diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index b532672..b88ed77 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -148,6 +148,8 @@
     "excluded_models_placeholder": "Comma or newline separated, e.g. gemini-1.5-pro, gemini-1.5-flash",
     "excluded_models_hint": "Leave empty to allow all models; values are trimmed and deduplicated automatically.",
     "excluded_models_count": "Excluding {count} models",
+    "config_toggle_label": "Enabled",
+    "config_disabled_badge": "Disabled",
     "codex_title": "Codex API Configuration",
     "codex_add_button": "Add Configuration",
     "codex_empty_title": "No Codex Configuration",
@@ -636,6 +638,8 @@
     "claude_config_added": "Claude configuration added successfully",
     "claude_config_updated": "Claude configuration updated successfully",
     "claude_config_deleted": "Claude configuration deleted successfully",
+    "config_enabled": "Configuration enabled",
+    "config_disabled": "Configuration disabled",
     "field_required": "Required fields cannot be empty",
     "openai_provider_required": "Please fill in provider name and Base URL",
     "openai_provider_added": "OpenAI provider added successfully",
diff --git a/src/pages/AiProvidersPage.tsx b/src/pages/AiProvidersPage.tsx
index b946c77..bc05f74 100644
--- a/src/pages/AiProvidersPage.tsx
+++ b/src/pages/AiProvidersPage.tsx
@@ -54,6 +54,26 @@ interface AmpcodeFormState {
   mappingEntries: ModelEntry[];
 }
 
+const DISABLE_ALL_MODELS_RULE = '*';
+
+const hasDisableAllModelsRule = (models?: string[]) =>
+  Array.isArray(models) && models.some((model) => String(model ?? '').trim() === DISABLE_ALL_MODELS_RULE);
+
+const stripDisableAllModelsRule = (models?: string[]) =>
+  Array.isArray(models)
+    ? models.filter((model) => String(model ?? '').trim() !== DISABLE_ALL_MODELS_RULE)
+    : [];
+
+const withDisableAllModelsRule = (models?: string[]) => {
+  const base = stripDisableAllModelsRule(models);
+  return [...base, DISABLE_ALL_MODELS_RULE];
+};
+
+const withoutDisableAllModelsRule = (models?: string[]) => {
+  const base = stripDisableAllModelsRule(models);
+  return base;
+};
+
 const parseExcludedModels = (text: string): string[] =>
   text
     .split(/[\n,]+/)
@@ -213,6 +233,7 @@ export function AiProvidersPage() {
   const [openaiTestStatus, setOpenaiTestStatus] = useState<'idle' | 'loading' | 'success' | 'error'>('idle');
   const [openaiTestMessage, setOpenaiTestMessage] = useState('');
   const [saving, setSaving] = useState(false);
+  const [configSwitchingKey, setConfigSwitchingKey] = useState<string | null>(null);
 
   const disableControls = useMemo(() => connectionStatus !== 'connected', [connectionStatus]);
   const filteredOpenaiDiscoveryModels = useMemo(() => {
@@ -726,6 +747,90 @@ export function AiProvidersPage() {
     }
   };
 
+  const setConfigEnabled = async (
+    provider: 'gemini' | 'codex' | 'claude',
+    index: number,
+    enabled: boolean
+  ) => {
+    if (provider === 'gemini') {
+      const current = geminiKeys[index];
+      if (!current) return;
+
+      const switchingKey = `${provider}:${current.apiKey}`;
+      setConfigSwitchingKey(switchingKey);
+
+      const previousList = geminiKeys;
+      const nextExcluded = enabled
+        ? withoutDisableAllModelsRule(current.excludedModels)
+        : withDisableAllModelsRule(current.excludedModels);
+      const nextItem: GeminiKeyConfig = { ...current, excludedModels: nextExcluded };
+      const nextList = previousList.map((item, idx) => (idx === index ? nextItem : item));
+
+      setGeminiKeys(nextList);
+      updateConfigValue('gemini-api-key', nextList);
+      clearCache('gemini-api-key');
+
+      try {
+        await providersApi.saveGeminiKeys(nextList);
+        showNotification(enabled ? t('notification.config_enabled') : t('notification.config_disabled'), 'success');
+      } catch (err: any) {
+        setGeminiKeys(previousList);
+        updateConfigValue('gemini-api-key', previousList);
+        clearCache('gemini-api-key');
+        showNotification(`${t('notification.update_failed')}: ${err?.message || ''}`, 'error');
+      } finally {
+        setConfigSwitchingKey(null);
+      }
+      return;
+    }
+
+    const source = provider === 'codex' ? codexConfigs : claudeConfigs;
+    const current = source[index];
+    if (!current) return;
+
+    const switchingKey = `${provider}:${current.apiKey}`;
+    setConfigSwitchingKey(switchingKey);
+
+    const previousList = source;
+    const nextExcluded = enabled
+      ? withoutDisableAllModelsRule(current.excludedModels)
+      : withDisableAllModelsRule(current.excludedModels);
+    const nextItem: ProviderKeyConfig = { ...current, excludedModels: nextExcluded };
+    const nextList = previousList.map((item, idx) => (idx === index ? nextItem : item));
+
+    if (provider === 'codex') {
+      setCodexConfigs(nextList);
+      updateConfigValue('codex-api-key', nextList);
+      clearCache('codex-api-key');
+    } else {
+      setClaudeConfigs(nextList);
+      updateConfigValue('claude-api-key', nextList);
+      clearCache('claude-api-key');
+    }
+
+    try {
+      if (provider === 'codex') {
+        await providersApi.saveCodexConfigs(nextList);
+      } else {
+        await providersApi.saveClaudeConfigs(nextList);
+      }
+      showNotification(enabled ? t('notification.config_enabled') : t('notification.config_disabled'), 'success');
+    } catch (err: any) {
+      if (provider === 'codex') {
+        setCodexConfigs(previousList);
+        updateConfigValue('codex-api-key', previousList);
+        clearCache('codex-api-key');
+      } else {
+        setClaudeConfigs(previousList);
+        updateConfigValue('claude-api-key', previousList);
+        clearCache('claude-api-key');
+      }
+      showNotification(`${t('notification.update_failed')}: ${err?.message || ''}`, 'error');
+    } finally {
+      setConfigSwitchingKey(null);
+    }
+  };
+
   const saveProvider = async (type: 'codex' | 'claude') => {
     const baseUrl = (providerForm.baseUrl ?? '').trim();
     if (!baseUrl) {
@@ -735,6 +840,8 @@ export function AiProvidersPage() {
 
     setSaving(true);
     try {
+      const source = type === 'codex' ? codexConfigs : claudeConfigs;
+
       const payload: ProviderKeyConfig = {
         apiKey: providerForm.apiKey.trim(),
         baseUrl,
@@ -744,7 +851,6 @@ export function AiProvidersPage() {
         excludedModels: parseExcludedModels(providerForm.excludedText)
       };
 
-      const source = type === 'codex' ? codexConfigs : claudeConfigs;
       const nextList =
         modal?.type === type && modal.index !== null
           ? source.map((item, idx) => (idx === modal.index ? payload : item))
@@ -908,7 +1014,11 @@ export function AiProvidersPage() {
     onEdit: (index: number) => void,
     onDelete: (item: T) => void,
     addLabel: string,
-    deleteLabel?: string
+    deleteLabel?: string,
+    options?: {
+      getRowDisabled?: (item: T, index: number) => boolean;
+      renderExtraActions?: (item: T, index: number) => ReactNode;
+    }
   ) => {
     if (loading) {
       return <div className="hint">{t('common.loading')}</div>;
@@ -930,19 +1040,33 @@ export function AiProvidersPage() {
 
     return (
       <div className="item-list">
-        {items.map((item, index) => (
-          <div key={keyField(item)} className="item-row">
-            <div className="item-meta">{renderContent(item, index)}</div>
-            <div className="item-actions">
-              <Button variant="secondary" size="sm" onClick={() => onEdit(index)} disabled={disableControls}>
-                {t('common.edit')}
-              </Button>
-              <Button variant="danger" size="sm" onClick={() => onDelete(item)} disabled={disableControls}>
-                {deleteLabel || t('common.delete')}
-              </Button>
+        {items.map((item, index) => {
+          const rowDisabled = options?.getRowDisabled ? options.getRowDisabled(item, index) : false;
+          return (
+            <div key={keyField(item)} className="item-row" style={rowDisabled ? { opacity: 0.6 } : undefined}>
+              <div className="item-meta">{renderContent(item, index)}</div>
+              <div className="item-actions">
+                {options?.renderExtraActions ? options.renderExtraActions(item, index) : null}
+                <Button
+                  variant="secondary"
+                  size="sm"
+                  onClick={() => onEdit(index)}
+                  disabled={disableControls || saving || Boolean(configSwitchingKey)}
+                >
+                  {t('common.edit')}
+                </Button>
+                <Button
+                  variant="danger"
+                  size="sm"
+                  onClick={() => onDelete(item)}
+                  disabled={disableControls || saving || Boolean(configSwitchingKey)}
+                >
+                  {deleteLabel || t('common.delete')}
+                </Button>
+              </div>
             </div>
-          </div>
-        ))}
+          );
+        })}
       </div>
     );
   };
@@ -954,7 +1078,11 @@ export function AiProvidersPage() {
       <Card
         title={t('ai_providers.gemini_title')}
         extra={
-          <Button size="sm" onClick={() => openGeminiModal(null)} disabled={disableControls}>
+          <Button
+            size="sm"
+            onClick={() => openGeminiModal(null)}
+            disabled={disableControls || saving || Boolean(configSwitchingKey)}
+          >
             {t('ai_providers.gemini_add_button')}
           </Button>
         }
@@ -962,10 +1090,12 @@ export function AiProvidersPage() {
         {renderList<GeminiKeyConfig>(
           geminiKeys,
           (item) => item.apiKey,
-          (item, index) => {
-            const stats = getStatsBySource(item.apiKey, keyStats, maskApiKey);
-            const headerEntries = Object.entries(item.headers || {});
-            return (
+	          (item, index) => {
+	            const stats = getStatsBySource(item.apiKey, keyStats, maskApiKey);
+	            const headerEntries = Object.entries(item.headers || {});
+	            const configDisabled = hasDisableAllModelsRule(item.excludedModels);
+	            const excludedModels = item.excludedModels ?? [];
+	            return (
               <Fragment>
                 <div className="item-title">
                   {t('ai_providers.gemini_item_title')} #{index + 1}
@@ -992,14 +1122,19 @@ export function AiProvidersPage() {
                     ))}
                   </div>
                 )}
+                {configDisabled && (
+                  <div className="status-badge warning" style={{ marginTop: 8, marginBottom: 0 }}>
+                    {t('ai_providers.config_disabled_badge')}
+                  </div>
+                )}
                 {/* 排除模型徽章 */}
-                {item.excludedModels?.length ? (
+                {excludedModels.length ? (
                   <div className={styles.excludedModelsSection}>
                     <div className={styles.excludedModelsLabel}>
-                      {t('ai_providers.excluded_models_count', { count: item.excludedModels.length })}
+                      {t('ai_providers.excluded_models_count', { count: excludedModels.length })}
                     </div>
                     <div className={styles.modelTagList}>
-                      {item.excludedModels.map((model) => (
+                      {excludedModels.map((model) => (
                         <span key={model} className={`${styles.modelTag} ${styles.excludedModelTag}`}>
                           <span className={styles.modelName}>{model}</span>
                         </span>
@@ -1021,14 +1156,30 @@ export function AiProvidersPage() {
           },
           (index) => openGeminiModal(index),
           (item) => deleteGemini(item.apiKey),
-          t('ai_providers.gemini_add_button')
+          t('ai_providers.gemini_add_button'),
+          undefined,
+          {
+            getRowDisabled: (item) => hasDisableAllModelsRule(item.excludedModels),
+            renderExtraActions: (item, index) => (
+              <ToggleSwitch
+                label={t('ai_providers.config_toggle_label')}
+                checked={!hasDisableAllModelsRule(item.excludedModels)}
+                disabled={disableControls || loading || saving || Boolean(configSwitchingKey)}
+                onChange={(value) => void setConfigEnabled('gemini', index, value)}
+              />
+            )
+          }
         )}
       </Card>
 
       <Card
         title={t('ai_providers.codex_title')}
         extra={
-          <Button size="sm" onClick={() => openProviderModal('codex', null)} disabled={disableControls}>
+          <Button
+            size="sm"
+            onClick={() => openProviderModal('codex', null)}
+            disabled={disableControls || saving || Boolean(configSwitchingKey)}
+          >
             {t('ai_providers.codex_add_button')}
           </Button>
         }
@@ -1036,10 +1187,12 @@ export function AiProvidersPage() {
         {renderList<ProviderKeyConfig>(
           codexConfigs,
           (item) => item.apiKey,
-          (item, _index) => {
-            const stats = getStatsBySource(item.apiKey, keyStats, maskApiKey);
-            const headerEntries = Object.entries(item.headers || {});
-            return (
+	          (item, _index) => {
+	            const stats = getStatsBySource(item.apiKey, keyStats, maskApiKey);
+	            const headerEntries = Object.entries(item.headers || {});
+	            const configDisabled = hasDisableAllModelsRule(item.excludedModels);
+	            const excludedModels = item.excludedModels ?? [];
+	            return (
               <Fragment>
                 <div className="item-title">{t('ai_providers.codex_item_title')}</div>
                 {/* API Key 行 */}
@@ -1071,14 +1224,19 @@ export function AiProvidersPage() {
                     ))}
                   </div>
                 )}
+                {configDisabled && (
+                  <div className="status-badge warning" style={{ marginTop: 8, marginBottom: 0 }}>
+                    {t('ai_providers.config_disabled_badge')}
+                  </div>
+                )}
                 {/* 排除模型徽章 */}
-                {item.excludedModels?.length ? (
+                {excludedModels.length ? (
                   <div className={styles.excludedModelsSection}>
                     <div className={styles.excludedModelsLabel}>
-                      {t('ai_providers.excluded_models_count', { count: item.excludedModels.length })}
+                      {t('ai_providers.excluded_models_count', { count: excludedModels.length })}
                     </div>
                     <div className={styles.modelTagList}>
-                      {item.excludedModels.map((model) => (
+                      {excludedModels.map((model) => (
                         <span key={model} className={`${styles.modelTag} ${styles.excludedModelTag}`}>
                           <span className={styles.modelName}>{model}</span>
                         </span>
@@ -1100,14 +1258,30 @@ export function AiProvidersPage() {
           },
           (index) => openProviderModal('codex', index),
           (item) => deleteProviderEntry('codex', item.apiKey),
-          t('ai_providers.codex_add_button')
+          t('ai_providers.codex_add_button'),
+          undefined,
+          {
+            getRowDisabled: (item) => hasDisableAllModelsRule(item.excludedModels),
+            renderExtraActions: (item, index) => (
+              <ToggleSwitch
+                label={t('ai_providers.config_toggle_label')}
+                checked={!hasDisableAllModelsRule(item.excludedModels)}
+                disabled={disableControls || loading || saving || Boolean(configSwitchingKey)}
+                onChange={(value) => void setConfigEnabled('codex', index, value)}
+              />
+            )
+          }
         )}
       </Card>
 
       <Card
         title={t('ai_providers.claude_title')}
         extra={
-          <Button size="sm" onClick={() => openProviderModal('claude', null)} disabled={disableControls}>
+          <Button
+            size="sm"
+            onClick={() => openProviderModal('claude', null)}
+            disabled={disableControls || saving || Boolean(configSwitchingKey)}
+          >
             {t('ai_providers.claude_add_button')}
           </Button>
         }
@@ -1115,10 +1289,12 @@ export function AiProvidersPage() {
         {renderList<ProviderKeyConfig>(
           claudeConfigs,
           (item) => item.apiKey,
-          (item, _index) => {
-            const stats = getStatsBySource(item.apiKey, keyStats, maskApiKey);
-            const headerEntries = Object.entries(item.headers || {});
-            return (
+	          (item, _index) => {
+	            const stats = getStatsBySource(item.apiKey, keyStats, maskApiKey);
+	            const headerEntries = Object.entries(item.headers || {});
+	            const configDisabled = hasDisableAllModelsRule(item.excludedModels);
+	            const excludedModels = item.excludedModels ?? [];
+	            return (
               <Fragment>
                 <div className="item-title">{t('ai_providers.claude_item_title')}</div>
                 {/* API Key 行 */}
@@ -1150,6 +1326,11 @@ export function AiProvidersPage() {
                     ))}
                   </div>
                 )}
+                {configDisabled && (
+                  <div className="status-badge warning" style={{ marginTop: 8, marginBottom: 0 }}>
+                    {t('ai_providers.config_disabled_badge')}
+                  </div>
+                )}
                 {/* 模型列表 */}
                 {item.models?.length ? (
                   <div className={styles.modelTagList}>
@@ -1167,13 +1348,13 @@ export function AiProvidersPage() {
                   </div>
                 ) : null}
                 {/* 排除模型徽章 */}
-                {item.excludedModels?.length ? (
+                {excludedModels.length ? (
                   <div className={styles.excludedModelsSection}>
                     <div className={styles.excludedModelsLabel}>
-                      {t('ai_providers.excluded_models_count', { count: item.excludedModels.length })}
+                      {t('ai_providers.excluded_models_count', { count: excludedModels.length })}
                     </div>
                     <div className={styles.modelTagList}>
-                      {item.excludedModels.map((model) => (
+                      {excludedModels.map((model) => (
                         <span key={model} className={`${styles.modelTag} ${styles.excludedModelTag}`}>
                           <span className={styles.modelName}>{model}</span>
                         </span>
@@ -1195,14 +1376,30 @@ export function AiProvidersPage() {
           },
           (index) => openProviderModal('claude', index),
           (item) => deleteProviderEntry('claude', item.apiKey),
-          t('ai_providers.claude_add_button')
+          t('ai_providers.claude_add_button'),
+          undefined,
+          {
+            getRowDisabled: (item) => hasDisableAllModelsRule(item.excludedModels),
+            renderExtraActions: (item, index) => (
+              <ToggleSwitch
+                label={t('ai_providers.config_toggle_label')}
+                checked={!hasDisableAllModelsRule(item.excludedModels)}
+                disabled={disableControls || loading || saving || Boolean(configSwitchingKey)}
+                onChange={(value) => void setConfigEnabled('claude', index, value)}
+              />
+            )
+          }
         )}
       </Card>
 
       <Card
         title={t('ai_providers.ampcode_title')}
         extra={
-          <Button size="sm" onClick={openAmpcodeModal} disabled={disableControls}>
+          <Button
+            size="sm"
+            onClick={openAmpcodeModal}
+            disabled={disableControls || saving || ampcodeSaving || Boolean(configSwitchingKey)}
+          >
             {t('common.edit')}
           </Button>
         }
@@ -1259,7 +1456,11 @@ export function AiProvidersPage() {
       <Card
         title={t('ai_providers.openai_title')}
         extra={
-          <Button size="sm" onClick={() => openOpenaiModal(null)} disabled={disableControls}>
+          <Button
+            size="sm"
+            onClick={() => openOpenaiModal(null)}
+            disabled={disableControls || saving || Boolean(configSwitchingKey)}
+          >
             {t('ai_providers.openai_add_button')}
           </Button>
         }