diff --git a/surfaces/gui/src/components/connectors/CustomMcp.test.tsx b/surfaces/gui/src/components/connectors/CustomMcp.test.tsx
new file mode 100644
index 000000000..735a5b949
--- /dev/null
+++ b/surfaces/gui/src/components/connectors/CustomMcp.test.tsx
@@ -0,0 +1,81 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { cleanup, fireEvent, render, screen, waitFor, within } from "@testing-library/react";
+import { createInstance } from "i18next";
+import { I18nextProvider } from "react-i18next";
+import zh from "../../locales/zh.json";
+import { CustomMcpGroup } from "./CustomMcp";
+
+type Call = { url: string; method: string; body: unknown };
+
+function stubMcpApi() {
+  const calls: Call[] = [];
+  vi.stubGlobal(
+    "fetch",
+    vi.fn(async (input: RequestInfo | URL, init?: RequestInit) => {
+      const url = String(input);
+      const method = (init?.method || "GET").toUpperCase();
+      calls.push({
+        url,
+        method,
+        body: init?.body ? JSON.parse(String(init.body)) : undefined,
+      });
+      const json = method === "GET" && url.endsWith("/v1/mcp") ? { servers: [] } : { ok: true };
+      return { ok: true, json: async () => json } as Response;
+    }),
+  );
+  return calls;
+}
+
+afterEach(() => {
+  cleanup();
+  vi.unstubAllGlobals();
+});
+
+describe("CustomMcpGroup presets", () => {
+  it("adds Parallel Search through the existing no-auth MCP connection path", async () => {
+    const calls = stubMcpApi();
+    const onChanged = vi.fn();
+    render(<CustomMcpGroup servers={[]} onOpen={vi.fn()} onChanged={onChanged} />);
+
+    expect(await screen.findByText("Granola")).toBeTruthy();
+    const preset = screen.getByTestId("mcp-preset-parallel-search");
+    expect(within(preset).getByText("Parallel Search")).toBeTruthy();
+    expect(within(preset).getByText(/no account or API key required/i)).toBeTruthy();
+
+    fireEvent.click(within(preset).getByRole("button", { name: "Connect" }));
+
+    await waitFor(() => {
+      const addIndex = calls.findIndex(
+        (call) => call.method === "POST" && call.url.endsWith("/v1/mcp"),
+      );
+      const connectIndex = calls.findIndex(
+        (call) =>
+          call.method === "POST" && call.url.endsWith("/v1/mcp/parallel-search/connect"),
+      );
+      expect(addIndex).toBeGreaterThan(-1);
+      expect(connectIndex).toBeGreaterThan(addIndex);
+      expect(calls[addIndex].body).toEqual({
+        name: "parallel-search",
+        config: { type: "http", url: "https://search.parallel.ai/mcp" },
+      });
+      expect(onChanged).toHaveBeenCalledOnce();
+    });
+  });
+
+  it("renders the Parallel Search description in Chinese", async () => {
+    const i18n = createInstance();
+    await i18n.init({
+      resources: { zh: { translation: zh } },
+      lng: "zh",
+      fallbackLng: false,
+    });
+    render(
+      <I18nextProvider i18n={i18n}>
+        <CustomMcpGroup servers={[]} onOpen={vi.fn()} onChanged={vi.fn()} />
+      </I18nextProvider>,
+    );
+
+    const preset = screen.getByTestId("mcp-preset-parallel-search");
+    expect(within(preset).getByText("实时网页搜索与 URL 内容获取。无需账户或 API 密钥。")).toBeTruthy();
+  });
+});
diff --git a/surfaces/gui/src/components/connectors/CustomMcp.tsx b/surfaces/gui/src/components/connectors/CustomMcp.tsx
index 532ab5eb2..9f43c38e6 100644
--- a/surfaces/gui/src/components/connectors/CustomMcp.tsx
+++ b/surfaces/gui/src/components/connectors/CustomMcp.tsx
@@ -31,8 +31,8 @@ import {
 // for a stdio entry: Live = a connection is open right now; Ready = the one-time
 // Test passed (subtitle carries "tested ⟨when⟩", persisted server-side).
 
-// Curated OAuth quick-adds: remote MCP servers with browser sign-in (OAuth 2.1 +
-// DCR) — no keys to paste, tokens stay in the local secret store.
+// Curated remote MCP quick-adds. OAuth presets keep tokens in the local secret
+// store; no-auth presets use the same explicit connection path without browser sign-in.
 // `blurb` is an i18n key, resolved at render time.
 export const MCP_PRESETS: {
   name: string;
@@ -46,6 +46,12 @@ export const MCP_PRESETS: {
     blurb: "mcp.preset_granola_blurb",
     config: { type: "http", url: "https://mcp.granola.ai/mcp", auth: "oauth" },
   },
+  {
+    name: "parallel-search",
+    label: "Parallel Search",
+    blurb: "mcp.preset_parallel_search_blurb",
+    config: { type: "http", url: "https://search.parallel.ai/mcp" },
+  },
 ];
 
 export function mcpChip(s: McpServer) {
@@ -148,7 +154,7 @@ export function CustomMcpGroup({
               role="button"
               onClick={async () => {
                 await addMcpServer(p.name, p.config);
-                await connectMcp(p.name); // opens the browser sign-in right away
+                await connectMcp(p.name); // OAuth presets may open browser sign-in
                 onChanged();
               }}
             >
diff --git a/surfaces/gui/src/locales/en.json b/surfaces/gui/src/locales/en.json
index 25cbc2602..c2931227a 100644
--- a/surfaces/gui/src/locales/en.json
+++ b/surfaces/gui/src/locales/en.json
@@ -1605,6 +1605,7 @@
     "choose_a_folder": "Choose a folder…"
   },
   "mcp": {
+    "preset_parallel_search_blurb": "Live web search & URL fetching. No account or API key required.",
     "preset_granola_blurb": "Meeting notes & transcripts — sign in with your Granola account.",
     "status_off": "Off",
     "status_signing_in": "Signing in…",
diff --git a/surfaces/gui/src/locales/zh.json b/surfaces/gui/src/locales/zh.json
index 65c3389d9..30a903f75 100644
--- a/surfaces/gui/src/locales/zh.json
+++ b/surfaces/gui/src/locales/zh.json
@@ -1574,6 +1574,7 @@
     "choose_a_folder": "选择一个文件夹…"
   },
   "mcp": {
+    "preset_parallel_search_blurb": "实时网页搜索与 URL 内容获取。无需账户或 API 密钥。",
     "preset_granola_blurb": "会议笔记与转录——用你的 Granola 账户登录。",
     "status_off": "已关闭",
     "status_signing_in": "登录中…",