diff --git a/ui/src/conversation-panel/left-sidebar/account-menu/ApiKeyDialog.vue b/ui/src/conversation-panel/left-sidebar/account-menu/ApiKeyDialog.vue
index eb687ac62b2..636819dce1c 100644
--- a/ui/src/conversation-panel/left-sidebar/account-menu/ApiKeyDialog.vue
+++ b/ui/src/conversation-panel/left-sidebar/account-menu/ApiKeyDialog.vue
@@ -1,16 +1,39 @@
 <script setup lang="ts">
-import { ref } from 'vue'
+import { ref, computed } from 'vue'
 import ChatUserApi from '@/api/chat/chat-user'
+import { CHAT_API_BASE_PATH } from '@/api/constants'
+import { useStore } from '@/stores/chat'
 import { copyText } from '@/utils/clipboard'
+import { useViewType, VIEW_TYPE } from '@/conversation-panel/view'
+import { useMessageListStore } from '@/conversation-panel/components/message-list'
 
 defineOptions({ name: 'ConversationApiKeyDialog' })
 
+type McpServiceType = 'agent' | 'knowledge'
+
 const dialogVisible = ref(false)
 const apiKey = ref('')
 const loading = ref(false)
-const mcpServiceType = ref<'agent' | 'knowledge'>('agent')
-const mcpConfig = ref('')
+const mcpServiceType = ref<McpServiceType>('agent')
+const { auth } = useStore()
+const messageList = useMessageListStore()
+const applicationId = computed(() => messageList.appInfo.value?.id)
+const viewType = useViewType()
+
+// MCP 地址按当前部署地址拼接对话端 v3 接口；均以当前对话用户的 API Key 认证。
+const MCP_BASE_URL = `${window.location.origin}${CHAT_API_BASE_PATH}/v3`
+
+function formatMcpConfig(serverName: string, url: string) {
+  return JSON.stringify({ [serverName]: { url, transport: 'streamable_http', headers: { Authorization: `Bearer <CHAT_USER_API_KEY>` } } }, null, 2)
+}
 
+// 门户：智能体对话暴露该用户可访问的全部智能体，知识库检索暴露其可访问的全部知识库。
+const mcpConfig = computed<Record<McpServiceType, string>>(() => ({
+  agent: formatMcpConfig('maxkb_agent', `${MCP_BASE_URL}/mcp`),
+  knowledge: formatMcpConfig('maxkb_knowledge', `${MCP_BASE_URL}/knowledge_mcp`),
+}))
+// 单应用对话：只暴露当前智能体；服务名用对话链接中的 accessToken，比应用 ID 短。
+const agentMcpConfig = computed(() => formatMcpConfig(`agent_${auth.accessToken}`, `${MCP_BASE_URL}/application/${applicationId.value}/mcp`))
 // 每次打开重新读取；重置直接替换当前用户的唯一密钥。
 function loadApiKey(regenerate = false) {
   if (loading.value) return
@@ -59,16 +82,24 @@ defineExpose({ open })
     </el-input>
 
     <div class="mb-2">MCP 服务配置</div>
-    <!-- 切换 MCP 服务类型 -->
-    <el-radio-group v-model="mcpServiceType" class="mb-2">
-      <el-radio-button value="agent">智能体对话</el-radio-button>
-      <el-radio-button value="knowledge">知识库检索</el-radio-button>
-    </el-radio-group>
-
-    <div class="group relative">
-      <el-input :model-value="mcpConfig" readonly :autosize="{ minRows: 8, maxRows: 24 }" type="textarea" />
+    <template v-if="viewType === VIEW_TYPE.PORTAL">
+      <!-- 切换 MCP 服务类型 -->
+      <el-radio-group v-model="mcpServiceType" class="mb-2">
+        <el-radio-button value="agent">智能体对话</el-radio-button>
+        <el-radio-button value="knowledge">知识库检索</el-radio-button>
+      </el-radio-group>
+      <div class="group relative">
+        <el-input :model-value="mcpConfig[mcpServiceType]" readonly :autosize="{ minRows: 8, maxRows: 24 }" type="textarea" />
+        <!-- 复制 MCP 配置 -->
+        <el-button class="group-hover-visible absolute right-3 top-3 z-10 shadow-md" circle @click="copyText(mcpConfig[mcpServiceType].replace('<CHAT_USER_API_KEY>',apiKey))">
+          <MkIcon name="icon_copy_outlined" />
+        </el-button>
+      </div>
+    </template>
+    <div v-else class="group relative">
+      <el-input :model-value="agentMcpConfig" readonly :autosize="{ minRows: 8, maxRows: 24 }" type="textarea" />
       <!-- 复制 MCP 配置 -->
-      <el-button class="group-hover-visible absolute right-3 top-3 z-10 shadow-md" circle @click="copyText(mcpConfig)">
+      <el-button class="group-hover-visible absolute right-3 top-3 z-10 shadow-md" circle @click="copyText(agentMcpConfig.replace('<CHAT_USER_API_KEY>',apiKey))">
         <MkIcon name="icon_copy_outlined" />
       </el-button>
     </div>