diff --git a/packages/cli/src/commands/extensions/disable.ts b/packages/cli/src/commands/extensions/disable.ts
index 35be4aa8c..92ebd6fa8 100644
--- a/packages/cli/src/commands/extensions/disable.ts
+++ b/packages/cli/src/commands/extensions/disable.ts
@@ -8,6 +8,7 @@ import { type CommandModule } from 'yargs';
 import { SettingScope } from '../../config/settings.js';
 import { getErrorMessage } from '../../utils/errors.js';
 import { getExtensionManager } from './utils.js';
+import { t } from '../../i18n/index.js';
 
 interface DisableArgs {
   name: string;
@@ -23,7 +24,10 @@ export async function handleDisable(args: DisableArgs) {
       extensionManager.disableExtension(args.name, SettingScope.User);
     }
     console.log(
-      `Extension "${args.name}" successfully disabled for scope "${args.scope}".`,
+      t('Extension "{{name}}" successfully disabled for scope "{{scope}}".', {
+        name: args.name,
+        scope: args.scope || SettingScope.User,
+      }),
     );
   } catch (error) {
     console.error(getErrorMessage(error));
@@ -33,15 +37,15 @@ export async function handleDisable(args: DisableArgs) {
 
 export const disableCommand: CommandModule = {
   command: 'disable [--scope] <name>',
-  describe: 'Disables an extension.',
+  describe: t('Disables an extension.'),
   builder: (yargs) =>
     yargs
       .positional('name', {
-        describe: 'The name of the extension to disable.',
+        describe: t('The name of the extension to disable.'),
         type: 'string',
       })
       .option('scope', {
-        describe: 'The scope to disable the extenison in.',
+        describe: t('The scope to disable the extenison in.'),
         type: 'string',
         default: SettingScope.User,
       })
@@ -53,11 +57,12 @@ export const disableCommand: CommandModule = {
             .includes((argv.scope as string).toLowerCase())
         ) {
           throw new Error(
-            `Invalid scope: ${argv.scope}. Please use one of ${Object.values(
-              SettingScope,
-            )
-              .map((s) => s.toLowerCase())
-              .join(', ')}.`,
+            t('Invalid scope: {{scope}}. Please use one of {{scopes}}.', {
+              scope: argv.scope as string,
+              scopes: Object.values(SettingScope)
+                .map((s) => s.toLowerCase())
+                .join(', '),
+            }),
           );
         }
         return true;
diff --git a/packages/cli/src/commands/extensions/enable.ts b/packages/cli/src/commands/extensions/enable.ts
index 228610527..b36e50ac9 100644
--- a/packages/cli/src/commands/extensions/enable.ts
+++ b/packages/cli/src/commands/extensions/enable.ts
@@ -8,6 +8,7 @@ import { type CommandModule } from 'yargs';
 import { FatalConfigError, getErrorMessage } from '@qwen-code/qwen-code-core';
 import { SettingScope } from '../../config/settings.js';
 import { getExtensionManager } from './utils.js';
+import { t } from '../../i18n/index.js';
 
 interface EnableArgs {
   name: string;
@@ -25,11 +26,16 @@ export async function handleEnable(args: EnableArgs) {
     }
     if (args.scope) {
       console.log(
-        `Extension "${args.name}" successfully enabled for scope "${args.scope}".`,
+        t('Extension "{{name}}" successfully enabled for scope "{{scope}}".', {
+          name: args.name,
+          scope: args.scope,
+        }),
       );
     } else {
       console.log(
-        `Extension "${args.name}" successfully enabled in all scopes.`,
+        t('Extension "{{name}}" successfully enabled in all scopes.', {
+          name: args.name,
+        }),
       );
     }
   } catch (error) {
@@ -39,16 +45,17 @@ export async function handleEnable(args: EnableArgs) {
 
 export const enableCommand: CommandModule = {
   command: 'enable [--scope] <name>',
-  describe: 'Enables an extension.',
+  describe: t('Enables an extension.'),
   builder: (yargs) =>
     yargs
       .positional('name', {
-        describe: 'The name of the extension to enable.',
+        describe: t('The name of the extension to enable.'),
         type: 'string',
       })
       .option('scope', {
-        describe:
+        describe: t(
           'The scope to enable the extenison in. If not set, will be enabled in all scopes.',
+        ),
         type: 'string',
       })
       .check((argv) => {
@@ -59,11 +66,12 @@ export const enableCommand: CommandModule = {
             .includes((argv.scope as string).toLowerCase())
         ) {
           throw new Error(
-            `Invalid scope: ${argv.scope}. Please use one of ${Object.values(
-              SettingScope,
-            )
-              .map((s) => s.toLowerCase())
-              .join(', ')}.`,
+            t('Invalid scope: {{scope}}. Please use one of {{scopes}}.', {
+              scope: argv.scope as string,
+              scopes: Object.values(SettingScope)
+                .map((s) => s.toLowerCase())
+                .join(', '),
+            }),
           );
         }
         return true;
diff --git a/packages/cli/src/commands/extensions/install.ts b/packages/cli/src/commands/extensions/install.ts
index 64b89003c..6a9ce4929 100644
--- a/packages/cli/src/commands/extensions/install.ts
+++ b/packages/cli/src/commands/extensions/install.ts
@@ -17,6 +17,7 @@ import {
   requestConsentOrFail,
   requestConsentNonInteractive,
 } from './consent.js';
+import { t } from '../../i18n/index.js';
 
 interface InstallArgs {
   source: string;
@@ -36,7 +37,9 @@ export async function handleInstall(args: InstallArgs) {
     ) {
       if (args.ref || args.autoUpdate) {
         throw new Error(
-          '--ref and --auto-update are not applicable for marketplace extensions.',
+          t(
+            '--ref and --auto-update are not applicable for marketplace extensions.',
+          ),
         );
       }
     }
@@ -64,7 +67,9 @@ export async function handleInstall(args: InstallArgs) {
       requestConsent,
     );
     console.log(
-      `Extension "${extension.name}" installed successfully and enabled.`,
+      t('Extension "{{name}}" installed successfully and enabled.', {
+        name: extension.name,
+      }),
     );
   } catch (error) {
     console.error(getErrorMessage(error));
@@ -74,37 +79,40 @@ export async function handleInstall(args: InstallArgs) {
 
 export const installCommand: CommandModule = {
   command: 'install <source>',
-  describe:
+  describe: t(
     'Installs an extension from a git repository URL, local path, or claude marketplace (marketplace-url:plugin-name).',
+  ),
   builder: (yargs) =>
     yargs
       .positional('source', {
-        describe:
+        describe: t(
           'The github URL, local path, or marketplace source (marketplace-url:plugin-name) of the extension to install.',
+        ),
         type: 'string',
         demandOption: true,
       })
       .option('ref', {
-        describe: 'The git ref to install from.',
+        describe: t('The git ref to install from.'),
         type: 'string',
       })
       .option('auto-update', {
-        describe: 'Enable auto-update for this extension.',
+        describe: t('Enable auto-update for this extension.'),
         type: 'boolean',
       })
       .option('pre-release', {
-        describe: 'Enable pre-release versions for this extension.',
+        describe: t('Enable pre-release versions for this extension.'),
         type: 'boolean',
       })
       .option('consent', {
-        describe:
+        describe: t(
           'Acknowledge the security risks of installing an extension and skip the confirmation prompt.',
+        ),
         type: 'boolean',
         default: false,
       })
       .check((argv) => {
         if (!argv.source) {
-          throw new Error('The source argument must be provided.');
+          throw new Error(t('The source argument must be provided.'));
         }
         return true;
       }),
diff --git a/packages/cli/src/commands/extensions/link.ts b/packages/cli/src/commands/extensions/link.ts
index 5baeee3f2..545899cda 100644
--- a/packages/cli/src/commands/extensions/link.ts
+++ b/packages/cli/src/commands/extensions/link.ts
@@ -12,6 +12,7 @@ import {
   requestConsentOrFail,
 } from './consent.js';
 import { getExtensionManager } from './utils.js';
+import { t } from '../../i18n/index.js';
 
 interface InstallArgs {
   path: string;
@@ -30,11 +31,13 @@ export async function handleLink(args: InstallArgs) {
       requestConsentOrFail.bind(null, requestConsentNonInteractive),
     );
     if (!extension) {
-      console.log('Link extension failed to install.');
+      console.log(t('Link extension failed to install.'));
       return;
     }
     console.log(
-      `Extension "${extension.name}" linked successfully and enabled.`,
+      t('Extension "{{name}}" linked successfully and enabled.', {
+        name: extension.name,
+      }),
     );
   } catch (error) {
     console.error(getErrorMessage(error));
@@ -44,12 +47,13 @@ export async function handleLink(args: InstallArgs) {
 
 export const linkCommand: CommandModule = {
   command: 'link <path>',
-  describe:
+  describe: t(
     'Links an extension from a local path. Updates made to the local path will always be reflected.',
+  ),
   builder: (yargs) =>
     yargs
       .positional('path', {
-        describe: 'The name of the extension to link.',
+        describe: t('The name of the extension to link.'),
         type: 'string',
       })
       .check((_) => true),
diff --git a/packages/cli/src/commands/extensions/list.ts b/packages/cli/src/commands/extensions/list.ts
index ef6545f20..9f8a3a7f6 100644
--- a/packages/cli/src/commands/extensions/list.ts
+++ b/packages/cli/src/commands/extensions/list.ts
@@ -7,6 +7,7 @@
 import type { CommandModule } from 'yargs';
 import { getErrorMessage } from '../../utils/errors.js';
 import { getExtensionManager } from './utils.js';
+import { t } from '../../i18n/index.js';
 
 export async function handleList() {
   try {
@@ -14,7 +15,7 @@ export async function handleList() {
     const extensions = extensionManager.getLoadedExtensions();
 
     if (!extensions || extensions.length === 0) {
-      console.log('No extensions installed.');
+      console.log(t('No extensions installed.'));
       return;
     }
     console.log(
@@ -32,7 +33,7 @@ export async function handleList() {
 
 export const listCommand: CommandModule = {
   command: 'list',
-  describe: 'Lists installed extensions.',
+  describe: t('Lists installed extensions.'),
   builder: (yargs) => yargs,
   handler: async () => {
     await handleList();
diff --git a/packages/cli/src/commands/extensions/settings.ts b/packages/cli/src/commands/extensions/settings.ts
index edcdadfd9..49baf2cc4 100644
--- a/packages/cli/src/commands/extensions/settings.ts
+++ b/packages/cli/src/commands/extensions/settings.ts
@@ -12,6 +12,7 @@ import {
   promptForSetting,
   updateSetting,
 } from '@qwen-code/qwen-code-core';
+import { t } from '../../i18n/index.js';
 
 // --- SET COMMAND ---
 interface SetArgs {
@@ -22,21 +23,21 @@ interface SetArgs {
 
 const setCommand: CommandModule<object, SetArgs> = {
   command: 'set [--scope] <name> <setting>',
-  describe: 'Set a specific setting for an extension.',
+  describe: t('Set a specific setting for an extension.'),
   builder: (yargs) =>
     yargs
       .positional('name', {
-        describe: 'Name of the extension to configure.',
+        describe: t('Name of the extension to configure.'),
         type: 'string',
         demandOption: true,
       })
       .positional('setting', {
-        describe: 'The setting to configure (name or env var).',
+        describe: t('The setting to configure (name or env var).'),
         type: 'string',
         demandOption: true,
       })
       .option('scope', {
-        describe: 'The scope to set the setting in.',
+        describe: t('The scope to set the setting in.'),
         type: 'string',
         choices: ['user', 'workspace'],
         default: 'user',
@@ -49,7 +50,7 @@ const setCommand: CommandModule<object, SetArgs> = {
     if (!extensions || extensions.length === 0) return;
     const extension = extensions.find((e) => e.name === name);
     if (!extension) {
-      console.log(`Extension "${name}" not found.`);
+      console.log(t('Extension "{{name}}" not found.', { name }));
       return;
     }
     await updateSetting(
@@ -69,10 +70,10 @@ interface ListArgs {
 
 const listCommand: CommandModule<object, ListArgs> = {
   command: 'list <name>',
-  describe: 'List all settings for an extension.',
+  describe: t('List all settings for an extension.'),
   builder: (yargs) =>
     yargs.positional('name', {
-      describe: 'Name of the extension.',
+      describe: t('Name of the extension.'),
       type: 'string',
       demandOption: true,
     }),
@@ -84,11 +85,13 @@ const listCommand: CommandModule<object, ListArgs> = {
     if (!extensions || extensions.length === 0) return;
     const extension = extensions.find((e) => e.name === name);
     if (!extension) {
-      console.log(`Extension "${name}" not found.`);
+      console.log(t('Extension "{{name}}" not found.', { name }));
       return;
     }
     if (!extension || !extension.settings || extension.settings.length === 0) {
-      console.log(`Extension "${name}" has no settings to configure.`);
+      console.log(
+        t('Extension "{{name}}" has no settings to configure.', { name }),
+      );
       return;
     }
 
@@ -104,29 +107,29 @@ const listCommand: CommandModule<object, ListArgs> = {
     );
     const mergedSettings = { ...userSettings, ...workspaceSettings };
 
-    console.log(`Settings for "${name}":`);
+    console.log(t('Settings for "{{name}}":', { name }));
     for (const setting of extension.settings) {
       const value = mergedSettings[setting.envVar];
       let displayValue: string;
       let scopeInfo = '';
 
       if (workspaceSettings[setting.envVar] !== undefined) {
-        scopeInfo = ' (workspace)';
+        scopeInfo = ' ' + t('(workspace)');
       } else if (userSettings[setting.envVar] !== undefined) {
-        scopeInfo = ' (user)';
+        scopeInfo = ' ' + t('(user)');
       }
 
       if (value === undefined) {
-        displayValue = '[not set]';
+        displayValue = t('[not set]');
       } else if (setting.sensitive) {
-        displayValue = '[value stored in keychain]';
+        displayValue = t('[value stored in keychain]');
       } else {
         displayValue = value;
       }
       console.log(`
 - ${setting.name} (${setting.envVar})`);
-      console.log(`  Description: ${setting.description}`);
-      console.log(`  Value: ${displayValue}${scopeInfo}`);
+      console.log(`  ${t('Description:')} ${setting.description}`);
+      console.log(`  ${t('Value:')} ${displayValue}${scopeInfo}`);
     }
   },
 };
@@ -134,12 +137,12 @@ const listCommand: CommandModule<object, ListArgs> = {
 // --- SETTINGS COMMAND ---
 export const settingsCommand: CommandModule = {
   command: 'settings <command>',
-  describe: 'Manage extension settings.',
+  describe: t('Manage extension settings.'),
   builder: (yargs) =>
     yargs
       .command(setCommand)
       .command(listCommand)
-      .demandCommand(1, 'You need to specify a command (set or list).')
+      .demandCommand(1, t('You need to specify a command (set or list).'))
       .version(false),
   handler: () => {
     // This handler is not called when a subcommand is provided.
diff --git a/packages/cli/src/commands/extensions/uninstall.ts b/packages/cli/src/commands/extensions/uninstall.ts
index 9d40f9d55..980472a68 100644
--- a/packages/cli/src/commands/extensions/uninstall.ts
+++ b/packages/cli/src/commands/extensions/uninstall.ts
@@ -13,6 +13,7 @@ import {
 } from './consent.js';
 import { isWorkspaceTrusted } from '../../config/trustedFolders.js';
 import { loadSettings } from '../../config/settings.js';
+import { t } from '../../i18n/index.js';
 
 interface UninstallArgs {
   name: string; // can be extension name or source URL.
@@ -33,7 +34,9 @@ export async function handleUninstall(args: UninstallArgs) {
     });
     await extensionManager.refreshCache();
     await extensionManager.uninstallExtension(args.name, false);
-    console.log(`Extension "${args.name}" successfully uninstalled.`);
+    console.log(
+      t('Extension "{{name}}" successfully uninstalled.', { name: args.name }),
+    );
   } catch (error) {
     console.error(getErrorMessage(error));
     process.exit(1);
@@ -42,17 +45,19 @@ export async function handleUninstall(args: UninstallArgs) {
 
 export const uninstallCommand: CommandModule = {
   command: 'uninstall <name>',
-  describe: 'Uninstalls an extension.',
+  describe: t('Uninstalls an extension.'),
   builder: (yargs) =>
     yargs
       .positional('name', {
-        describe: 'The name or source path of the extension to uninstall.',
+        describe: t('The name or source path of the extension to uninstall.'),
         type: 'string',
       })
       .check((argv) => {
         if (!argv.name) {
           throw new Error(
-            'Please include the name of the extension to uninstall as a positional argument.',
+            t(
+              'Please include the name of the extension to uninstall as a positional argument.',
+            ),
           );
         }
         return true;
diff --git a/packages/cli/src/commands/extensions/update.ts b/packages/cli/src/commands/extensions/update.ts
index d254cac5a..9325a25f1 100644
--- a/packages/cli/src/commands/extensions/update.ts
+++ b/packages/cli/src/commands/extensions/update.ts
@@ -12,6 +12,7 @@ import {
   type ExtensionUpdateInfo,
 } from '@qwen-code/qwen-code-core';
 import { getExtensionManager } from './utils.js';
+import { t } from '../../i18n/index.js';
 
 interface UpdateArgs {
   name?: string;
@@ -19,7 +20,14 @@ interface UpdateArgs {
 }
 
 const updateOutput = (info: ExtensionUpdateInfo) =>
-  `Extension "${info.name}" successfully updated: ${info.originalVersion} → ${info.updatedVersion}.`;
+  t(
+    'Extension "{{name}}" successfully updated: {{oldVersion}} → {{newVersion}}.',
+    {
+      name: info.name,
+      oldVersion: info.originalVersion,
+      newVersion: info.updatedVersion,
+    },
+  );
 
 export async function handleUpdate(args: UpdateArgs) {
   const extensionManager = await getExtensionManager();
@@ -31,12 +39,15 @@ export async function handleUpdate(args: UpdateArgs) {
         (extension) => extension.name === args.name,
       );
       if (!extension) {
-        console.log(`Extension "${args.name}" not found.`);
+        console.log(t('Extension "{{name}}" not found.', { name: args.name }));
         return;
       }
       if (!extension.installMetadata) {
         console.log(
-          `Unable to install extension "${args.name}" due to missing install metadata`,
+          t(
+            'Unable to install extension "{{name}}" due to missing install metadata',
+            { name: args.name },
+          ),
         );
         return;
       }
@@ -45,7 +56,9 @@ export async function handleUpdate(args: UpdateArgs) {
         extensionManager,
       );
       if (updateState !== ExtensionUpdateState.UPDATE_AVAILABLE) {
-        console.log(`Extension "${args.name}" is already up to date.`);
+        console.log(
+          t('Extension "{{name}}" is already up to date.', { name: args.name }),
+        );
         return;
       }
       // TODO(chrstnb): we should list extensions if the requested extension is not installed.
@@ -59,10 +72,19 @@ export async function handleUpdate(args: UpdateArgs) {
         updatedExtensionInfo.updatedVersion
       ) {
         console.log(
-          `Extension "${args.name}" successfully updated: ${updatedExtensionInfo.originalVersion} → ${updatedExtensionInfo.updatedVersion}.`,
+          t(
+            'Extension "{{name}}" successfully updated: {{oldVersion}} → {{newVersion}}.',
+            {
+              name: args.name,
+              oldVersion: updatedExtensionInfo.originalVersion,
+              newVersion: updatedExtensionInfo.updatedVersion,
+            },
+          ),
         );
       } else {
-        console.log(`Extension "${args.name}" is already up to date.`);
+        console.log(
+          t('Extension "{{name}}" is already up to date.', { name: args.name }),
+        );
       }
     } catch (error) {
       console.error(getErrorMessage(error));
@@ -87,7 +109,7 @@ export async function handleUpdate(args: UpdateArgs) {
         (info) => info.originalVersion !== info.updatedVersion,
       );
       if (updateInfos.length === 0) {
-        console.log('No extensions to update.');
+        console.log(t('No extensions to update.'));
         return;
       }
       console.log(updateInfos.map((info) => updateOutput(info)).join('\n'));
@@ -99,22 +121,25 @@ export async function handleUpdate(args: UpdateArgs) {
 
 export const updateCommand: CommandModule = {
   command: 'update [<name>] [--all]',
-  describe:
+  describe: t(
     'Updates all extensions or a named extension to the latest version.',
+  ),
   builder: (yargs) =>
     yargs
       .positional('name', {
-        describe: 'The name of the extension to update.',
+        describe: t('The name of the extension to update.'),
         type: 'string',
       })
       .option('all', {
-        describe: 'Update all extensions.',
+        describe: t('Update all extensions.'),
         type: 'boolean',
       })
       .conflicts('name', 'all')
       .check((argv) => {
         if (!argv.all && !argv.name) {
-          throw new Error('Either an extension name or --all must be provided');
+          throw new Error(
+            t('Either an extension name or --all must be provided'),
+          );
         }
         return true;
       }),
diff --git a/packages/cli/src/i18n/locales/de.js b/packages/cli/src/i18n/locales/de.js
index ba36414c6..b96ddda61 100644
--- a/packages/cli/src/i18n/locales/de.js
+++ b/packages/cli/src/i18n/locales/de.js
@@ -412,6 +412,91 @@ export default {
     'Diese Erweiterung wird folgende Unteragenten installieren:',
   'Installation cancelled for "{{name}}".':
     'Installation von "{{name}}" abgebrochen.',
+  '--ref and --auto-update are not applicable for marketplace extensions.':
+    '--ref und --auto-update sind nicht anwendbar für Marketplace-Erweiterungen.',
+  'Extension "{{name}}" installed successfully and enabled.':
+    'Erweiterung "{{name}}" erfolgreich installiert und aktiviert.',
+  'Installs an extension from a git repository URL, local path, or claude marketplace (marketplace-url:plugin-name).':
+    'Installiert eine Erweiterung von einer Git-Repository-URL, einem lokalen Pfad oder dem Claude-Marketplace (marketplace-url:plugin-name).',
+  'The github URL, local path, or marketplace source (marketplace-url:plugin-name) of the extension to install.':
+    'Die GitHub-URL, der lokale Pfad oder die Marketplace-Quelle (marketplace-url:plugin-name) der zu installierenden Erweiterung.',
+  'The git ref to install from.': 'Die Git-Referenz für die Installation.',
+  'Enable auto-update for this extension.':
+    'Automatisches Update für diese Erweiterung aktivieren.',
+  'Enable pre-release versions for this extension.':
+    'Pre-Release-Versionen für diese Erweiterung aktivieren.',
+  'Acknowledge the security risks of installing an extension and skip the confirmation prompt.':
+    'Sicherheitsrisiken der Erweiterungsinstallation bestätigen und Bestätigungsaufforderung überspringen.',
+  'The source argument must be provided.':
+    'Das Quellargument muss angegeben werden.',
+  'Extension "{{name}}" successfully uninstalled.':
+    'Erweiterung "{{name}}" erfolgreich deinstalliert.',
+  'Uninstalls an extension.': 'Deinstalliert eine Erweiterung.',
+  'The name or source path of the extension to uninstall.':
+    'Der Name oder Quellpfad der zu deinstallierenden Erweiterung.',
+  'Please include the name of the extension to uninstall as a positional argument.':
+    'Bitte geben Sie den Namen der zu deinstallierenden Erweiterung als Positionsargument an.',
+  'Enables an extension.': 'Aktiviert eine Erweiterung.',
+  'The name of the extension to enable.':
+    'Der Name der zu aktivierenden Erweiterung.',
+  'The scope to enable the extenison in. If not set, will be enabled in all scopes.':
+    'Der Bereich, in dem die Erweiterung aktiviert werden soll. Wenn nicht gesetzt, wird sie in allen Bereichen aktiviert.',
+  'Extension "{{name}}" successfully enabled for scope "{{scope}}".':
+    'Erweiterung "{{name}}" erfolgreich für Bereich "{{scope}}" aktiviert.',
+  'Extension "{{name}}" successfully enabled in all scopes.':
+    'Erweiterung "{{name}}" erfolgreich in allen Bereichen aktiviert.',
+  'Invalid scope: {{scope}}. Please use one of {{scopes}}.':
+    'Ungültiger Bereich: {{scope}}. Bitte verwenden Sie einen von {{scopes}}.',
+  'Disables an extension.': 'Deaktiviert eine Erweiterung.',
+  'The name of the extension to disable.':
+    'Der Name der zu deaktivierenden Erweiterung.',
+  'The scope to disable the extenison in.':
+    'Der Bereich, in dem die Erweiterung deaktiviert werden soll.',
+  'Extension "{{name}}" successfully disabled for scope "{{scope}}".':
+    'Erweiterung "{{name}}" erfolgreich für Bereich "{{scope}}" deaktiviert.',
+  'Extension "{{name}}" successfully updated: {{oldVersion}} → {{newVersion}}.':
+    'Erweiterung "{{name}}" erfolgreich aktualisiert: {{oldVersion}} → {{newVersion}}.',
+  'Unable to install extension "{{name}}" due to missing install metadata':
+    'Erweiterung "{{name}}" kann aufgrund fehlender Installationsmetadaten nicht installiert werden',
+  'Extension "{{name}}" is already up to date.':
+    'Erweiterung "{{name}}" ist bereits aktuell.',
+  'Updates all extensions or a named extension to the latest version.':
+    'Aktualisiert alle Erweiterungen oder eine benannte Erweiterung auf die neueste Version.',
+  'The name of the extension to update.':
+    'Der Name der zu aktualisierenden Erweiterung.',
+  'Update all extensions.': 'Alle Erweiterungen aktualisieren.',
+  'Either an extension name or --all must be provided':
+    'Entweder ein Erweiterungsname oder --all muss angegeben werden',
+  'Lists installed extensions.': 'Listet installierte Erweiterungen auf.',
+  'Link extension failed to install.':
+    'Verknüpfte Erweiterung konnte nicht installiert werden.',
+  'Extension "{{name}}" linked successfully and enabled.':
+    'Erweiterung "{{name}}" erfolgreich verknüpft und aktiviert.',
+  'Links an extension from a local path. Updates made to the local path will always be reflected.':
+    'Verknüpft eine Erweiterung von einem lokalen Pfad. Änderungen am lokalen Pfad werden immer widergespiegelt.',
+  'The name of the extension to link.':
+    'Der Name der zu verknüpfenden Erweiterung.',
+  'Set a specific setting for an extension.':
+    'Legt eine bestimmte Einstellung für eine Erweiterung fest.',
+  'Name of the extension to configure.':
+    'Name der zu konfigurierenden Erweiterung.',
+  'The setting to configure (name or env var).':
+    'Die zu konfigurierende Einstellung (Name oder Umgebungsvariable).',
+  'The scope to set the setting in.':
+    'Der Bereich, in dem die Einstellung gesetzt werden soll.',
+  'List all settings for an extension.':
+    'Listet alle Einstellungen einer Erweiterung auf.',
+  'Name of the extension.': 'Name der Erweiterung.',
+  'Extension "{{name}}" has no settings to configure.':
+    'Erweiterung "{{name}}" hat keine zu konfigurierenden Einstellungen.',
+  'Settings for "{{name}}":': 'Einstellungen für "{{name}}":',
+  '(workspace)': '(Arbeitsbereich)',
+  '(user)': '(Benutzer)',
+  '[not set]': '[nicht gesetzt]',
+  '[value stored in keychain]': '[Wert in Schlüsselbund gespeichert]',
+  'Manage extension settings.': 'Erweiterungseinstellungen verwalten.',
+  'You need to specify a command (set or list).':
+    'Sie müssen einen Befehl angeben (set oder list).',
   'manage IDE integration': 'IDE-Integration verwalten',
   'check status of IDE integration': 'Status der IDE-Integration prüfen',
   'install required IDE companion for {{ideName}}':
diff --git a/packages/cli/src/i18n/locales/en.js b/packages/cli/src/i18n/locales/en.js
index 8736a1ae3..08c6ed5d0 100644
--- a/packages/cli/src/i18n/locales/en.js
+++ b/packages/cli/src/i18n/locales/en.js
@@ -406,6 +406,85 @@ export default {
     'This extension will install the following subagents:',
   'Installation cancelled for "{{name}}".':
     'Installation cancelled for "{{name}}".',
+  '--ref and --auto-update are not applicable for marketplace extensions.':
+    '--ref and --auto-update are not applicable for marketplace extensions.',
+  'Extension "{{name}}" installed successfully and enabled.':
+    'Extension "{{name}}" installed successfully and enabled.',
+  'Installs an extension from a git repository URL, local path, or claude marketplace (marketplace-url:plugin-name).':
+    'Installs an extension from a git repository URL, local path, or claude marketplace (marketplace-url:plugin-name).',
+  'The github URL, local path, or marketplace source (marketplace-url:plugin-name) of the extension to install.':
+    'The github URL, local path, or marketplace source (marketplace-url:plugin-name) of the extension to install.',
+  'The git ref to install from.': 'The git ref to install from.',
+  'Enable auto-update for this extension.':
+    'Enable auto-update for this extension.',
+  'Enable pre-release versions for this extension.':
+    'Enable pre-release versions for this extension.',
+  'Acknowledge the security risks of installing an extension and skip the confirmation prompt.':
+    'Acknowledge the security risks of installing an extension and skip the confirmation prompt.',
+  'The source argument must be provided.':
+    'The source argument must be provided.',
+  'Extension "{{name}}" successfully uninstalled.':
+    'Extension "{{name}}" successfully uninstalled.',
+  'Uninstalls an extension.': 'Uninstalls an extension.',
+  'The name or source path of the extension to uninstall.':
+    'The name or source path of the extension to uninstall.',
+  'Please include the name of the extension to uninstall as a positional argument.':
+    'Please include the name of the extension to uninstall as a positional argument.',
+  'Enables an extension.': 'Enables an extension.',
+  'The name of the extension to enable.':
+    'The name of the extension to enable.',
+  'The scope to enable the extenison in. If not set, will be enabled in all scopes.':
+    'The scope to enable the extenison in. If not set, will be enabled in all scopes.',
+  'Extension "{{name}}" successfully enabled for scope "{{scope}}".':
+    'Extension "{{name}}" successfully enabled for scope "{{scope}}".',
+  'Extension "{{name}}" successfully enabled in all scopes.':
+    'Extension "{{name}}" successfully enabled in all scopes.',
+  'Invalid scope: {{scope}}. Please use one of {{scopes}}.':
+    'Invalid scope: {{scope}}. Please use one of {{scopes}}.',
+  'Disables an extension.': 'Disables an extension.',
+  'The name of the extension to disable.':
+    'The name of the extension to disable.',
+  'The scope to disable the extenison in.':
+    'The scope to disable the extenison in.',
+  'Extension "{{name}}" successfully disabled for scope "{{scope}}".':
+    'Extension "{{name}}" successfully disabled for scope "{{scope}}".',
+  'Extension "{{name}}" successfully updated: {{oldVersion}} → {{newVersion}}.':
+    'Extension "{{name}}" successfully updated: {{oldVersion}} → {{newVersion}}.',
+  'Unable to install extension "{{name}}" due to missing install metadata':
+    'Unable to install extension "{{name}}" due to missing install metadata',
+  'Extension "{{name}}" is already up to date.':
+    'Extension "{{name}}" is already up to date.',
+  'Updates all extensions or a named extension to the latest version.':
+    'Updates all extensions or a named extension to the latest version.',
+  'Update all extensions.': 'Update all extensions.',
+  'Either an extension name or --all must be provided':
+    'Either an extension name or --all must be provided',
+  'Lists installed extensions.': 'Lists installed extensions.',
+  'Link extension failed to install.': 'Link extension failed to install.',
+  'Extension "{{name}}" linked successfully and enabled.':
+    'Extension "{{name}}" linked successfully and enabled.',
+  'Links an extension from a local path. Updates made to the local path will always be reflected.':
+    'Links an extension from a local path. Updates made to the local path will always be reflected.',
+  'The name of the extension to link.': 'The name of the extension to link.',
+  'Set a specific setting for an extension.':
+    'Set a specific setting for an extension.',
+  'Name of the extension to configure.': 'Name of the extension to configure.',
+  'The setting to configure (name or env var).':
+    'The setting to configure (name or env var).',
+  'The scope to set the setting in.': 'The scope to set the setting in.',
+  'List all settings for an extension.': 'List all settings for an extension.',
+  'Name of the extension.': 'Name of the extension.',
+  'Extension "{{name}}" has no settings to configure.':
+    'Extension "{{name}}" has no settings to configure.',
+  'Settings for "{{name}}":': 'Settings for "{{name}}":',
+  '(workspace)': '(workspace)',
+  '(user)': '(user)',
+  '[not set]': '[not set]',
+  '[value stored in keychain]': '[value stored in keychain]',
+  'Value:': 'Value:',
+  'Manage extension settings.': 'Manage extension settings.',
+  'You need to specify a command (set or list).':
+    'You need to specify a command (set or list).',
   'manage IDE integration': 'manage IDE integration',
   'check status of IDE integration': 'check status of IDE integration',
   'install required IDE companion for {{ideName}}':
diff --git a/packages/cli/src/i18n/locales/ru.js b/packages/cli/src/i18n/locales/ru.js
index 596db3b08..42e2fa2ca 100644
--- a/packages/cli/src/i18n/locales/ru.js
+++ b/packages/cli/src/i18n/locales/ru.js
@@ -410,6 +410,84 @@ export default {
   'This extension will install the following subagents:':
     'Это расширение установит следующие подагенты:',
   'Installation cancelled for "{{name}}".': 'Установка "{{name}}" отменена.',
+  '--ref and --auto-update are not applicable for marketplace extensions.':
+    '--ref и --auto-update неприменимы для расширений из маркетплейса.',
+  'Extension "{{name}}" installed successfully and enabled.':
+    'Расширение "{{name}}" успешно установлено и включено.',
+  'Installs an extension from a git repository URL, local path, or claude marketplace (marketplace-url:plugin-name).':
+    'Устанавливает расширение из URL Git-репозитория, локального пути или маркетплейса Claude (marketplace-url:plugin-name).',
+  'The github URL, local path, or marketplace source (marketplace-url:plugin-name) of the extension to install.':
+    'URL GitHub, локальный путь или источник в маркетплейсе (marketplace-url:plugin-name) устанавливаемого расширения.',
+  'The git ref to install from.': 'Git-ссылка для установки.',
+  'Enable auto-update for this extension.':
+    'Включить автообновление для этого расширения.',
+  'Enable pre-release versions for this extension.':
+    'Включить пре-релизные версии для этого расширения.',
+  'Acknowledge the security risks of installing an extension and skip the confirmation prompt.':
+    'Подтвердить риски безопасности установки расширения и пропустить запрос подтверждения.',
+  'The source argument must be provided.':
+    'Необходимо указать аргумент источника.',
+  'Extension "{{name}}" successfully uninstalled.':
+    'Расширение "{{name}}" успешно удалено.',
+  'Uninstalls an extension.': 'Удаляет расширение.',
+  'The name or source path of the extension to uninstall.':
+    'Имя или путь к источнику удаляемого расширения.',
+  'Please include the name of the extension to uninstall as a positional argument.':
+    'Пожалуйста, укажите имя удаляемого расширения как позиционный аргумент.',
+  'Enables an extension.': 'Включает расширение.',
+  'The name of the extension to enable.': 'Имя включаемого расширения.',
+  'The scope to enable the extenison in. If not set, will be enabled in all scopes.':
+    'Область для включения расширения. Если не задана, будет включено во всех областях.',
+  'Extension "{{name}}" successfully enabled for scope "{{scope}}".':
+    'Расширение "{{name}}" успешно включено для области "{{scope}}".',
+  'Extension "{{name}}" successfully enabled in all scopes.':
+    'Расширение "{{name}}" успешно включено во всех областях.',
+  'Invalid scope: {{scope}}. Please use one of {{scopes}}.':
+    'Недопустимая область: {{scope}}. Пожалуйста, используйте одну из {{scopes}}.',
+  'Disables an extension.': 'Отключает расширение.',
+  'The name of the extension to disable.': 'Имя отключаемого расширения.',
+  'The scope to disable the extenison in.':
+    'Область для отключения расширения.',
+  'Extension "{{name}}" successfully disabled for scope "{{scope}}".':
+    'Расширение "{{name}}" успешно отключено для области "{{scope}}".',
+  'Extension "{{name}}" successfully updated: {{oldVersion}} → {{newVersion}}.':
+    'Расширение "{{name}}" успешно обновлено: {{oldVersion}} → {{newVersion}}.',
+  'Unable to install extension "{{name}}" due to missing install metadata':
+    'Невозможно установить расширение "{{name}}" из-за отсутствия метаданных установки',
+  'Extension "{{name}}" is already up to date.':
+    'Расширение "{{name}}" уже актуально.',
+  'Updates all extensions or a named extension to the latest version.':
+    'Обновляет все расширения или указанное расширение до последней версии.',
+  'The name of the extension to update.': 'Имя обновляемого расширения.',
+  'Update all extensions.': 'Обновить все расширения.',
+  'Either an extension name or --all must be provided':
+    'Необходимо указать имя расширения или --all',
+  'Lists installed extensions.': 'Показывает установленные расширения.',
+  'Link extension failed to install.':
+    'Не удалось установить связанное расширение.',
+  'Extension "{{name}}" linked successfully and enabled.':
+    'Расширение "{{name}}" успешно связано и включено.',
+  'Links an extension from a local path. Updates made to the local path will always be reflected.':
+    'Связывает расширение из локального пути. Изменения в локальном пути будут всегда отражаться.',
+  'The name of the extension to link.': 'Имя связываемого расширения.',
+  'Set a specific setting for an extension.':
+    'Установить конкретную настройку для расширения.',
+  'Name of the extension to configure.': 'Имя настраиваемого расширения.',
+  'The setting to configure (name or env var).':
+    'Настройка для конфигурирования (имя или переменная окружения).',
+  'The scope to set the setting in.': 'Область для установки настройки.',
+  'List all settings for an extension.': 'Показать все настройки расширения.',
+  'Name of the extension.': 'Имя расширения.',
+  'Extension "{{name}}" has no settings to configure.':
+    'Расширение "{{name}}" не имеет настроек для конфигурирования.',
+  'Settings for "{{name}}":': 'Настройки для "{{name}}":',
+  '(workspace)': '(рабочее пространство)',
+  '(user)': '(пользователь)',
+  '[not set]': '[не задано]',
+  '[value stored in keychain]': '[значение хранится в связке ключей]',
+  'Manage extension settings.': 'Управление настройками расширений.',
+  'You need to specify a command (set or list).':
+    'Необходимо указать команду (set или list).',
   'manage IDE integration': 'Управление интеграцией с IDE',
   'check status of IDE integration': 'Проверить статус интеграции с IDE',
   'install required IDE companion for {{ideName}}':
diff --git a/packages/cli/src/i18n/locales/zh.js b/packages/cli/src/i18n/locales/zh.js
index f8f3f4924..c33b47ed5 100644
--- a/packages/cli/src/i18n/locales/zh.js
+++ b/packages/cli/src/i18n/locales/zh.js
@@ -388,6 +388,78 @@ export default {
   'This extension will install the following subagents:':
     '此扩展将安装以下子代理：',
   'Installation cancelled for "{{name}}".': '已取消安装 "{{name}}"。',
+  '--ref and --auto-update are not applicable for marketplace extensions.':
+    '--ref 和 --auto-update 不适用于市场扩展。',
+  'Extension "{{name}}" installed successfully and enabled.':
+    '扩展 "{{name}}" 安装成功并已启用。',
+  'Installs an extension from a git repository URL, local path, or claude marketplace (marketplace-url:plugin-name).':
+    '从 Git 仓库 URL、本地路径或 Claude 市场（marketplace-url:plugin-name）安装扩展。',
+  'The github URL, local path, or marketplace source (marketplace-url:plugin-name) of the extension to install.':
+    '要安装的扩展的 GitHub URL、本地路径或市场源（marketplace-url:plugin-name）。',
+  'The git ref to install from.': '要安装的 Git 引用。',
+  'Enable auto-update for this extension.': '为此扩展启用自动更新。',
+  'Enable pre-release versions for this extension.': '为此扩展启用预发布版本。',
+  'Acknowledge the security risks of installing an extension and skip the confirmation prompt.':
+    '确认安装扩展的安全风险并跳过确认提示。',
+  'The source argument must be provided.': '必须提供来源参数。',
+  'Extension "{{name}}" successfully uninstalled.':
+    '扩展 "{{name}}" 卸载成功。',
+  'Uninstalls an extension.': '卸载扩展。',
+  'The name or source path of the extension to uninstall.':
+    '要卸载的扩展的名称或源路径。',
+  'Please include the name of the extension to uninstall as a positional argument.':
+    '请将要卸载的扩展名称作为位置参数。',
+  'Enables an extension.': '启用扩展。',
+  'The name of the extension to enable.': '要启用的扩展名称。',
+  'The scope to enable the extenison in. If not set, will be enabled in all scopes.':
+    '启用扩展的作用域。如果未设置，将在所有作用域中启用。',
+  'Extension "{{name}}" successfully enabled for scope "{{scope}}".':
+    '扩展 "{{name}}" 已在作用域 "{{scope}}" 中启用。',
+  'Extension "{{name}}" successfully enabled in all scopes.':
+    '扩展 "{{name}}" 已在所有作用域中启用。',
+  'Invalid scope: {{scope}}. Please use one of {{scopes}}.':
+    '无效的作用域：{{scope}}。请使用 {{scopes}} 之一。',
+  'Disables an extension.': '禁用扩展。',
+  'The name of the extension to disable.': '要禁用的扩展名称。',
+  'The scope to disable the extenison in.': '禁用扩展的作用域。',
+  'Extension "{{name}}" successfully disabled for scope "{{scope}}".':
+    '扩展 "{{name}}" 已在作用域 "{{scope}}" 中禁用。',
+  'Extension "{{name}}" successfully updated: {{oldVersion}} → {{newVersion}}.':
+    '扩展 "{{name}}" 更新成功：{{oldVersion}} → {{newVersion}}。',
+  'Unable to install extension "{{name}}" due to missing install metadata':
+    '由于缺少安装元数据，无法安装扩展 "{{name}}"',
+  'Extension "{{name}}" is already up to date.':
+    '扩展 "{{name}}" 已是最新版本。',
+  'Updates all extensions or a named extension to the latest version.':
+    '将所有扩展或指定扩展更新到最新版本。',
+  'The name of the extension to update.': '要更新的扩展名称。',
+  'Update all extensions.': '更新所有扩展。',
+  'Either an extension name or --all must be provided':
+    '必须提供扩展名称或 --all',
+  'Lists installed extensions.': '列出已安装的扩展。',
+  'Link extension failed to install.': '链接扩展安装失败。',
+  'Extension "{{name}}" linked successfully and enabled.':
+    '扩展 "{{name}}" 链接成功并已启用。',
+  'Links an extension from a local path. Updates made to the local path will always be reflected.':
+    '从本地路径链接扩展。对本地路径的更新将始终反映。',
+  'The name of the extension to link.': '要链接的扩展名称。',
+  'Set a specific setting for an extension.': '为扩展设置特定配置。',
+  'Name of the extension to configure.': '要配置的扩展名称。',
+  'The setting to configure (name or env var).':
+    '要配置的设置（名称或环境变量）。',
+  'The scope to set the setting in.': '设置配置的作用域。',
+  'List all settings for an extension.': '列出扩展的所有设置。',
+  'Name of the extension.': '扩展名称。',
+  'Extension "{{name}}" has no settings to configure.':
+    '扩展 "{{name}}" 没有可配置的设置。',
+  'Settings for "{{name}}":': '"{{name}}" 的设置：',
+  '(workspace)': '（工作区）',
+  '(user)': '（用户）',
+  '[not set]': '［未设置］',
+  '[value stored in keychain]': '［值存储在钥匙串中］',
+  'Manage extension settings.': '管理扩展设置。',
+  'You need to specify a command (set or list).':
+    '您需要指定命令（set 或 list）。',
   'manage IDE integration': '管理 IDE 集成',
   'check status of IDE integration': '检查 IDE 集成状态',
   'install required IDE companion for {{ideName}}':