diff --git a/frontend-web/src/components/workspace/agents/agent-chat-sidebar.tsx b/frontend-web/src/components/workspace/agents/agent-chat-sidebar.tsx
index 01fc66ef..03fddad8 100644
--- a/frontend-web/src/components/workspace/agents/agent-chat-sidebar.tsx
+++ b/frontend-web/src/components/workspace/agents/agent-chat-sidebar.tsx
@@ -1,10 +1,11 @@
 "use client";
 
-import { Bot, Loader2 } from "lucide-react";
+import { Bot, Loader2, Search, X } from "lucide-react";
 import Link from "next/link";
 import { useEffect, useMemo, useState } from "react";
 
 import { agentColor } from "@/components/workspace/agent-icon-color";
+import { Input } from "@/components/ui/input";
 import {
   Select,
   SelectContent,
@@ -52,6 +53,15 @@ export function AgentChatSidebar({ activeAgentId }: { activeAgentId?: string })
   // 作用域：MINE_SCOPE 或某个广场 id。默认「我的」。
   const [scope, setScope] = useState<string>(MINE_SCOPE);
 
+  // 模糊搜索智能体名称：防抖 300ms 后走服务端 search（后端按原始名 / 脱敏名匹配），
+  // 在当前来源（我的 / 某广场）内过滤，能搜全量而非仅当前 50 条。
+  const [searchInput, setSearchInput] = useState("");
+  const [search, setSearch] = useState("");
+  useEffect(() => {
+    const timer = setTimeout(() => setSearch(searchInput.trim()), 300);
+    return () => clearTimeout(timer);
+  }, [searchInput]);
+
   // 若所选广场被管理员删除，回退到「我的」，避免指向不存在的广场。
   useEffect(() => {
     if (
@@ -70,13 +80,14 @@ export function AgentChatSidebar({ activeAgentId }: { activeAgentId?: string })
     page: 1,
     pageSize: LIST_PAGE_SIZE,
     square: isMine ? undefined : scope,
+    search: search || undefined,
   });
 
   return (
     // 配色与 AgentModuleSidebar 一致：浅色白底，深蓝主题半透明深蓝玻璃面板。
     <aside className="flex h-full w-(--sidebar-width) shrink-0 flex-col overflow-hidden border-r border-border/70 bg-white text-foreground backdrop-blur-md dark:border-[#2b8ffe]/45 dark:bg-[#032650]/80">
-      {/* 顶部：作用域下拉（我的 / 各广场） */}
-      <div className="shrink-0 border-b border-border/60 px-3 py-2.5">
+      {/* 顶部：作用域下拉（我的 / 各广场）+ 智能体名称模糊搜索 */}
+      <div className="shrink-0 space-y-2 border-b border-border/60 px-3 py-2.5">
         <Select value={scope} onValueChange={setScope}>
           <SelectTrigger className="h-9 w-full text-sm" title="切换智能体来源">
             <SelectValue />
@@ -90,6 +101,27 @@ export function AgentChatSidebar({ activeAgentId }: { activeAgentId?: string })
             ))}
           </SelectContent>
         </Select>
+        <div className="relative">
+          <Search className="text-muted-foreground pointer-events-none absolute top-1/2 left-2.5 size-3.5 -translate-y-1/2" />
+          <Input
+            value={searchInput}
+            onChange={(e) => setSearchInput(e.target.value)}
+            placeholder="搜索智能体名称"
+            className="h-9 pl-8 pr-8 text-sm"
+            aria-label="搜索智能体名称"
+          />
+          {searchInput && (
+            <button
+              type="button"
+              onClick={() => setSearchInput("")}
+              className="text-muted-foreground hover:text-foreground absolute top-1/2 right-2 -translate-y-1/2"
+              title="清除"
+              aria-label="清除搜索"
+            >
+              <X className="size-3.5" />
+            </button>
+          )}
+        </div>
       </div>
 
       {/* 智能体列表 */}
@@ -101,7 +133,7 @@ export function AgentChatSidebar({ activeAgentId }: { activeAgentId?: string })
           </div>
         ) : agents.length === 0 ? (
           <p className="px-3 py-1.5 text-xs text-muted-foreground/70">
-            {isMine ? "暂无智能体" : "该广场暂无智能体"}
+            {search ? "未找到匹配的智能体" : isMine ? "暂无智能体" : "该广场暂无智能体"}
           </p>
         ) : (
           <div