From 35fe18b1633a2aca4697b1cab8fb8ba366f96d81 Mon Sep 17 00:00:00 2001
From: Ishaan Gupta <ishaankone@gmail.com>
Date: Sun, 8 Mar 2026 15:02:50 +0530
Subject: [PATCH 1/2] feat: Use LRUCache instead of Map in MemoryCache

---
 packages/tools/src/shared/cache.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/tools/src/shared/cache.ts b/packages/tools/src/shared/cache.ts
index 9125b24ca..15ce16fe4 100644
--- a/packages/tools/src/shared/cache.ts
+++ b/packages/tools/src/shared/cache.ts
@@ -1,3 +1,4 @@
+import { LRUCache } from "lru-cache"
 import type { MemoryMode } from "./types"
 
 /**
@@ -5,7 +6,7 @@ import type { MemoryMode } from "./types"
  * Used to cache memory retrieval results during tool-call loops within the same turn.
  */
 export class MemoryCache<T = string> {
-	private cache: Map<string, T> = new Map()
+	private cache: LRUCache<string, T> = new LRUCache({ max: 100 })
 
 	/**
 	 * Generates a cache key for the current turn based on context parameters.

From 035f78de0ceb9ea236c7ea9d976af6d936aa997a Mon Sep 17 00:00:00 2001
From: Ishaan Gupta <ishaankone@gmail.com>
Date: Sun, 8 Mar 2026 15:10:13 +0530
Subject: [PATCH 2/2] add dependency in package.json

---
 packages/tools/package.json | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/tools/package.json b/packages/tools/package.json
index 39cde98d8..5195c058c 100644
--- a/packages/tools/package.json
+++ b/packages/tools/package.json
@@ -14,6 +14,7 @@
     "@ai-sdk/anthropic": "^2.0.25",
     "@ai-sdk/openai": "^2.0.23",
     "ai": "^5.0.29",
+    "lru-cache": "^11.2.6",
     "openai": "^4.104.0",
     "supermemory": "^3.0.0-alpha.26",
     "zod": "^4.1.5"