diff --git a/plugins/acp/acp_plugin_gamesdk/acp_client.py b/plugins/acp/acp_plugin_gamesdk/acp_client.py
index d705e4a0..6e0ad73f 100644
--- a/plugins/acp/acp_plugin_gamesdk/acp_client.py
+++ b/plugins/acp/acp_plugin_gamesdk/acp_client.py
@@ -25,6 +25,7 @@ def __init__(self, api_key: str, acp_token: AcpToken):
 
         self.acp_base_url = self.acp_token.acp_base_url
         self.base_url = self.acp_token.game_api_url + "/acp"
+        self.chain_id = self.acp_token.chain_id
 
     @property
     def agent_wallet_address(self) -> str:
@@ -49,6 +50,7 @@ def browse_agents(
     ) -> List[AcpAgent]:
 
         url = f"{self.acp_base_url}/agents"
+        hasGraduated = "true" if self.chain_id == 8453 else "false"
 
         params = {
             "search": query,
@@ -56,6 +58,7 @@ def browse_agents(
             "filters[walletAddress][$notIn]": self.agent_wallet_address,
             "rerank": "true" if rerank else "false",
             "top_k": top_k,
+            "filters[hasGraduated]": hasGraduated,
         }
         response = requests.get(url, params=params)
 
@@ -170,25 +173,20 @@ def create_job(
         return job_id
 
     def response_job(self, job_id: int, accept: bool, memo_id: int, reasoning: str):
-        if accept:
-            self.acp_token.sign_memo(memo_id, accept, reasoning)
-            time.sleep(5)
-
-            return self.acp_token.create_memo(
-                job_id=job_id,
-                content=f"Job {job_id} accepted. {reasoning}",
-                memo_type=MemoType.MESSAGE,
-                is_secured=False,
-                next_phase=AcpJobPhases.TRANSACTION
-            )
-        else:
-            return self.acp_token.create_memo(
-                job_id=job_id,
-                content=f"Job {job_id} rejected. {reasoning}",
-                memo_type=MemoType.MESSAGE,
-                is_secured=False,
-                next_phase=AcpJobPhases.REJECTED
-            )
+        self.acp_token.sign_memo(memo_id, accept, reasoning)
+        
+        if not accept:
+            return
+        
+        time.sleep(5)
+
+        return self.acp_token.create_memo(
+            job_id=job_id,
+            content=f"Job {job_id} accepted. {reasoning}",
+            memo_type=MemoType.MESSAGE,
+            is_secured=False,
+            next_phase=AcpJobPhases.TRANSACTION
+        )
 
     def make_payment(self, job_id: int, amount: float, memo_id: int, reason: str):
         # Convert amount to Wei (smallest ETH unit)
diff --git a/plugins/acp/acp_plugin_gamesdk/acp_token.py b/plugins/acp/acp_plugin_gamesdk/acp_token.py
index 671ccec4..fd6b3a28 100644
--- a/plugins/acp/acp_plugin_gamesdk/acp_token.py
+++ b/plugins/acp/acp_plugin_gamesdk/acp_token.py
@@ -93,6 +93,7 @@ def __init__(
         )
         self.acp_base_url = config.acp_api_url
         self.game_api_url = config.game_api_url
+        self.chain_id = config.chain_id
 
     def get_agent_wallet_address(self) -> str:
         return self.agent_wallet_address
diff --git a/plugins/acp/examples/reactive/buyer.py b/plugins/acp/examples/reactive/buyer.py
index e163d0cb..2dda0afe 100644
--- a/plugins/acp/examples/reactive/buyer.py
+++ b/plugins/acp/examples/reactive/buyer.py
@@ -53,6 +53,10 @@ def on_evaluate(deliverable: IDeliverable) -> Tuple[bool, str]:
 def buyer():
     # upon phase change, the buyer agent will respond to the transaction
     def on_phase_change(job: AcpJob) -> None:
+        if job.phase != AcpJobPhasesDesc.REJECTED:
+            print(f"Job phase is rejected.")
+            return
+        
         out = ""
         out += f"Buyer agent is reacting to job:\n{job}\n\n"