diff --git a/src/renderer/src/pages/home/Chat.tsx b/src/renderer/src/pages/home/Chat.tsx
index 5290d6285c..d5870add7f 100644
--- a/src/renderer/src/pages/home/Chat.tsx
+++ b/src/renderer/src/pages/home/Chat.tsx
@@ -1,3 +1,4 @@
+import { Alert } from '@heroui/react'
 import { loggerService } from '@logger'
 import { ContentSearch, ContentSearchRef } from '@renderer/components/ContentSearch'
 import { HStack } from '@renderer/components/Layout'
@@ -49,6 +50,7 @@ const Chat: FC<Props> = (props) => {
   const chatMaxWidth = useChatMaxWidth()
   const { chat } = useRuntime()
   const { activeTopicOrSession, activeAgentId, activeSessionId } = chat
+  const { apiServer } = useSettings()
 
   const mainRef = React.useRef<HTMLDivElement>(null)
   const contentSearchRef = React.useRef<ContentSearchRef>(null)
@@ -149,8 +151,15 @@ const Chat: FC<Props> = (props) => {
     if (!sessionId) {
       return () => <div> Active Session ID is invalid.</div>
     }
+    if (!apiServer.enabled) {
+      return () => (
+        <div>
+          <Alert color="warning" title={t('agent.warning.enable_server')} />
+        </div>
+      )
+    }
     return () => <AgentSessionMessages agentId={activeAgentId} sessionId={sessionId} />
-  }, [activeAgentId, activeSessionId])
+  }, [activeAgentId, activeSessionId, apiServer.enabled, t])
 
   const SessionInputBar = useMemo(() => {
     if (activeAgentId === null) {
diff --git a/src/renderer/src/pages/home/Inputbar/AgentSessionInputbar.tsx b/src/renderer/src/pages/home/Inputbar/AgentSessionInputbar.tsx
index 000337152f..71d12a3929 100644
--- a/src/renderer/src/pages/home/Inputbar/AgentSessionInputbar.tsx
+++ b/src/renderer/src/pages/home/Inputbar/AgentSessionInputbar.tsx
@@ -36,6 +36,7 @@ const AgentSessionInputbar: FC<Props> = ({ agentId, sessionId }) => {
   const [text, setText] = useState(_text)
   const [inputFocus, setInputFocus] = useState(false)
   const { session } = useSession(agentId, sessionId)
+  const { apiServer } = useSettings()
 
   const { sendMessageShortcut, fontSize, enableSpellCheck } = useSettings()
   const textareaRef = useRef<TextAreaRef>(null)
@@ -52,6 +53,7 @@ const AgentSessionInputbar: FC<Props> = ({ agentId, sessionId }) => {
   }, [])
 
   const inputEmpty = isEmpty(text)
+  const sendDisabled = inputEmpty || !apiServer.enabled
 
   const handleKeyDown = (event: React.KeyboardEvent<HTMLTextAreaElement>) => {
     //to check if the SendMessage key is pressed
@@ -96,7 +98,7 @@ const AgentSessionInputbar: FC<Props> = ({ agentId, sessionId }) => {
   }
 
   const sendMessage = useCallback(async () => {
-    if (inputEmpty) {
+    if (sendDisabled) {
       return
     }
 
@@ -158,7 +160,7 @@ const AgentSessionInputbar: FC<Props> = ({ agentId, sessionId }) => {
   }, [
     agentId,
     dispatch,
-    inputEmpty,
+    sendDisabled,
     session?.agent_id,
     session?.instructions,
     session?.model,
@@ -231,7 +233,7 @@ const AgentSessionInputbar: FC<Props> = ({ agentId, sessionId }) => {
             onBlur={() => setInputFocus(false)}
           />
           <div className="flex justify-end px-1">
-            <SendMessageButton sendMessage={sendMessage} disabled={inputEmpty} />
+            <SendMessageButton sendMessage={sendMessage} disabled={sendDisabled} />
           </div>
         </InputBarContainer>
       </Container>
diff --git a/src/renderer/src/pages/home/Tabs/AssistantsTab.tsx b/src/renderer/src/pages/home/Tabs/AssistantsTab.tsx
index 9299a75e2f..0fef9a968f 100644
--- a/src/renderer/src/pages/home/Tabs/AssistantsTab.tsx
+++ b/src/renderer/src/pages/home/Tabs/AssistantsTab.tsx
@@ -3,7 +3,7 @@ import { Assistant } from '@renderer/types'
 import { FC, useRef } from 'react'
 import styled from 'styled-components'
 
-import { Agents } from './components/Agents'
+import { AgentSection } from './components/AgentSection'
 import Assistants from './components/Assistants'
 
 interface AssistantsTabProps {
@@ -17,7 +17,7 @@ const AssistantsTab: FC<AssistantsTabProps> = (props) => {
   const containerRef = useRef<HTMLDivElement>(null)
   return (
     <Container className="assistants-tab" ref={containerRef}>
-      <Agents />
+      <AgentSection />
       <Assistants {...props} />
     </Container>
   )
diff --git a/src/renderer/src/pages/home/Tabs/SessionsTab.tsx b/src/renderer/src/pages/home/Tabs/SessionsTab.tsx
index eb0d994d6c..fd75efc1e3 100644
--- a/src/renderer/src/pages/home/Tabs/SessionsTab.tsx
+++ b/src/renderer/src/pages/home/Tabs/SessionsTab.tsx
@@ -1,5 +1,6 @@
-import { Spinner } from '@heroui/react'
+import { Alert, Spinner } from '@heroui/react'
 import { useRuntime } from '@renderer/hooks/useRuntime'
+import { useSettings } from '@renderer/hooks/useSettings'
 import { AnimatePresence, motion } from 'framer-motion'
 import { FC, memo } from 'react'
 import { useTranslation } from 'react-i18next'
@@ -12,6 +13,15 @@ const SessionsTab: FC<SessionsTabProps> = () => {
   const { chat } = useRuntime()
   const { activeAgentId } = chat
   const { t } = useTranslation()
+  const { apiServer } = useSettings()
+
+  if (!apiServer.enabled) {
+    return (
+      <div>
+        <Alert color="warning" title={t('agent.warning.enable_server')} />
+      </div>
+    )
+  }
 
   return (
     <AnimatePresence mode="wait">
diff --git a/src/renderer/src/pages/home/Tabs/components/AgentSection.tsx b/src/renderer/src/pages/home/Tabs/components/AgentSection.tsx
new file mode 100644
index 0000000000..06eb072219
--- /dev/null
+++ b/src/renderer/src/pages/home/Tabs/components/AgentSection.tsx
@@ -0,0 +1,39 @@
+import { Alert } from '@heroui/react'
+import { useRuntime } from '@renderer/hooks/useRuntime'
+import { useSettings } from '@renderer/hooks/useSettings'
+import { useAppDispatch } from '@renderer/store'
+import { addIknowAction } from '@renderer/store/runtime'
+import { useTranslation } from 'react-i18next'
+
+import { Agents } from './Agents'
+import { SectionName } from './SectionName'
+
+const ALERT_KEY = 'enable_api_server_to_use_agent'
+
+export const AgentSection = () => {
+  const { t } = useTranslation()
+  const { apiServer } = useSettings()
+  const { iknow } = useRuntime()
+  const dispatch = useAppDispatch()
+
+  if (!apiServer.enabled) {
+    if (iknow[ALERT_KEY]) return null
+    return (
+      <Alert
+        color="warning"
+        title={t('agent.warning.enable_server')}
+        isClosable
+        onClose={() => {
+          dispatch(addIknowAction(ALERT_KEY))
+        }}
+      />
+    )
+  }
+
+  return (
+    <div className="agents-tab h-full w-full">
+      <SectionName name={t('common.agent_other')} />
+      <Agents />
+    </div>
+  )
+}
diff --git a/src/renderer/src/pages/home/Tabs/components/Agents.tsx b/src/renderer/src/pages/home/Tabs/components/Agents.tsx
index d6ef7b2c24..253f0888a0 100644
--- a/src/renderer/src/pages/home/Tabs/components/Agents.tsx
+++ b/src/renderer/src/pages/home/Tabs/components/Agents.tsx
@@ -9,7 +9,6 @@ import { FC, useCallback, useEffect } from 'react'
 import { useTranslation } from 'react-i18next'
 
 import AgentItem from './AgentItem'
-import { SectionName } from './SectionName'
 
 interface AssistantsTabProps {}
 
@@ -35,8 +34,7 @@ export const Agents: FC<AssistantsTabProps> = () => {
   }, [isLoading, agents, activeAgentId, setActiveAgentId])
 
   return (
-    <div className="agents-tab h-full w-full">
-      <SectionName name={t('common.agent_other')} />
+    <>
       {isLoading && <Spinner />}
       {error && <Alert color="danger" title={t('agent.list.error.failed')} />}
       {!isLoading &&
@@ -65,6 +63,6 @@ export const Agents: FC<AssistantsTabProps> = () => {
           )
         }}
       />
-    </div>
+    </>
   )
 }
diff --git a/src/renderer/src/pages/home/Tabs/components/SessionsSection.tsx b/src/renderer/src/pages/home/Tabs/components/SessionsSection.tsx
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/src/renderer/src/store/runtime.ts b/src/renderer/src/store/runtime.ts
index fafee81808..99dcc1914f 100644
--- a/src/renderer/src/store/runtime.ts
+++ b/src/renderer/src/store/runtime.ts
@@ -53,6 +53,7 @@ export interface RuntimeState {
   export: ExportState
   chat: ChatState
   websearch: WebSearchState
+  iknow: Record<string, boolean>
 }
 
 export interface ExportState {
@@ -93,7 +94,8 @@ const initialState: RuntimeState = {
   },
   websearch: {
     activeSearches: {}
-  }
+  },
+  iknow: {}
 }
 
 const runtimeSlice = createSlice({
@@ -179,6 +181,9 @@ const runtimeSlice = createSlice({
         delete state.websearch.activeSearches[requestId]
       }
       state.websearch.activeSearches[requestId] = status
+    },
+    addIknowAction: (state, action: PayloadAction<string>) => {
+      state.iknow[action.payload] = true
     }
   }
 })
@@ -197,6 +202,7 @@ export const {
   setResourcesPath,
   setUpdateState,
   setExportState,
+  addIknowAction,
   // Chat related actions
   toggleMultiSelectMode,
   setSelectedMessageIds,