diff --git a/packages/core/src/tools/memoryTool.ts b/packages/core/src/tools/memoryTool.ts
index fff2d2be13..95c89b18bb 100644
--- a/packages/core/src/tools/memoryTool.ts
+++ b/packages/core/src/tools/memoryTool.ts
@@ -76,11 +76,16 @@ Do NOT use this tool:
 
 export const QWEN_CONFIG_DIR = '.qwen';
 export const DEFAULT_CONTEXT_FILENAME = 'QWEN.md';
+export const AGENT_CONTEXT_FILENAME = 'AGENTS.md';
 export const MEMORY_SECTION_HEADER = '## Qwen Added Memories';
 
-// This variable will hold the currently configured filename for QWEN.md context files.
-// It defaults to DEFAULT_CONTEXT_FILENAME but can be overridden by setGeminiMdFilename.
-let currentGeminiMdFilename: string | string[] = DEFAULT_CONTEXT_FILENAME;
+// This variable will hold the currently configured filename for context files.
+// It defaults to include both QWEN.md and AGENTS.md but can be overridden by setGeminiMdFilename.
+// QWEN.md is first to maintain backward compatibility (used by /init command and save_memory tool).
+let currentGeminiMdFilename: string | string[] = [
+  DEFAULT_CONTEXT_FILENAME,
+  AGENT_CONTEXT_FILENAME,
+];
 
 export function setGeminiMdFilename(newFilename: string | string[]): void {
   if (Array.isArray(newFilename)) {