diff --git a/packages/tools/package.json b/packages/tools/package.json
index 05f6b6f2..7a0b7aa3 100644
--- a/packages/tools/package.json
+++ b/packages/tools/package.json
@@ -8,7 +8,7 @@
     "dev": "tsdown --watch --ignore-watch .turbo",
     "check-types": "tsc --noEmit",
     "test": "vitest --testTimeout 100000",
-    "test:unit": "vitest run --testTimeout 100000 src/tools-shared.test.ts src/tool-operations.test.ts src/claude-memory.test.ts test/with-supermemory/unit.test.ts test/with-supermemory/conversation-conversion.test.ts test/openai-middleware.unit.test.ts test/mastra/unit.test.ts test/voltagent.unit.test.ts",
+    "test:unit": "vitest run --testTimeout 100000 src/tools-shared.test.ts src/tool-operations.test.ts src/claude-memory.test.ts src/shared/memory-client.test.ts test/with-supermemory/unit.test.ts test/with-supermemory/conversation-conversion.test.ts test/openai-middleware.unit.test.ts test/mastra/unit.test.ts test/voltagent.unit.test.ts",
     "test:watch": "vitest --watch --testTimeout 100000"
   },
   "dependencies": {
diff --git a/packages/tools/src/shared/memory-client.test.ts b/packages/tools/src/shared/memory-client.test.ts
index 4b4edc0a..dee35699 100644
--- a/packages/tools/src/shared/memory-client.test.ts
+++ b/packages/tools/src/shared/memory-client.test.ts
@@ -1,5 +1,5 @@
 import { afterEach, describe, expect, it, vi } from "vitest"
-import { buildMemoriesText } from "./memory-client"
+import { buildMemoriesText, supermemoryProfileSearch } from "./memory-client"
 import { createLogger } from "./logger"
 
 const API_KEY = "sm_test_key"
@@ -76,3 +76,72 @@ describe("buildMemoriesText", () => {
 		expect(memories.match(/User is allergic to peanuts/g)).toHaveLength(1)
 	})
 })
+
+describe("supermemoryProfileSearch request hardening", () => {
+	/** Captures the `fetch` init so the request options can be asserted. */
+	function captureRequestInit() {
+		const fetchMock = vi.fn().mockResolvedValue({
+			ok: true,
+			json: async () => ({ profile: { static: [], dynamic: [] } }),
+		})
+		vi.stubGlobal("fetch", fetchMock)
+		return () => fetchMock.mock.calls[0]?.[1] as RequestInit | undefined
+	}
+
+	// The request carries the API key in an Authorization header. Following a
+	// redirect would replay it against a host the caller never configured.
+	it("refuses to follow redirects", async () => {
+		const getInit = captureRequestInit()
+
+		await supermemoryProfileSearch(CONTAINER_TAG, "", BASE_URL, API_KEY)
+
+		expect(getInit()?.redirect).toBe("error")
+	})
+
+	// Mastra, VoltAgent and the exported helpers call this with no signal, so
+	// without an unconditional timeout a hung socket blocks the turn forever.
+	it("bounds the request even when the caller passes no signal", async () => {
+		const getInit = captureRequestInit()
+
+		await supermemoryProfileSearch(CONTAINER_TAG, "", BASE_URL, API_KEY)
+
+		const signal = getInit()?.signal
+		expect(signal).toBeInstanceOf(AbortSignal)
+		expect(signal?.aborted).toBe(false)
+	})
+
+	// The caller signal is composed with the timeout rather than replacing it,
+	// so a caller-side budget still shortens the request.
+	it("still aborts when the caller's signal fires", async () => {
+		const getInit = captureRequestInit()
+		const controller = new AbortController()
+
+		await supermemoryProfileSearch(
+			CONTAINER_TAG,
+			"",
+			BASE_URL,
+			API_KEY,
+			controller.signal,
+		)
+
+		const signal = getInit()?.signal
+		expect(signal?.aborted).toBe(false)
+		controller.abort(new Error("caller budget exhausted"))
+		expect(signal?.aborted).toBe(true)
+		expect((signal?.reason as Error).message).toBe("caller budget exhausted")
+	})
+
+	it("passes an already-aborted caller signal straight through", async () => {
+		const getInit = captureRequestInit()
+
+		await supermemoryProfileSearch(
+			CONTAINER_TAG,
+			"",
+			BASE_URL,
+			API_KEY,
+			AbortSignal.abort(new Error("already cancelled")),
+		)
+
+		expect(getInit()?.signal?.aborted).toBe(true)
+	})
+})
diff --git a/packages/tools/src/shared/memory-client.ts b/packages/tools/src/shared/memory-client.ts
index 5097f7a1..f8c688ba 100644
--- a/packages/tools/src/shared/memory-client.ts
+++ b/packages/tools/src/shared/memory-client.ts
@@ -15,6 +15,28 @@ import {
 	defaultPromptTemplate,
 } from "./prompt-builder"
 
+/**
+ * Upper bound for a single `/v4/profile` request, matching the budget the other
+ * Supermemory calls in this package already use (`/v4/conversations` and
+ * `/v4/memories`). Without it a stalled connection has no deadline at all: the
+ * Mastra and VoltAgent integrations, and the exported `buildMemoriesText` /
+ * `addSystemPrompt` helpers, call this function with no signal of their own, so
+ * a hung socket would block the agent turn forever.
+ */
+export const PROFILE_REQUEST_TIMEOUT_MS = 30_000
+
+/**
+ * Bound a request by the package timeout, keeping any caller signal live.
+ *
+ * The caller signal is composed with the timeout rather than replacing it, so
+ * a caller-supplied deadline can only ever shorten the request, never remove
+ * its upper bound.
+ */
+const withRequestTimeout = (signal?: AbortSignal): AbortSignal => {
+	const timeout = AbortSignal.timeout(PROFILE_REQUEST_TIMEOUT_MS)
+	return signal ? AbortSignal.any([signal, timeout]) : timeout
+}
+
 /**
  * Fetches profile and search results from the Supermemory API.
  *
@@ -22,7 +44,9 @@ import {
  * @param queryText - Optional query text for semantic search
  * @param baseUrl - The API base URL
  * @param apiKey - The API key for authentication
- * @param signal - Optional AbortSignal to cancel the request (e.g. retrieval timeout)
+ * @param signal - Optional AbortSignal to cancel the request early (e.g. a
+ *   caller-side retrieval budget). It is composed with the package timeout, so
+ *   it can shorten the request but never leaves it unbounded.
  * @returns The profile structure with static, dynamic, and search results
  */
 export const supermemoryProfileSearch = async (
@@ -51,7 +75,10 @@ export const supermemoryProfileSearch = async (
 				Authorization: `Bearer ${apiKey}`,
 			},
 			body: payload,
-			...(signal ? { signal } : {}),
+			// The request carries the API key in an Authorization header, so a
+			// redirect is refused rather than followed to an unverified host.
+			redirect: "error",
+			signal: withRequestTimeout(signal),
 		})
 
 		if (!response.ok) {