diff --git a/agentscope-harness/src/main/java/io/agentscope/harness/agent/HarnessAgentBuilderSupport.java b/agentscope-harness/src/main/java/io/agentscope/harness/agent/HarnessAgentBuilderSupport.java
index b688bec510..12c0fccc1f 100644
--- a/agentscope-harness/src/main/java/io/agentscope/harness/agent/HarnessAgentBuilderSupport.java
+++ b/agentscope-harness/src/main/java/io/agentscope/harness/agent/HarnessAgentBuilderSupport.java
@@ -36,6 +36,7 @@
 import io.agentscope.harness.agent.filesystem.remote.store.NamespaceFactory;
 import io.agentscope.harness.agent.filesystem.sandbox.SandboxBackedFilesystem;
 import io.agentscope.harness.agent.filesystem.spec.LocalFilesystemSpec;
+import io.agentscope.harness.agent.memory.MemoryConfig;
 import io.agentscope.harness.agent.memory.compaction.CompactionConfig;
 import io.agentscope.harness.agent.memory.compaction.ToolResultEvictionConfig;
 import io.agentscope.harness.agent.middleware.DynamicSubagentsMiddleware;
@@ -311,6 +312,7 @@ static SubagentFactory buildGeneralPurposeFactory(
         final boolean capturedAgentTracingLogEnabled = b.agentTracingLogEnabled;
         final List<String> capturedAdditionalContextFiles = List.copyOf(b.additionalContextFiles);
         final int capturedMaxContextTokens = b.maxContextTokens;
+        final MemoryConfig capturedMemoryConfig = b.memoryConfig;
         // Propagate the parent's (distributed) state store so an exposed subagent can be
         // re-materialized on another node / after a restart and still load its conversation
         // history by sessionId. Null in purely local default deployments — children then keep
@@ -356,6 +358,7 @@ static SubagentFactory buildGeneralPurposeFactory(
             if (capturedModelExec != null) sub.modelExecutionConfig(capturedModelExec);
             if (capturedToolExec != null) sub.toolExecutionConfig(capturedToolExec);
             if (capturedGenOpts != null) sub.generateOptions(capturedGenOpts);
+            sub.memory(capturedMemoryConfig);
             if (capturedDisableCompaction) {
                 sub.disableCompaction();
             } else if (capturedCompactionConfig != null) {
diff --git a/agentscope-harness/src/test/java/io/agentscope/harness/agent/HarnessAgentTest.java b/agentscope-harness/src/test/java/io/agentscope/harness/agent/HarnessAgentTest.java
index aeed55da73..69ea8020af 100644
--- a/agentscope-harness/src/test/java/io/agentscope/harness/agent/HarnessAgentTest.java
+++ b/agentscope-harness/src/test/java/io/agentscope/harness/agent/HarnessAgentTest.java
@@ -54,6 +54,7 @@
 import io.agentscope.harness.agent.filesystem.local.LocalFilesystem;
 import io.agentscope.harness.agent.filesystem.remote.store.InMemoryStore;
 import io.agentscope.harness.agent.filesystem.spec.RemoteFilesystemSpec;
+import io.agentscope.harness.agent.memory.MemoryConfig;
 import io.agentscope.harness.agent.memory.compaction.CompactionConfig;
 import io.agentscope.harness.agent.middleware.AgentTraceMiddleware;
 import io.agentscope.harness.agent.middleware.SubagentEntry;
@@ -1181,6 +1182,76 @@ void generalPurpose_mirrorCompactionConfig() throws Exception {
         assertNotNull(child.getCompactionHook(), "CompactionHook should be mirrored to GP child");
     }
 
+    @Test
+    void generalPurpose_inheritsMemoryConfig_fromParent() throws Exception {
+        Files.createDirectories(workspace);
+
+        Model parentModel = stubModel("ok");
+        Model memoryModel = mock(Model.class);
+        when(memoryModel.getModelName()).thenReturn("memory-model");
+        ChatResponse memoryChunk =
+                new ChatResponse(
+                        "memory-id",
+                        List.of(TextBlock.builder().text("memory-done").build()),
+                        null,
+                        Map.of(),
+                        "stop");
+        when(memoryModel.stream(anyList(), anyList(), any())).thenReturn(Flux.just(memoryChunk));
+
+        MemoryConfig memoryConfig =
+                MemoryConfig.builder()
+                        .model(memoryModel)
+                        .consolidationMinGap(Duration.ofMinutes(1))
+                        .build();
+
+        List<SubagentEntry> entries =
+                HarnessAgent.builder()
+                        .model(parentModel)
+                        .workspace(workspace)
+                        .memory(memoryConfig)
+                        .buildSubagentEntries(workspace);
+
+        HarnessAgent child =
+                (HarnessAgent)
+                        entries.stream()
+                                .filter(e -> "general-purpose".equals(e.name()))
+                                .findFirst()
+                                .orElseThrow()
+                                .factory()
+                                .create(RuntimeContext.empty());
+
+        child.call(userText("hi, keep this in memory"), RuntimeContext.empty()).block();
+
+        verify(memoryModel).stream(any(), any(), any());
+        verify(parentModel, atLeast(1)).stream(any(), any(), any());
+    }
+
+    @Test
+    void generalPurpose_withoutMemoryConfig_usesParentModelOnly() throws Exception {
+        Files.createDirectories(workspace);
+
+        Model parentModel = stubModel("ok");
+
+        List<SubagentEntry> entries =
+                HarnessAgent.builder()
+                        .model(parentModel)
+                        .workspace(workspace)
+                        .buildSubagentEntries(workspace);
+
+        HarnessAgent child =
+                (HarnessAgent)
+                        entries.stream()
+                                .filter(e -> "general-purpose".equals(e.name()))
+                                .findFirst()
+                                .orElseThrow()
+                                .factory()
+                                .create(RuntimeContext.empty());
+
+        child.call(userText("hi, no memory config"), RuntimeContext.empty()).block();
+
+        verify(parentModel, atLeast(1)).stream(any(), any(), any());
+    }
+
     // =========================================================================
     // Multiple declarations → same definition workspace
     // =========================================================================