diff --git a/agents-flex-core/src/main/java/com/agentsflex/core/react/ReActAgentListener.java b/agents-flex-core/src/main/java/com/agentsflex/core/react/ReActAgentListener.java
new file mode 100644
index 0000000..f7e6c21
--- /dev/null
+++ b/agents-flex-core/src/main/java/com/agentsflex/core/react/ReActAgentListener.java
@@ -0,0 +1,141 @@
+/*
+ *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.agentsflex.core.react;
+
+import com.agentsflex.core.llm.ChatContext;
+import com.agentsflex.core.llm.functions.Function;
+import com.agentsflex.core.llm.response.AiMessageResponse;
+
+import java.util.List;
+
+/**
+ * ReActAgent 的监听器接口，用于监听执行过程中的关键事件。
+ */
+public interface ReActAgentListener {
+
+    /**
+     * 当 LLM 生成响应时触发
+     *
+     * @param response 原始响应内容
+     */
+    default void onChatResponse(AiMessageResponse response) {
+    }
+
+    /**
+     * 当 LLM 生成响应时触发
+     *
+     * @param context  上下文信息
+     * @param response 原始响应内容
+     */
+    default void onChatResponseStream(ChatContext context, AiMessageResponse response) {
+    }
+
+
+    /**
+     * 当未命中工具时触发
+     *
+     * @param response 原始响应内容
+     */
+    default void onNonActionResponse(AiMessageResponse response) {
+    }
+
+    /**
+     * 当未命中工具时触发
+     */
+    default void onNonActionResponseStream(ChatContext context) {
+    }
+
+
+    /**
+     * 当检测到最终答案时触发
+     *
+     * @param finalAnswer 最终答案内容
+     */
+    default void onFinalAnswer(String finalAnswer) {
+    }
+
+    /**
+     * 当调用工具前触发
+     *
+     * @param step 当前步骤
+     */
+    default void onActionStart(ReActStep step) {
+    }
+
+    /**
+     * 当调用工具完成后触发
+     *
+     * @param step   工具名称
+     * @param result 工具返回结果
+     */
+    default void onActionEnd(ReActStep step, Object result) {
+    }
+
+    /**
+     * 当达到最大迭代次数仍未获得答案时触发
+     */
+    default void onMaxIterationsReached() {
+    }
+
+
+    /**
+     * 当解析步骤时发生错误时触发
+     *
+     * @param content 错误内容
+     */
+    default void onStepParseError(String content) {
+
+    }
+
+    /**
+     * 当未匹配到任何工具时触发
+     *
+     * @param step      当前步骤
+     * @param functions 可用的工具列表
+     */
+    default void onActionNotMatched(ReActStep step, List<Function> functions) {
+
+    }
+
+    /**
+     * 当工具执行错误时触发
+     *
+     * @param e 错误对象
+     */
+    default void onActionInvokeError(Exception e) {
+
+    }
+
+    /**
+     * 当工具返回的 JSON 格式错误时触发
+     *
+     * @param step  当前步骤
+     * @param error 错误对象
+     */
+    default void onActionJsonParserError(ReActStep step, Exception error) {
+
+    }
+
+    /**
+     * 当发生异常时触发
+     *
+     * @param error 异常对象
+     */
+    default void onError(Exception error) {
+    }
+
+
+}