diff --git a/src/components/providers/ProviderActions.tsx b/src/components/providers/ProviderActions.tsx
index 50872decf..30dfe3d90 100644
--- a/src/components/providers/ProviderActions.tsx
+++ b/src/components/providers/ProviderActions.tsx
@@ -38,6 +38,8 @@ interface ProviderActionsProps {
   isInFailoverQueue?: boolean;
   onToggleFailover?: (enabled: boolean) => void;
   isOfficialBlockedByProxy?: boolean;
+  // Hermes v12+ providers: dict overlay — edit/delete must go through Web UI
+  isReadOnly?: boolean;
   // OpenClaw: default model
   isDefaultModel?: boolean;
   onSetAsDefault?: () => void;
@@ -63,6 +65,7 @@ export function ProviderActions({
   isInFailoverQueue = false,
   onToggleFailover,
   isOfficialBlockedByProxy = false,
+  isReadOnly = false,
   // OpenClaw: default model
   isDefaultModel = false,
   onSetAsDefault,
@@ -205,7 +208,11 @@ export function ProviderActions({
 
   const buttonState = getMainButtonState();
 
-  const canDelete = isOmo || isAdditiveMode ? true : !isCurrent;
+  const canDelete =
+    !isReadOnly && (isOmo || isAdditiveMode ? true : !isCurrent);
+  const readOnlyHint = t("provider.managedByHermesHint", {
+    defaultValue: "由 Hermes 管理，请在 Hermes Web UI 中编辑",
+  });
 
   return (
     <div className="flex items-center gap-1.5">
@@ -255,9 +262,13 @@ export function ProviderActions({
         <Button
           size="icon"
           variant="ghost"
-          onClick={onEdit}
-          title={t("common.edit")}
-          className={iconButtonClass}
+          onClick={isReadOnly ? undefined : onEdit}
+          disabled={isReadOnly}
+          title={isReadOnly ? readOnlyHint : t("common.edit")}
+          className={cn(
+            iconButtonClass,
+            isReadOnly && "opacity-40 cursor-not-allowed text-muted-foreground",
+          )}
         >
           <Edit className="h-4 w-4" />
         </Button>
@@ -323,7 +334,7 @@ export function ProviderActions({
           size="icon"
           variant="ghost"
           onClick={canDelete ? onDelete : undefined}
-          title={t("common.delete")}
+          title={isReadOnly ? readOnlyHint : t("common.delete")}
           className={cn(
             iconButtonClass,
             canDelete && "hover:text-red-500 dark:hover:text-red-400",
diff --git a/src/components/providers/ProviderCard.tsx b/src/components/providers/ProviderCard.tsx
index 37d33303a..a54d3da15 100644
--- a/src/components/providers/ProviderCard.tsx
+++ b/src/components/providers/ProviderCard.tsx
@@ -180,6 +180,12 @@ export function ProviderCard({
   const isCopilot =
     provider.meta?.providerType === PROVIDER_TYPES.GITHUB_COPILOT ||
     provider.meta?.usage_script?.templateType === "github_copilot";
+  // Hermes v12+ overlay entries live under the `providers:` dict and are
+  // read-only here — writes have to go through Hermes Web UI.
+  const isHermesReadOnly =
+    appId === "hermes" &&
+    (provider.settingsConfig as Record<string, unknown>)?._cc_source ===
+      "providers_dict";
   const isCodexOauth =
     provider.meta?.providerType === PROVIDER_TYPES.CODEX_OAUTH;
 
@@ -336,6 +342,19 @@ export function ProviderCard({
                     ⭐
                   </span>
                 )}
+
+              {isHermesReadOnly && (
+                <span
+                  className="inline-flex items-center rounded-md bg-slate-200 px-1.5 py-0.5 text-[10px] font-semibold text-slate-700 dark:bg-slate-700/60 dark:text-slate-200"
+                  title={t("provider.managedByHermesHint", {
+                    defaultValue: "由 Hermes 管理，请在 Hermes Web UI 中编辑",
+                  })}
+                >
+                  {t("provider.managedByHermes", {
+                    defaultValue: "Hermes Managed",
+                  })}
+                </span>
+              )}
             </div>
 
             {displayUrl && (
@@ -429,6 +448,7 @@ export function ProviderCard({
               isTesting={isTesting}
               isProxyTakeover={isProxyTakeover}
               isOfficialBlockedByProxy={isOfficialBlockedByProxy}
+              isReadOnly={isHermesReadOnly}
               isOmo={isAnyOmo}
               onSwitch={() => onSwitch(provider)}
               onEdit={() => onEdit(provider)}
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index ecc8e8b5e..f3616a1d3 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -141,6 +141,8 @@
     "sortUpdateFailed": "Failed to update sort order",
     "configureUsage": "Configure usage query",
     "officialPartner": "Official Partner",
+    "managedByHermes": "Hermes Managed",
+    "managedByHermesHint": "Defined in Hermes' providers: dict. Edit or remove it via Hermes Web UI.",
     "openTerminal": "Open Terminal",
     "terminalOpened": "Terminal opened",
     "terminalOpenFailed": "Failed to open terminal",
diff --git a/src/i18n/locales/ja.json b/src/i18n/locales/ja.json
index 657a12fe6..1389b7ce6 100644
--- a/src/i18n/locales/ja.json
+++ b/src/i18n/locales/ja.json
@@ -141,6 +141,8 @@
     "sortUpdateFailed": "並び順の更新に失敗しました",
     "configureUsage": "利用状況を設定",
     "officialPartner": "公式パートナー",
+    "managedByHermes": "Hermes 管理",
+    "managedByHermesHint": "Hermes の providers: dict で定義されています。Hermes Web UI で編集または削除してください。",
     "openTerminal": "ターミナルを開く",
     "terminalOpened": "ターミナルを開きました",
     "terminalOpenFailed": "ターミナルを開けませんでした",
diff --git a/src/i18n/locales/zh.json b/src/i18n/locales/zh.json
index 7017fab4e..74ec9e379 100644
--- a/src/i18n/locales/zh.json
+++ b/src/i18n/locales/zh.json
@@ -141,6 +141,8 @@
     "sortUpdateFailed": "排序更新失败",
     "configureUsage": "配置用量查询",
     "officialPartner": "官方合作伙伴",
+    "managedByHermes": "Hermes 托管",
+    "managedByHermesHint": "该条目定义在 Hermes 的 providers: dict，请在 Hermes Web UI 中编辑或删除。",
     "openTerminal": "打开终端",
     "terminalOpened": "终端已打开",
     "terminalOpenFailed": "打开终端失败",