diff --git a/frontend/src/components/keys/UseKeyModal.vue b/frontend/src/components/keys/UseKeyModal.vue
index 1dda0c51eb..4663b2b7d8 100644
--- a/frontend/src/components/keys/UseKeyModal.vue
+++ b/frontend/src/components/keys/UseKeyModal.vue
@@ -29,11 +29,12 @@
         </p>
 
         <!-- Client Tabs -->
-        <div v-if="clientTabs.length" class="border-b border-gray-200 dark:border-dark-700">
-          <nav class="-mb-px flex space-x-6" aria-label="Client">
+        <div v-if="clientTabs.length" class="overflow-x-auto border-b border-gray-200 dark:border-dark-700">
+          <nav class="-mb-px flex min-w-max gap-4 sm:gap-6" aria-label="Client">
             <button
               v-for="tab in clientTabs"
               :key="tab.id"
+              type="button"
               @click="activeClientTab = tab.id"
               :class="[
                 'whitespace-nowrap py-2.5 px-1 border-b-2 font-medium text-sm transition-colors',
@@ -102,11 +103,12 @@
         </div>
 
         <!-- OS/Shell Tabs -->
-        <div v-if="showShellTabs" class="border-b border-gray-200 dark:border-dark-700">
-          <nav class="-mb-px flex space-x-4" aria-label="Tabs">
+        <div v-if="showShellTabs" class="overflow-x-auto border-b border-gray-200 dark:border-dark-700">
+          <nav class="-mb-px flex min-w-max gap-4" aria-label="Tabs">
             <button
               v-for="tab in currentTabs"
               :key="tab.id"
+              type="button"
               @click="activeTab = tab.id"
               :class="[
                 'whitespace-nowrap py-2.5 px-1 border-b-2 font-medium text-sm transition-colors',
@@ -138,10 +140,11 @@
             <div class="bg-gray-900 dark:bg-dark-900 rounded-xl overflow-hidden">
               <!-- Code Header -->
               <div class="flex items-center justify-between px-4 py-2 bg-gray-800 dark:bg-dark-800 border-b border-gray-700 dark:border-dark-700">
-                <span class="text-xs text-gray-400 font-mono">{{ file.path }}</span>
+                <span class="min-w-0 truncate text-xs text-gray-400 font-mono">{{ file.path }}</span>
                 <button
+                  type="button"
                   @click="copyContent(file.content, index)"
-                  class="flex items-center gap-1.5 px-2.5 py-1 text-xs font-medium rounded-lg transition-colors"
+                  class="flex flex-shrink-0 items-center gap-1.5 px-2.5 py-1 text-xs font-medium rounded-lg transition-colors"
                   :class="copiedIndex === index
                     ? 'bg-green-500/20 text-green-400'
                     : 'bg-gray-700 hover:bg-gray-600 text-gray-300 hover:text-white'"
@@ -353,6 +356,8 @@ const clientTabs = computed((): TabConfig[] => {
     case 'grok':
       return [
         { id: 'grok', label: t('keys.useKeyModal.cliTabs.grokCli'), icon: TerminalIcon },
+        { id: 'claude', label: t('keys.useKeyModal.cliTabs.claudeCode'), icon: TerminalIcon },
+        { id: 'codex', label: t('keys.useKeyModal.cliTabs.codexCli'), icon: TerminalIcon },
         { id: 'opencode', label: t('keys.useKeyModal.cliTabs.opencode'), icon: TerminalIcon }
       ]
     default:
@@ -403,6 +408,12 @@ const platformDescription = computed(() => {
     case 'antigravity':
       return t('keys.useKeyModal.antigravity.description')
     case 'grok':
+      if (activeClientTab.value === 'claude') {
+        return t('keys.useKeyModal.grok.claudeDescription')
+      }
+      if (activeClientTab.value === 'codex') {
+        return t('keys.useKeyModal.grok.codexDescription')
+      }
       return t('keys.useKeyModal.grok.description')
     default:
       return t('keys.useKeyModal.description')
@@ -425,6 +436,14 @@ const platformNote = computed(() => {
         ? t('keys.useKeyModal.antigravity.claudeNote')
         : t('keys.useKeyModal.antigravity.geminiNote')
     case 'grok':
+      if (activeClientTab.value === 'claude') {
+        return t('keys.useKeyModal.grok.claudeNote')
+      }
+      if (activeClientTab.value === 'codex') {
+        return activeTab.value === 'windows'
+          ? t('keys.useKeyModal.grok.codexNoteWindows')
+          : t('keys.useKeyModal.grok.codexNote')
+      }
       return activeTab.value === 'windows'
         ? t('keys.useKeyModal.grok.noteWindows')
         : t('keys.useKeyModal.grok.note')
@@ -509,6 +528,12 @@ const currentFiles = computed((): FileConfig[] => {
       }
       return generateAnthropicFiles(`${baseUrl}/antigravity`, apiKey)
     case 'grok':
+      if (activeClientTab.value === 'claude') {
+        return generateGrokClaudeFiles(baseRoot, apiKey)
+      }
+      if (activeClientTab.value === 'codex') {
+        return generateGrokCodexFiles(apiBase, apiKey)
+      }
       return generateGrokFiles(apiBase, apiKey)
     default:
       return generateAnthropicFiles(baseUrl, apiKey)
@@ -548,9 +573,10 @@ $env:CLAUDE_CODE_ATTRIBUTION_HEADER=0`
 
   const vscodeSettingsPath = activeTab.value === 'unix'
     ? '~/.claude/settings.json'
-    : '%userprofile%\\.claude\\settings.json'
+    : '%USERPROFILE%\\.claude\\settings.json'
 
   const vscodeContent = `{
+  "$schema": "https://json.schemastore.org/claude-code-settings.json",
   "env": {
     "ANTHROPIC_BASE_URL": "${baseUrl}",
     "ANTHROPIC_AUTH_TOKEN": "${apiKey}",
@@ -561,7 +587,68 @@ $env:CLAUDE_CODE_ATTRIBUTION_HEADER=0`
 
   return [
     { path, content },
-    { path: vscodeSettingsPath, content: vscodeContent, hint: 'VSCode Claude Code' }
+    {
+      path: vscodeSettingsPath,
+      content: vscodeContent,
+      hint: t('keys.useKeyModal.claudeSettingsHint')
+    }
+  ]
+}
+
+function generateGrokClaudeFiles(baseUrl: string, apiKey: string): FileConfig[] {
+  const environment = {
+    ANTHROPIC_BASE_URL: baseUrl,
+    ANTHROPIC_AUTH_TOKEN: apiKey,
+    ANTHROPIC_MODEL: 'grok-4.5',
+    ANTHROPIC_DEFAULT_OPUS_MODEL: 'grok-4.5',
+    ANTHROPIC_DEFAULT_SONNET_MODEL: 'grok-4.5',
+    ANTHROPIC_DEFAULT_HAIKU_MODEL: 'grok-4.5',
+    ANTHROPIC_DEFAULT_FABLE_MODEL: 'grok-4.5',
+    CLAUDE_CODE_SUBAGENT_MODEL: 'grok-4.5',
+    CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC: '1',
+    CLAUDE_CODE_ATTRIBUTION_HEADER: '0'
+  }
+  let path: string
+  let content: string
+
+  switch (activeTab.value) {
+    case 'unix':
+      path = 'Terminal'
+      content = Object.entries(environment)
+        .map(([name, value]) => `export ${name}="${value}"`)
+        .join('\n')
+      break
+    case 'cmd':
+      path = 'Command Prompt'
+      content = Object.entries(environment)
+        .map(([name, value]) => `set ${name}=${value}`)
+        .join('\n')
+      break
+    case 'powershell':
+      path = 'PowerShell'
+      content = Object.entries(environment)
+        .map(([name, value]) => `$env:${name}="${value}"`)
+        .join('\n')
+      break
+    default:
+      path = 'Terminal'
+      content = ''
+  }
+
+  const settingsPath = activeTab.value === 'unix'
+    ? '~/.claude/settings.json'
+    : '%USERPROFILE%\\.claude\\settings.json'
+
+  return [
+    { path, content },
+    {
+      path: settingsPath,
+      content: JSON.stringify({
+        $schema: 'https://json.schemastore.org/claude-code-settings.json',
+        env: environment
+      }, null, 2),
+      hint: t('keys.useKeyModal.claudeSettingsHint')
+    }
   ]
 }
 
@@ -682,6 +769,39 @@ supports_backend_search = true`
   }]
 }
 
+function generateGrokCodexFiles(baseUrl: string, apiKey: string): FileConfig[] {
+  const isWindows = activeTab.value === 'windows'
+  const configPath = isWindows
+    ? '%USERPROFILE%\\.codex\\config.toml'
+    : '~/.codex/config.toml'
+  const configContent = `model_provider = "sub2api_grok"
+model = "grok-4.5"
+review_model = "grok-4.5"
+model_reasoning_effort = "xhigh"
+model_context_window = 1000000
+
+[model_providers.sub2api_grok]
+name = "Sub2API Grok"
+base_url = "${baseUrl}"
+env_key = "SUB2API_API_KEY"
+wire_api = "responses"`
+  const environmentContent = isWindows
+    ? `$env:SUB2API_API_KEY="${apiKey}"`
+    : `export SUB2API_API_KEY="${apiKey}"`
+
+  return [
+    {
+      path: configPath,
+      content: configContent,
+      hint: t('keys.useKeyModal.grok.codexConfigTomlHint')
+    },
+    {
+      path: isWindows ? 'PowerShell' : 'Terminal',
+      content: environmentContent
+    }
+  ]
+}
+
 function generateOpenAIWsFiles(baseUrl: string, apiKey: string): FileConfig[] {
   const isWindows = activeTab.value === 'windows'
   const configDir = isWindows ? '%userprofile%\\.codex' : '~/.codex'
diff --git a/frontend/src/components/keys/__tests__/UseKeyModal.spec.ts b/frontend/src/components/keys/__tests__/UseKeyModal.spec.ts
index e96939cb39..6db8505489 100644
--- a/frontend/src/components/keys/__tests__/UseKeyModal.spec.ts
+++ b/frontend/src/components/keys/__tests__/UseKeyModal.spec.ts
@@ -2,6 +2,10 @@ import { describe, expect, it, vi } from 'vitest'
 import { mount } from '@vue/test-utils'
 import { nextTick } from 'vue'
 
+const { copyToClipboardMock } = vi.hoisted(() => ({
+  copyToClipboardMock: vi.fn().mockResolvedValue(true)
+}))
+
 vi.mock('vue-i18n', () => ({
   useI18n: () => ({
     t: (key: string) => key
@@ -10,7 +14,7 @@ vi.mock('vue-i18n', () => ({
 
 vi.mock('@/composables/useClipboard', () => ({
   useClipboard: () => ({
-    copyToClipboard: vi.fn().mockResolvedValue(true)
+    copyToClipboard: copyToClipboardMock
   })
 }))
 
@@ -78,6 +82,153 @@ describe('UseKeyModal', () => {
     expect(parsed.provider.grok.models['gpt-5.6']).toBeUndefined()
   })
 
+  it('renders copyable Claude Code setup through the Grok Messages gateway', async () => {
+    copyToClipboardMock.mockClear()
+    const wrapper = mount(UseKeyModal, {
+      props: {
+        show: true,
+        apiKey: 'sk-grok-claude-test',
+        baseUrl: 'https://example.com/v1',
+        platform: 'grok'
+      },
+      global: {
+        stubs: {
+          BaseDialog: {
+            template: '<div><slot /><slot name="footer" /></div>'
+          },
+          Icon: {
+            template: '<span />'
+          }
+        }
+      }
+    })
+
+    const claudeTab = wrapper.findAll('button').find((button) =>
+      button.text().includes('keys.useKeyModal.cliTabs.claudeCode')
+    )
+    expect(claudeTab).toBeDefined()
+    await claudeTab!.trigger('click')
+    await nextTick()
+
+    let codeBlocks = wrapper.findAll('pre code').map((code) => code.text())
+    expect(codeBlocks.join('\n')).toContain('ANTHROPIC_BASE_URL="https://example.com"')
+    expect(codeBlocks.join('\n')).toContain('ANTHROPIC_AUTH_TOKEN="sk-grok-claude-test"')
+    const unixConfig = codeBlocks.find((content) => content.startsWith('export ANTHROPIC_BASE_URL'))
+    expect(unixConfig).toBeDefined()
+    for (const name of [
+      'ANTHROPIC_MODEL',
+      'ANTHROPIC_DEFAULT_OPUS_MODEL',
+      'ANTHROPIC_DEFAULT_SONNET_MODEL',
+      'ANTHROPIC_DEFAULT_HAIKU_MODEL',
+      'ANTHROPIC_DEFAULT_FABLE_MODEL',
+      'CLAUDE_CODE_SUBAGENT_MODEL'
+    ]) {
+      expect(unixConfig).toContain(`export ${name}="grok-4.5"`)
+    }
+    const settingsConfig = codeBlocks.find((content) => content.includes('"$schema"'))
+    expect(settingsConfig).toBeDefined()
+    const parsedSettings = JSON.parse(settingsConfig!)
+    expect(parsedSettings.$schema).toBe('https://json.schemastore.org/claude-code-settings.json')
+    expect(parsedSettings.env.ANTHROPIC_MODEL).toBe('grok-4.5')
+    expect(wrapper.text()).toContain('keys.useKeyModal.claudeSettingsHint')
+    expect(wrapper.text()).toContain('keys.useKeyModal.grok.claudeNote')
+    expect(wrapper.find('nav[aria-label="Client"]').classes()).toContain('min-w-max')
+    expect(wrapper.find('nav[aria-label="Client"]').element.parentElement?.classList.contains('overflow-x-auto')).toBe(true)
+
+    const cmdTab = wrapper.findAll('button').find(
+      (button) => button.text().trim() === 'Windows CMD'
+    )
+    expect(cmdTab).toBeDefined()
+    await cmdTab!.trigger('click')
+    await nextTick()
+
+    codeBlocks = wrapper.findAll('pre code').map((code) => code.text())
+    expect(codeBlocks.join('\n')).toContain('set ANTHROPIC_MODEL=grok-4.5')
+    expect(codeBlocks.join('\n')).toContain('set ANTHROPIC_DEFAULT_FABLE_MODEL=grok-4.5')
+    expect(codeBlocks.join('\n')).toContain('set CLAUDE_CODE_SUBAGENT_MODEL=grok-4.5')
+
+    const powershellTab = wrapper.findAll('button').find(
+      (button) => button.text().trim() === 'PowerShell'
+    )
+    expect(powershellTab).toBeDefined()
+    await powershellTab!.trigger('click')
+    await nextTick()
+
+    codeBlocks = wrapper.findAll('pre code').map((code) => code.text())
+    expect(codeBlocks.join('\n')).toContain('$env:ANTHROPIC_BASE_URL="https://example.com"')
+    expect(codeBlocks.join('\n')).toContain('$env:ANTHROPIC_MODEL="grok-4.5"')
+    expect(codeBlocks.join('\n')).toContain('$env:ANTHROPIC_DEFAULT_FABLE_MODEL="grok-4.5"')
+    expect(codeBlocks.join('\n')).toContain('$env:CLAUDE_CODE_SUBAGENT_MODEL="grok-4.5"')
+    expect(wrapper.text()).toContain('%USERPROFILE%\\.claude\\settings.json')
+
+    const copyButton = wrapper.findAll('button').find((button) =>
+      button.text().includes('keys.useKeyModal.copy')
+    )
+    expect(copyButton).toBeDefined()
+    await copyButton!.trigger('click')
+    expect(copyToClipboardMock).toHaveBeenCalledWith(
+      expect.stringContaining('ANTHROPIC_AUTH_TOKEN="sk-grok-claude-test"'),
+      'keys.copied'
+    )
+  })
+
+  it('renders Codex custom provider setup through the Grok Responses gateway', async () => {
+    const wrapper = mount(UseKeyModal, {
+      props: {
+        show: true,
+        apiKey: 'sk-grok-codex-test',
+        baseUrl: 'https://example.com/v1',
+        platform: 'grok'
+      },
+      global: {
+        stubs: {
+          BaseDialog: {
+            template: '<div><slot /><slot name="footer" /></div>'
+          },
+          Icon: {
+            template: '<span />'
+          }
+        }
+      }
+    })
+
+    const codexTab = wrapper.findAll('button').find((button) =>
+      button.text().includes('keys.useKeyModal.cliTabs.codexCli')
+    )
+    expect(codexTab).toBeDefined()
+    await codexTab!.trigger('click')
+    await nextTick()
+
+    let codeBlocks = wrapper.findAll('pre code').map((code) => code.text())
+    const configToml = codeBlocks.find((content) => content.includes('[model_providers.sub2api_grok]'))
+    expect(configToml).toBeDefined()
+    expect(configToml).toContain('model_provider = "sub2api_grok"')
+    expect(configToml).toContain('model = "grok-4.5"')
+    expect(configToml).toContain('model_context_window = 1000000')
+    expect(configToml).toContain('base_url = "https://example.com/v1"')
+    expect(configToml).toContain('env_key = "SUB2API_API_KEY"')
+    expect(configToml).toContain('wire_api = "responses"')
+    expect(configToml).not.toContain('requires_openai_auth')
+    expect(configToml).not.toContain('disable_response_storage')
+    expect(configToml).not.toContain('network_access')
+    expect(configToml).not.toContain('windows_wsl_setup_acknowledged')
+    expect(configToml).not.toContain('[features]')
+    expect(configToml).not.toContain('goals = true')
+    expect(codeBlocks).toContain('export SUB2API_API_KEY="sk-grok-codex-test"')
+    expect(wrapper.text()).not.toContain('auth.json')
+
+    const windowsTab = wrapper.findAll('button').find(
+      (button) => button.text().trim() === 'Windows'
+    )
+    expect(windowsTab).toBeDefined()
+    await windowsTab!.trigger('click')
+    await nextTick()
+
+    codeBlocks = wrapper.findAll('pre code').map((code) => code.text())
+    expect(wrapper.text()).toContain('%USERPROFILE%\\.codex\\config.toml')
+    expect(codeBlocks).toContain('$env:SUB2API_API_KEY="sk-grok-codex-test"')
+  })
+
   it('keeps legacy OpenAI Codex config as the default', () => {
     const wrapper = mount(UseKeyModal, {
       props: {
diff --git a/frontend/src/i18n/locales/en/dashboard.ts b/frontend/src/i18n/locales/en/dashboard.ts
index 19a5481646..5a3e8ec6b9 100644
--- a/frontend/src/i18n/locales/en/dashboard.ts
+++ b/frontend/src/i18n/locales/en/dashboard.ts
@@ -134,6 +134,7 @@ export default {
       copy: 'Copy',
       copied: 'Copied',
       note: 'These environment variables will be active in the current terminal session. For permanent configuration, add them to ~/.bashrc, ~/.zshrc, or the appropriate configuration file.',
+      claudeSettingsHint: 'User-level persistent configuration. Do not commit this file containing your API key to a project repository.',
       noGroupTitle: 'Please assign a group first',
       noGroupDescription: 'This API key has not been assigned to a group. Please click the group column in the key list to assign one before viewing the configuration.',
       openai: {
@@ -167,10 +168,16 @@ export default {
         note: 'These environment variables will be active in the current terminal session. For permanent configuration, add them to ~/.bashrc, ~/.zshrc, or the appropriate configuration file.',
       },
       grok: {
-        description: 'Configure Grok Build or OpenCode to send Responses API traffic through your Sub2API Grok group.',
+        description: 'Configure Grok Build, Claude Code, Codex, or OpenCode to send requests through your Sub2API Grok group.',
+        claudeDescription: 'Configure Claude Code to send Messages API traffic through your Sub2API Grok group.',
+        codexDescription: 'Configure Codex to send Responses API traffic through your Sub2API Grok group.',
         configTomlHint: 'Back up an existing config.toml before merging this model entry. Run grok inspect after saving to verify the effective configuration.',
+        codexConfigTomlHint: 'Back up an existing config.toml before merging this provider configuration.',
         note: 'Save the file as ~/.grok/config.toml, then run grok inspect and select grok from /model.',
         noteWindows: 'Save the file as %USERPROFILE%\\.grok\\config.toml, then run grok inspect and select grok from /model.',
+        claudeNote: 'Choose one method: run the terminal commands for the current session, or save settings.json for user-level persistent configuration.',
+        codexNote: 'Save config.toml under ~/.codex and set SUB2API_API_KEY before starting Codex.',
+        codexNoteWindows: 'Save config.toml under %USERPROFILE%\\.codex and set SUB2API_API_KEY in PowerShell before starting Codex.',
       },
       opencode: {
         title: 'OpenCode Example',
diff --git a/frontend/src/i18n/locales/zh/dashboard.ts b/frontend/src/i18n/locales/zh/dashboard.ts
index 782ab2d591..770cb62bec 100644
--- a/frontend/src/i18n/locales/zh/dashboard.ts
+++ b/frontend/src/i18n/locales/zh/dashboard.ts
@@ -133,6 +133,7 @@ export default {
       copy: '复制',
       copied: '已复制',
       note: '这些环境变量将在当前终端会话中生效。如需永久配置，请将其添加到 ~/.bashrc、~/.zshrc 或相应的配置文件中。',
+      claudeSettingsHint: '用户级持久配置。此文件包含 API 密钥，请勿提交到项目仓库。',
       noGroupTitle: '请先分配分组',
       noGroupDescription:
         '此 API 密钥尚未分配分组，请先在密钥列表中点击分组列进行分配，然后才能查看使用配置。',
@@ -171,10 +172,16 @@ export default {
         note: '这些环境变量将在当前终端会话中生效。如需永久配置，请将其添加到 ~/.bashrc、~/.zshrc 或相应的配置文件中。'
       },
       grok: {
-        description: '配置 Grok Build 或 OpenCode，让 Responses API 请求通过当前 Sub2API Grok 分组发送。',
+        description: '配置 Grok Build、Claude Code、Codex 或 OpenCode，让请求通过当前 Sub2API Grok 分组发送。',
+        claudeDescription: '配置 Claude Code，让 Messages API 请求通过当前 Sub2API Grok 分组发送。',
+        codexDescription: '配置 Codex，让 Responses API 请求通过当前 Sub2API Grok 分组发送。',
         configTomlHint: '如已有 config.toml，请先备份再合并此模型配置。保存后运行 grok inspect 验证生效配置。',
+        codexConfigTomlHint: '如已有 config.toml，请先备份再合并此服务商配置。',
         note: '保存为 ~/.grok/config.toml，然后运行 grok inspect，并在 /model 中选择 grok。',
-        noteWindows: '保存为 %USERPROFILE%\\.grok\\config.toml，然后运行 grok inspect，并在 /model 中选择 grok。'
+        noteWindows: '保存为 %USERPROFILE%\\.grok\\config.toml，然后运行 grok inspect，并在 /model 中选择 grok。',
+        claudeNote: '二选一即可：终端命令仅在当前会话生效；保存 settings.json 可作为用户级持久配置。',
+        codexNote: '将 config.toml 保存到 ~/.codex，并在启动 Codex 前设置 SUB2API_API_KEY。',
+        codexNoteWindows: '将 config.toml 保存到 %USERPROFILE%\\.codex，并在 PowerShell 中设置 SUB2API_API_KEY 后启动 Codex。'
       },
       opencode: {
         title: 'OpenCode 配置示例',