diff --git a/verl/experimental/agent_loop/tool_agent_loop.py b/verl/experimental/agent_loop/tool_agent_loop.py
index 1f6208dce9..55a4d4abc6 100644
--- a/verl/experimental/agent_loop/tool_agent_loop.py
+++ b/verl/experimental/agent_loop/tool_agent_loop.py
@@ -67,6 +67,7 @@ async def run(self, sampling_params: dict[str, Any], **kwargs) -> AgentLoopOutpu
             ),
         )
         response_mask = []
+        tools_kwargs = kwargs.get("tools_kwargs", {})
 
         user_turns, assistant_turns = 0, 0
         while True:
@@ -98,7 +99,7 @@ async def run(self, sampling_params: dict[str, Any], **kwargs) -> AgentLoopOutpu
             # call tools
             tasks = []
             for tool_call in tool_calls[: self.max_parallel_calls]:
-                tasks.append(self._call_tool(tool_call))
+                tasks.append(self._call_tool(tool_call, tools_kwargs))
             with simple_timer("tool_calls", metrics):
                 tool_responses = await asyncio.gather(*tasks)
             if any(isinstance(item, Exception) for item in tool_responses):
@@ -134,7 +135,7 @@ async def run(self, sampling_params: dict[str, Any], **kwargs) -> AgentLoopOutpu
         )
         return output
 
-    async def _call_tool(self, tool_call: FunctionCall) -> dict[str, str]:
+    async def _call_tool(self, tool_call: FunctionCall, tools_kwargs: dict[str, Any]) -> dict[str, str]:
         """Call tool and return tool response."""
         tool, instance_id = None, None
         try:
@@ -142,8 +143,8 @@ async def _call_tool(self, tool_call: FunctionCall) -> dict[str, str]:
             tool_name = tool_call.name
             tool_args = json.loads(tool_call.arguments)
             tool = self.tools[tool_name]
-
-            instance_id = await tool.create()
+            kwargs = tools_kwargs.get(tool_name, {})
+            instance_id = await tool.create(create_kwargs=kwargs.get("create_kwargs", {}))
             tool_response, _, _ = await tool.execute(instance_id, tool_args)
         except Exception as e:
             logger.exception(f"Error when executing tool: {e}")
diff --git a/verl/tools/gsm8k_tool.py b/verl/tools/gsm8k_tool.py
index fd11eeb6ba..e9048fcb95 100644
--- a/verl/tools/gsm8k_tool.py
+++ b/verl/tools/gsm8k_tool.py
@@ -67,6 +67,8 @@ def get_openai_tool_schema(self) -> OpenAIFunctionToolSchema:
     async def create(self, instance_id: Optional[str] = None, ground_truth: Optional[str] = None, **kwargs) -> str:
         if instance_id is None:
             instance_id = str(uuid4())
+        if ground_truth is None:
+            ground_truth = kwargs.get("create_kwargs", {}).get("ground_truth", None)
         self._instance_dict[instance_id] = {
             "response": "",
             "ground_truth": ground_truth,