diff --git a/src/agents/memory-search.test.ts b/src/agents/memory-search.test.ts
index beab0b18e08..066688bae49 100644
--- a/src/agents/memory-search.test.ts
+++ b/src/agents/memory-search.test.ts
@@ -4,6 +4,7 @@ import {
   clearMemoryEmbeddingProviders,
   registerMemoryEmbeddingProvider,
 } from "../plugins/memory-embedding-providers.js";
+import { MAX_TIMER_TIMEOUT_MS } from "../shared/number-coercion.js";
 import { resolveMemorySearchConfig, resolveMemorySearchSyncConfig } from "./memory-search.js";
 
 const asConfig = (cfg: OpenClawConfig): OpenClawConfig => cfg;
@@ -529,6 +530,50 @@ describe("memory search config", () => {
     expectDefaultRemoteBatch(resolved);
   });
 
+  it("normalizes remote batch timer config once before provider adapters receive it", () => {
+    const cfg = asConfig({
+      agents: {
+        defaults: {
+          memorySearch: {
+            provider: "openai",
+            remote: {
+              batch: {
+                pollIntervalMs: Number.MAX_SAFE_INTEGER,
+                timeoutMinutes: Number.MAX_SAFE_INTEGER,
+              },
+            },
+          },
+        },
+      },
+    });
+
+    const resolved = resolveMemorySearchConfig(cfg, "main");
+
+    expect(resolved?.remote?.batch?.pollIntervalMs).toBe(MAX_TIMER_TIMEOUT_MS);
+    expect(resolved?.remote?.batch?.timeoutMinutes).toBe(Math.floor(MAX_TIMER_TIMEOUT_MS / 60_000));
+  });
+
+  it("keeps the default remote batch poll delay for zero intervals", () => {
+    const cfg = asConfig({
+      agents: {
+        defaults: {
+          memorySearch: {
+            provider: "openai",
+            remote: {
+              batch: {
+                pollIntervalMs: 0,
+              },
+            },
+          },
+        },
+      },
+    });
+
+    const resolved = resolveMemorySearchConfig(cfg, "main");
+
+    expect(resolved?.remote?.batch?.pollIntervalMs).toBe(2000);
+  });
+
   it("keeps remote unset for local provider without overrides", () => {
     const cfg = configWithDefaultProvider("local");
     const resolved = resolveMemorySearchConfig(cfg, "main");
diff --git a/src/agents/memory-search.ts b/src/agents/memory-search.ts
index 38ebbe2bdee..3530d19073c 100644
--- a/src/agents/memory-search.ts
+++ b/src/agents/memory-search.ts
@@ -4,6 +4,10 @@ import {
   findNormalizedProviderValue,
   normalizeProviderId,
 } from "@openclaw/model-catalog-core/provider-id";
+import {
+  MAX_TIMER_TIMEOUT_MS,
+  resolvePositiveTimerTimeoutMs,
+} from "@openclaw/normalization-core/number-coercion";
 import {
   normalizeStringEntries,
   uniqueStrings,
@@ -126,6 +130,29 @@ const DEFAULT_TEMPORAL_DECAY_HALF_LIFE_DAYS = 30;
 const DEFAULT_CACHE_ENABLED = true;
 const DEFAULT_SOURCES: Array<"memory" | "sessions"> = ["memory"];
 const DEFAULT_MEMORY_EMBEDDING_PROVIDER = "openai";
+const DEFAULT_REMOTE_BATCH_POLL_INTERVAL_MS = 2_000;
+const DEFAULT_REMOTE_BATCH_TIMEOUT_MINUTES = 60;
+const MAX_REMOTE_BATCH_TIMEOUT_MINUTES = Math.floor(MAX_TIMER_TIMEOUT_MS / 60_000);
+
+function resolveRemoteBatchPollIntervalMs(
+  overrideValue: number | undefined,
+  defaultValue: number | undefined,
+): number {
+  return resolvePositiveTimerTimeoutMs(
+    overrideValue ?? defaultValue,
+    DEFAULT_REMOTE_BATCH_POLL_INTERVAL_MS,
+  );
+}
+
+function resolveRemoteBatchTimeoutMinutes(
+  overrideValue: number | undefined,
+  defaultValue: number | undefined,
+): number {
+  const value = overrideValue ?? defaultValue;
+  return typeof value === "number" && Number.isFinite(value) && value > 0
+    ? clampInt(value, 1, MAX_REMOTE_BATCH_TIMEOUT_MINUTES)
+    : DEFAULT_REMOTE_BATCH_TIMEOUT_MINUTES;
+}
 
 function normalizeSources(
   sources: Array<"memory" | "sessions"> | undefined,
@@ -221,10 +248,14 @@ function mergeConfig(
       1,
       overrideRemote?.batch?.concurrency ?? defaultRemote?.batch?.concurrency ?? 2,
     ),
-    pollIntervalMs:
-      overrideRemote?.batch?.pollIntervalMs ?? defaultRemote?.batch?.pollIntervalMs ?? 2000,
-    timeoutMinutes:
-      overrideRemote?.batch?.timeoutMinutes ?? defaultRemote?.batch?.timeoutMinutes ?? 60,
+    pollIntervalMs: resolveRemoteBatchPollIntervalMs(
+      overrideRemote?.batch?.pollIntervalMs,
+      defaultRemote?.batch?.pollIntervalMs,
+    ),
+    timeoutMinutes: resolveRemoteBatchTimeoutMinutes(
+      overrideRemote?.batch?.timeoutMinutes,
+      defaultRemote?.batch?.timeoutMinutes,
+    ),
   };
   const remote = includeRemote
     ? {