diff --git a/apps/desktop/src/renderer/src/components/SettingsModal.tsx b/apps/desktop/src/renderer/src/components/SettingsModal.tsx
index e3339b2..6a67bf2 100644
--- a/apps/desktop/src/renderer/src/components/SettingsModal.tsx
+++ b/apps/desktop/src/renderer/src/components/SettingsModal.tsx
@@ -17,10 +17,20 @@ import {
   LuX
 } from 'react-icons/lu'
 import type { IconType } from 'react-icons'
-import type { CustomProviderConfig, ModelCatalog, ModelMeta, ProviderCatalogEntry, ResourceDetails, SessionState, ThemeMode } from '@shared/types'
+import type {
+  CustomProviderConfig,
+  ModelCatalog,
+  ModelMeta,
+  PluginInfo,
+  ProviderCatalogEntry,
+  ResourceDetails,
+  SessionState,
+  ThemeMode
+} from '@shared/types'
 import { THEME_MODES, THEME_PRESETS, applyThemeColor } from '../lib/theme'
+import { usePluginList } from '../plugins/store'
 
-type Tab = 'general' | 'model' | 'prompt' | 'plugins' | 'skills' | 'commands'
+type Tab = 'general' | 'corePlugins' | 'model' | 'prompt' | 'plugins' | 'skills' | 'commands'
 
 /** 左侧分组导航（参考 ZCode 设置页：基础设置 / Agent 能力） */
 const NAV: Array<{ group: string; items: Array<{ id: Tab; label: string; icon: IconType }> }> = [
@@ -29,7 +39,8 @@ const NAV: Array<{ group: string; items: Array<{ id: Tab; label: string; icon: I
     items: [
       { id: 'general', label: '常规', icon: LuSettings2 },
       { id: 'model', label: '模型设置', icon: LuCpu },
-      { id: 'prompt', label: '系统提示词', icon: LuTextQuote }
+      { id: 'prompt', label: '系统提示词', icon: LuTextQuote },
+      { id: 'corePlugins', label: '核心插件', icon: LuPuzzle }
     ]
   },
   {
@@ -48,6 +59,7 @@ const PLACEHOLDER: Record<string, string> = {
 
 const TAB_META: Record<Tab, { title: string; desc: string }> = {
   general: { title: '常规', desc: '主题色等外观偏好。' },
+  corePlugins: { title: '核心插件', desc: '内置的第一方功能插件，按需开启或关闭；变更会重建 Agent 运行时，进行中的回合会被中断。' },
   model: { title: '模型设置', desc: '' },
   prompt: { title: '系统提示词', desc: '当前生效的 pi 原生系统提示词（含技能清单注入），只读。' },
   plugins: { title: '插件', desc: PLACEHOLDER.plugins },
@@ -587,6 +599,59 @@ function ModelSettings({
   )
 }
 
+/** 核心插件页：内置插件列表 + 启停开关（单一事实源在主进程，listChanged 事件驱动刷新） */
+function CorePluginPanel({
+  togglingId,
+  onToggle
+}: {
+  /** 正在切换中的插件 id（切换期间全部开关禁用，避免并发重建运行时） */
+  togglingId: string | null
+  onToggle: (plugin: PluginInfo, next: boolean) => void
+}): ReactNode {
+  // 本页只管核心（内置）插件；外置插件留给「Agent 能力 → 插件」
+  const core = usePluginList().filter((p) => p.source === 'builtin')
+  if (core.length === 0) {
+    return (
+      <div className="flex flex-col items-center justify-center gap-1 rounded-card border border-dashed border-line py-12 text-center">
+        <div className="text-[13px] font-medium text-ink-2">暂无核心插件</div>
+      </div>
+    )
+  }
+  return (
+    <div className="space-y-1.5">
+      {core
+        .slice()
+        .sort((a, b) => (a.manifest.order ?? 100) - (b.manifest.order ?? 100) || a.manifest.id.localeCompare(b.manifest.id))
+        .map((p) => (
+          <div key={p.manifest.id} className="rounded-card border border-line px-3 py-2.5">
+            <div className="flex items-center gap-2">
+              <span className="text-[12.5px] font-medium text-ink">{p.manifest.name}</span>
+              <span className="rounded-control bg-hover px-1.5 py-0.5 text-[10px] text-ink-3">内置 v{p.manifest.version}</span>
+              <span className="ml-auto text-[11px] text-ink-3">{p.enabled ? '已启用' : '已停用'}</span>
+              <button
+                type="button"
+                role="switch"
+                aria-checked={p.enabled}
+                aria-label={`启用${p.manifest.name}`}
+                disabled={togglingId !== null}
+                onClick={() => onToggle(p, !p.enabled)}
+                className={`relative h-6 w-10 shrink-0 rounded-full transition-colors disabled:cursor-not-allowed disabled:opacity-50 ${
+                  p.enabled ? 'bg-accent' : 'bg-line-strong'
+                }`}
+              >
+                <span
+                  className={`absolute top-0.5 size-5 rounded-full bg-white shadow transition-[left] ${p.enabled ? 'left-[18px]' : 'left-0.5'}`}
+                />
+              </button>
+            </div>
+            {p.manifest.description && <div className="mt-1 text-[12px] leading-5 text-ink-3">{p.manifest.description}</div>}
+            {p.error && <div className="mt-1 text-[12px] text-red">装载失败：{p.error}</div>}
+          </div>
+        ))}
+    </div>
+  )
+}
+
 export function SettingsModal({
   open,
   sessionState,
@@ -614,6 +679,7 @@ export function SettingsModal({
   const [resources, setResources] = useState<ResourceDetails | null>(null)
   const [resourcesLoading, setResourcesLoading] = useState(false)
   const [customProviders, setCustomProviders] = useState<CustomProviderConfig[]>([])
+  const [togglingId, setTogglingId] = useState<string | null>(null)
   const scrollRef = useRef<HTMLDivElement>(null)
 
   const refreshCustoms = (): void => {
@@ -663,6 +729,22 @@ export function SettingsModal({
       .finally(() => setBusy(false))
   }
 
+  /** 切换核心插件启停：主进程持久化后重建运行时；列表经 plugins:listChanged 自动刷新 */
+  const toggleCorePlugin = (plugin: PluginInfo, next: boolean): void => {
+    if (streaming) {
+      setNotice({ kind: 'err', text: 'Agent 正在回复中，请先停止或等待完成后再切换（切换会重建运行时）' })
+      return
+    }
+    if (togglingId) return
+    setTogglingId(plugin.manifest.id)
+    setNotice(null)
+    window.api
+      .pluginsSetEnabled(plugin.manifest.id, next)
+      .then(() => setNotice({ kind: 'ok', text: `已${next ? '启用' : '停用'}「${plugin.manifest.name}」，运行时已重建` }))
+      .catch((err: unknown) => setNotice({ kind: 'err', text: err instanceof Error ? err.message : String(err) }))
+      .finally(() => setTogglingId(null))
+  }
+
   const refreshResources = (): void => {
     setResourcesLoading(true)
     window.api
@@ -836,6 +918,15 @@ export function SettingsModal({
               </div>
             )}
 
+            {tab === 'corePlugins' && (
+              <div className="flex flex-col gap-3">
+                <CorePluginPanel togglingId={togglingId} onToggle={toggleCorePlugin} />
+                <div className="text-[11.5px] leading-5 text-ink-3">
+                  开关立即生效（重建 Agent 运行时）。例如停用「浏览器」后，侧栏浏览器面板入口与全部 browser_* 工具将一并停用；重新开启即恢复。
+                </div>
+              </div>
+            )}
+
             {tab === 'prompt' && (
               <div className="flex h-full min-h-0 flex-col">
                 <div className="min-h-0 flex-1 overflow-y-auto whitespace-pre-wrap rounded-card border border-line bg-inset p-3.5 font-mono text-[12px] leading-6 text-ink-2">
@@ -937,7 +1028,7 @@ export function SettingsModal({
               />
             )}
 
-            {tab !== 'general' && tab !== 'model' && tab !== 'prompt' && tab !== 'skills' && tab !== 'commands' && (
+            {tab !== 'general' && tab !== 'corePlugins' && tab !== 'model' && tab !== 'prompt' && tab !== 'skills' && tab !== 'commands' && (
               <ComingSoon icon={NAV[1].items.find((i) => i.id === tab)?.icon ?? LuPuzzle} label={meta.title} />
             )}
           </div>