;
   if (!flagged || dismissed) return null;
@@ -87,6 +89,15 @@ export function TrustFlaggedNotice({ pubkey, targetTitle, className }: TrustFlag
               <Flag className="h-3.5 w-3.5" />
               {t('walletUi.trust.flaggedReport')}
             </Button>
+            <Button
+              size="sm"
+              variant="outline"
+              className="h-8 min-h-0"
+              disabled={muteUser.isPending}
+              onClick={() => muteUser.mutate(pubkey, { onSuccess: () => setDismissed(true) })}
+            >
+              {t('walletUi.trust.mute')}
+            </Button>
             <Button
               size="sm"
               variant="ghost"
diff --git a/src/hooks/useAdminModeration.ts b/src/hooks/useAdminModeration.ts
index d69b5a2..011ec39 100644
--- a/src/hooks/useAdminModeration.ts
+++ b/src/hooks/useAdminModeration.ts
@@ -9,6 +9,7 @@ import {
 } from '@/lib/types';
 import { getLocalVerdicts, type LocalVerdict } from '@/lib/localModeration';
 import { getLocalDeletions } from '@/lib/localDeletions';
+import { useMuteList } from '@/hooks/useMuteList';
 
 /**
  * App-wide admin moderation layer.
@@ -38,8 +39,12 @@ export interface AdminHiddenSet {
   verifiedCoords: Set<string>;
   verifiedIds: Set<string>;
   isVerified: (opts: { coord?: string; id?: string }) => boolean;
+  /** Authors the viewer muted (NIP-51 kind 10000 + optimistic). */
+  mutedPubkeys: Set<string>;
 }
 
+const EMPTY_PUBKEYS = new Set<string>();
+
 const EMPTY: AdminHiddenSet = {
   coords: new Set(),
   ids: new Set(),
@@ -47,6 +52,7 @@ const EMPTY: AdminHiddenSet = {
   verifiedCoords: new Set(),
   verifiedIds: new Set(),
   isVerified: () => false,
+  mutedPubkeys: EMPTY_PUBKEYS,
 };
 
 /**
@@ -58,8 +64,10 @@ export function filterAdminHidden<
   T extends { id: string; pubkey: string; identifier: string },
 >(items: T[], kind: number, hidden: AdminHiddenSet): T[] {
   const deleted = getLocalDeletions();
-  if (hidden.coords.size === 0 && hidden.ids.size === 0 && deleted.size === 0) return items;
+  if (hidden.coords.size === 0 && hidden.ids.size === 0 && deleted.size === 0 && hidden.mutedPubkeys.size === 0) return items;
   return items.filter((it) => {
+    // Muted authors are dropped everywhere this filter is used (NIP-51 mute).
+    if (hidden.mutedPubkeys.has(it.pubkey)) return false;
     const coord = `${kind}:${it.pubkey}:${it.identifier}`;
     if (hidden.has({ coord, id: it.id })) return false;
     // Locally-deleted (NIP-09 pending): drop immediately so a deleted item can
@@ -83,8 +91,9 @@ export function filterAdminHiddenMixed<
   },
 >(items: T[], hidden: AdminHiddenSet): T[] {
   const deleted = getLocalDeletions();
-  if (hidden.coords.size === 0 && hidden.ids.size === 0 && deleted.size === 0) return items;
+  if (hidden.coords.size === 0 && hidden.ids.size === 0 && deleted.size === 0 && hidden.mutedPubkeys.size === 0) return items;
   return items.filter((it) => {
+    if (hidden.mutedPubkeys.has(it.pubkey)) return false;
     const coord = `${it.event.kind}:${it.pubkey}:${it.identifier}`;
     if (hidden.has({ coord, id: it.id })) return false;
     if (deleted.has(coord) || deleted.has(`e:${it.id}`)) return false;
@@ -181,6 +190,7 @@ export function useAdminModeration() {
         verifiedIds,
         isVerified: ({ coord, id }) =>
           (!!coord && verifiedCoords.has(coord)) || (!!id && verifiedIds.has(id)),
+        mutedPubkeys: EMPTY_PUBKEYS,
       };
     },
     staleTime: 60 * 1000,
@@ -188,6 +198,9 @@ export function useAdminModeration() {
     refetchOnMount: true,
   });
 
+  const mutes = useMuteList();
+  const mutedPubkeys = mutes.data ?? EMPTY_PUBKEYS;
+
   // Even if the relay query is still loading/empty, honor local optimistic
   // hides so the takedown is reflected immediately on this device.
   if (!query.data) {
@@ -204,7 +217,7 @@ export function useAdminModeration() {
     }
 
     if (coords.size === 0 && ids.size === 0 && verifiedCoords.size === 0 && verifiedIds.size === 0) {
-      return EMPTY;
+      return { ...EMPTY, mutedPubkeys };
     }
 
     return {
@@ -216,8 +229,9 @@ export function useAdminModeration() {
       verifiedIds,
       isVerified: ({ coord, id }) =>
         (!!coord && verifiedCoords.has(coord)) || (!!id && verifiedIds.has(id)),
+      mutedPubkeys,
     };
   }
 
-  return query.data;
+  return { ...query.data, mutedPubkeys };
 }
diff --git a/src/hooks/useMuteList.ts b/src/hooks/useMuteList.ts
new file mode 100644
index 0000000..41d6b76
--- /dev/null
+++ b/src/hooks/useMuteList.ts
@@ -0,0 +1,39 @@
+import { useQuery } from '@tanstack/react-query';
+import { useNostr } from '@nostrify/react';
+
+import { useCurrentUser } from './useCurrentUser';
+import { onlyVerified } from '@/lib/verifyEvents';
+import { getLocalMutes } from '@/lib/localMutes';
+
+/** NIP-51 mute list. */
+export const MUTE_LIST_KIND = 10000;
+
+/**
+ * The viewer's muted pubkeys: their kind-10000 list plus any optimistic mutes
+ * made on this device. Returns an empty set when logged out.
+ */
+export function useMuteList() {
+  const { nostr } = useNostr();
+  const { user } = useCurrentUser();
+  const pubkey = user?.pubkey;
+
+  return useQuery({
+    queryKey: ['mute-list', pubkey],
+    enabled: !!pubkey,
+    staleTime: 5 * 60 * 1000,
+    queryFn: async (c): Promise<Set<string>> => {
+      const set = getLocalMutes();
+      if (!pubkey) return set;
+
+      const signal = AbortSignal.any([c.signal, AbortSignal.timeout(8000)]);
+      const events = onlyVerified(await nostr.query(
+        [{ kinds: [MUTE_LIST_KIND], authors: [pubkey], limit: 1 }],
+        { signal },
+      ));
+      for (const tag of events[0]?.tags ?? []) {
+        if (tag[0] === 'p' && tag[1]) set.add(tag[1]);
+      }
+      return set;
+    },
+  });
+}
diff --git a/src/hooks/useMuteUser.ts b/src/hooks/useMuteUser.ts
new file mode 100644
index 0000000..3e1a786
--- /dev/null
+++ b/src/hooks/useMuteUser.ts
@@ -0,0 +1,67 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import { useNostr } from '@nostrify/react';
+
+import { useNostrPublish } from '@/hooks/useNostrPublish';
+import { useCurrentUser } from '@/hooks/useCurrentUser';
+import { useToast } from '@/hooks/useToast';
+import { useTranslation } from '@/contexts/language';
+import { onlyVerified } from '@/lib/verifyEvents';
+import { addLocalMute, getLocalMutes } from '@/lib/localMutes';
+import { MUTE_LIST_KIND } from '@/hooks/useMuteList';
+
+/**
+ * Mute a pubkey by republishing the viewer's NIP-51 kind-10000 mute list with
+ * the target added, preserving any entries already there. Optimistically records
+ * it locally and invalidates the content queries so the muted account drops out
+ * of the lists immediately.
+ */
+export function useMuteUser() {
+  const { nostr } = useNostr();
+  const { mutateAsync: publish } = useNostrPublish();
+  const { user } = useCurrentUser();
+  const { toast } = useToast();
+  const { t } = useTranslation();
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: async (target: string) => {
+      if (!user) throw new Error(t('walletUi.trust.loginToMute'));
+
+      let existing: string[] = [];
+      try {
+        const signal = AbortSignal.any([AbortSignal.timeout(8000)]);
+        const events = onlyVerified(await nostr.query(
+          [{ kinds: [MUTE_LIST_KIND], authors: [user.pubkey], limit: 1 }],
+          { signal },
+        ));
+        existing = (events[0]?.tags ?? [])
+          .filter(([name]) => name === 'p')
+          .map(([, value]) => value)
+          .filter(Boolean);
+      } catch {
+        // Relay unreachable — publish with what we know locally rather than fail.
+      }
+
+      const merged = new Set([...existing, ...getLocalMutes(), target]);
+      await publish({
+        kind: MUTE_LIST_KIND,
+        content: '',
+        tags: [...merged].map((pk) => ['p', pk]),
+      });
+    },
+    onSuccess: (_data, target) => {
+      addLocalMute(target);
+      queryClient.invalidateQueries({ queryKey: ['mute-list', user?.pubkey] });
+      // Refresh content so the muted account's items drop out of the lists.
+      queryClient.invalidateQueries();
+      toast({ title: t('walletUi.trust.muted'), description: t('walletUi.trust.mutedDesc') });
+    },
+    onError: (error) => {
+      toast({
+        title: t('walletUi.trust.muteFailed'),
+        description: error instanceof Error ? error.message : undefined,
+        variant: 'destructive',
+      });
+    },
+  });
+}
diff --git a/src/i18n/en.ts b/src/i18n/en.ts
index 7d1c2cf..dca65e0 100644
--- a/src/i18n/en.ts
+++ b/src/i18n/en.ts
@@ -6145,6 +6145,11 @@ walletUi: {
       top10Hint: 'Reach the top 10 supporters',
     },
     trust: {
+      mute: 'Mute',
+      muted: 'Muted',
+      mutedDesc: 'You will not see their content.',
+      muteFailed: 'Could not mute. Try again.',
+      loginToMute: 'Log in to mute.',
       attributedNetwork: 'From people in your network',
       attributedProviderHouse: 'From the community trust provider',
       attributedProviderCustom: 'From the provider you chose',
diff --git a/src/i18n/es.ts b/src/i18n/es.ts
index e26a890..80a4c4a 100644
--- a/src/i18n/es.ts
+++ b/src/i18n/es.ts
@@ -6145,6 +6145,11 @@ walletUi: {
       top10Hint: 'Entra en el top 10 de patrocinadores',
     },
     trust: {
+      mute: 'Silenciar',
+      muted: 'Silenciado',
+      mutedDesc: 'No veras su contenido.',
+      muteFailed: 'No se pudo silenciar. Intentalo de nuevo.',
+      loginToMute: 'Inicia sesion para silenciar.',
       attributedNetwork: 'De personas de tu red',
       attributedProviderHouse: 'Del proveedor de confianza de la comunidad',
       attributedProviderCustom: 'Del proveedor que elegiste',
diff --git a/src/lib/localMutes.ts b/src/lib/localMutes.ts
new file mode 100644
index 0000000..271e408
--- /dev/null
+++ b/src/lib/localMutes.ts
@@ -0,0 +1,41 @@
+/**
+ * Device-local optimistic mutes.
+ *
+ * Publishing a NIP-51 kind-10000 mute list is a signed action, and the relay
+ * may not hand it back immediately. Keeping the just-muted pubkeys here means
+ * the mute takes effect on this device at once and survives a reload until the
+ * published list is read back. The relay list remains the source of truth; this
+ * is only an overlay (mirrors `localModeration` / `localDeletions`).
+ */
+
+const STORAGE_KEY = 'skatespots:local-mutes-v1';
+
+function read(): string[] {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY);
+    if (!raw) return [];
+    const parsed = JSON.parse(raw);
+    return Array.isArray(parsed) ? (parsed as string[]) : [];
+  } catch {
+    return [];
+  }
+}
+
+function write(list: string[]): void {
+  try {
+    localStorage.setItem(STORAGE_KEY, JSON.stringify([...new Set(list)]));
+  } catch {
+    /* storage full / unavailable — best-effort */
+  }
+}
+
+export function getLocalMutes(): Set<string> {
+  return new Set(read());
+}
+
+export function addLocalMute(pubkey: string): void {
+  if (!pubkey) return;
+  const list = read();
+  list.push(pubkey);
+  write(list);
+}