diff --git a/froggy/tools/reasoning.py b/froggy/tools/reasoning.py
new file mode 100644
index 000000000..ca018367d
--- /dev/null
+++ b/froggy/tools/reasoning.py
@@ -0,0 +1,80 @@
+from froggy.tools import EnvironmentTool
+
+
+class ReasoningTool(EnvironmentTool):
+    name: str = "reasoning"
+    action: str = "<reasoning>"
+    description: str = "Preface any action with explicit reasoning tokens."
+
+    @property
+    def instructions(self):
+        assert hasattr(self, "environment")
+        instruction = {
+            "template": "<reasoning> ... </reasoning>",
+            "description": self.description,
+            "examples": self.examples,
+        }
+        return instruction
+    
+    @property
+    def examples(self):
+        if self.allow_chain_action:
+            ex = [
+                "<reasoning> The execution trace points to line 43 in main.py, so I'll place a breakpoint there.</reasoning> ```pdb b 43",
+                "<reasoning> There's a shape mismatch that corresponds to a matrix transpose, so I'll rewrite the function to account for the transpose. </reasoning> ```rewrite ....",
+            ]
+        else:
+            ex = [
+                "<reasoning> The execution trace points to line 43 in main.py, so I'll place a breakpoint there.</reasoning> ",
+                "<reasoning> There's a shape mismatch that corresponds to a matrix transpose, so I'll rewrite the function to account for the transpose. </reasoning>",
+            ]
+        return ex
+    
+    @property 
+    def description(self):
+        if self.allow_chain_action:
+            desc = f"""You may explicitly reason about the current state and the best course of action before executing. You follow a particular reasoning style: 
+You break down complex problems into smaller parts and reason through them step by step, arriving at the best next action before then executing it. You should follow your reasoning with your next action. """
+        else:
+            desc = f"""You may explicitly reason about the current state and the best course of action. You follow a particular reasoning style: 
+You break down complex problems into smaller parts and reason through them step by step, arriving at the best next action(s). """
+        return desc 
+
+    def __init__(self, allow_chain_action: bool = False):
+        super().__init__()
+        self.allow_chain_action = allow_chain_action
+
+    def register(self, environment):
+        from froggy.envs import RepoEnv
+
+        if not isinstance(environment, RepoEnv):
+            raise ValueError("The environment must be a RepoEnv instance.")
+
+        self.environment = environment
+
+    def is_triggered(self, action):
+        return action.startswith(self.action)
+    
+    def use(self, action):
+        if self.allow_chain_action:
+            return self.use_with_chaining(action)
+        else:
+            return self.use_without_chaining()
+
+    def use_with_chaining(self, action):
+        """Reasoning tokens are only to benefit the model, so we strip them and then pass the remainder of the action
+        as a free next action.
+        """
+        remaining_action = self.remove_reasoning(action)
+        # now execute the next action
+        next_action_obs = self.environment.step(remaining_action)
+        if next_action_obs == f"Invalid action: {action}.":
+            next_action_obs == f"You must provide a valid action after your reasoning. Found invalid action: {action}."
+        return f"Reasoning text acknowledged. {next_action_obs[0]}"
+    
+    def use_without_chaining(self):
+        return "Reasoning text acknowledged."
+
+    def remove_reasoning(self, action):
+        items = action.split("</reasoning>")
+        return " ".join(items[1:]).lstrip()
\ No newline at end of file
diff --git a/scripts/run.py b/scripts/run.py
index 22c09fd4b..8b41ca49b 100644
--- a/scripts/run.py
+++ b/scripts/run.py
@@ -55,6 +55,10 @@ def main():
             env.add_tool(
                 PDBTool(persistent_breakpoints=config["persistent_breakpoints"])
             )
+        elif "reasoning" == tool:
+            from froggy.tools.reasoning import ReasoningTool
+
+            env.add_tool(ReasoningTool())
         elif tool.startswith("patcher"):
             from froggy.tools.patchers import CodePatcher