diff --git a/r2ai/auto.py b/r2ai/auto.py
index 639b528..05ca2af 100644
--- a/r2ai/auto.py
+++ b/r2ai/auto.py
@@ -7,7 +7,7 @@
 from litellm import _should_retry, acompletion, utils, ModelResponse
 import asyncio
 from .pipe import get_filename
-from .tools import r2cmd, run_python, execute_binary
+from .tools import r2cmd, run_python, execute_binary, schemas, print_tool_call
 import json
 import signal
 from .spinner import spinner
@@ -40,7 +40,7 @@
 """
 
 class ChatAuto:
-    def __init__(self, model, max_tokens = 1024, top_p=0.95, temperature=0.0, interpreter=None, system=None, tools=None, messages=None, tool_choice='auto', llama_instance=None, timeout=None, stream=True, cb=None ):
+    def __init__(self, model, max_tokens = 1024, top_p=0.95, temperature=0.0, interpreter=None, system=None, tools=None, messages=None, tool_choice='auto', llama_instance=None, timeout=60, stream=True, cb=None ):
         self.logger = LOGGER
         self.functions = {}
         self.tools = []
@@ -63,9 +63,13 @@ def __init__(self, model, max_tokens = 1024, top_p=0.95, temperature=0.0, interp
         self.tool_choice = None
         if tools:
             for tool in tools:
-                f = utils.function_to_dict(tool)
-                self.tools.append({ "type": "function", "function": f })
-                self.functions[f['name']] = tool
+                if tool.__name__ in schemas:
+                    schema = schemas[tool.__name__]
+                else:
+                    schema = utils.function_to_dict(tool)
+                
+                self.tools.append({ "type": "function", "function": schema })
+                self.functions[tool.__name__] = tool
             self.tool_choice = tool_choice
         self.llama_instance = llama_instance or interpreter.llama_instance if interpreter else None
         #self.tool_end_message = '\nNOTE: The user saw this output, do not repeat it.'
@@ -143,7 +147,9 @@ async def process_streaming_response(self, resp):
                     self.cb('message', { "content": "", "id": 'message_' + chunk.id, 'done': True })
                 self.cb('message_stream', { "content": m if m else '', "id": 'message_' + chunk.id, 'done': done })
         self.messages.append(current_message)
-        if len(current_message['tool_calls']) > 0:
+        if len(current_message['tool_calls']) == 0:
+            del current_message['tool_calls']
+        else:
             await self.process_tool_calls(current_message['tool_calls'])
         return current_message
 
@@ -247,8 +253,8 @@ async def get_completion(self):
     async def achat(self, messages=None) -> str:
         if messages:
             self.messages = messages
+        self.logger.debug(self.messages)
         response = await self.get_completion()
-        self.logger.debug(f'chat complete')
         return response
     
     def chat(self, **kwargs) -> str:
@@ -261,25 +267,12 @@ def cb(type, data):
             sys.stdout.write(data['content'])
     elif type == 'tool_call':
         builtins.print()
-        if data['function']['name'] == 'r2cmd':
-            builtins.print('\x1b[1;32m> \x1b[4m' + data['function']['arguments']['command'] + '\x1b[0m')
-        elif data['function']['name'] == 'run_python':
-            builtins.print('\x1b[1;32m> \x1b[4m' + "#!python" + '\x1b[0m')
-            builtins.print(data['function']['arguments']['command'])
-        elif data['function']['name'] == 'execute_binary':
-            filename = get_filename()
-            stdin = data['function']['arguments']['stdin']
-            args = data['function']['arguments']['args']
-            cmd = filename
-            if len(args) > 0:
-                cmd += ' ' + ' '.join(args)
-            if stdin:
-                cmd += f' stdin={stdin}'
-            builtins.print('\x1b[1;32m> \x1b[4m' + cmd + '\x1b[0m')
+        print_tool_call(data)
     elif type == 'tool_response':
         if 'content' in data:
             sys.stdout.write(data['content'])
             sys.stdout.flush()
+            builtins.print()
         # builtins.print(data['content'])
     elif type == 'message' and data['done']:
         builtins.print()
@@ -324,11 +317,4 @@ def chat(interpreter, **kwargs):
     finally:
         signal.signal(signal.SIGINT, original_handler)
         spinner.stop()
-        try:
-            pending = asyncio.all_tasks(loop=loop)
-            for task in pending:
-                task.cancel()
-            loop.run_until_complete(asyncio.gather(*pending, return_exceptions=True))
-            loop.run_until_complete(loop.shutdown_asyncgens())
-        finally:
-            loop.close()
\ No newline at end of file
+        litellm.in_memory_llm_clients_cache.clear()
\ No newline at end of file
diff --git a/r2ai/main.py b/r2ai/main.py
index 806dd6c..460018c 100755
--- a/r2ai/main.py
+++ b/r2ai/main.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 
 import os
+os.environ["TRANSFORMERS_NO_ADVISORY_WARNINGS"] = "1"
 import sys
 import builtins
 import traceback
diff --git a/r2ai/repl.py b/r2ai/repl.py
index ebab676..24d947e 100644
--- a/r2ai/repl.py
+++ b/r2ai/repl.py
@@ -14,7 +14,7 @@
 from .interpreter import Interpreter
 from .pipe import have_rlang, r2lang, r2singleton
 from r2ai import bubble, LOGGER
-
+from .test import run_test
 tab_init()
 
 print_buffer = ""
@@ -217,6 +217,10 @@ def runline(ai, usertext):
         print(help_message)
     elif usertext.startswith("clear") or usertext.startswith("-k"):
         print("\x1b[2J\x1b[0;0H\r")
+        if ai.messages:
+            ai.messages = []
+        if autoai and autoai.messages:
+            autoai.messages = []
     elif usertext.startswith("-MM"):
         print(models().strip())
     elif usertext.startswith("-M"):
@@ -469,6 +473,8 @@ def runline(ai, usertext):
             print("r2 is not available", file=sys.stderr)
         else:
             builtins.print(r2_cmd(usertext[1:]))
+    elif usertext.startswith("--test"):
+        run_test()
     elif usertext.startswith("-"):
         print(f"Unknown flag '{usertext}'. See 'r2ai -h' for help", file=sys.stderr)
     else:
diff --git a/r2ai/test.py b/r2ai/test.py
new file mode 100644
index 0000000..0a64ade
--- /dev/null
+++ b/r2ai/test.py
@@ -0,0 +1,37 @@
+import builtins
+from .tools import run_python, execute_binary, r2cmd
+import subprocess
+from .pipe import get_filename
+import time
+py_code = """
+print('hello test')
+"""
+
+def run_test(args):
+    if not args or len(args) == 0:
+        res = run_python(py_code).strip()
+        print(f"run_python: {res}", len(res))
+        assert res == "hello test"
+        print("run_python: test passed")
+        r2cmd("o--;o /bin/ls")
+        res = execute_binary(args=["-d", "/etc"]).strip()
+        subp = subprocess.run(["/bin/ls", "-d", "/etc"], capture_output=True, text=True)
+        print("exec result", res)
+        print("subp result", subp.stdout)
+        assert ''.join(res).strip() == subp.stdout.strip()
+        print("execute_binary with args: test passed")
+    else:
+        cmd, *args = args.split(" ", 1)
+        if cmd == "get_filename":
+            builtins.print(get_filename())
+        elif cmd == "run_python":
+            builtins.print(f"--- args ---")
+            builtins.print(args)
+            builtins.print(f"--- end args ---")
+            builtins.print(f"--- result ---")
+            builtins.print(run_python(args[0]))
+            builtins.print(f"--- end result ---")
+        elif cmd == "r2cmd":
+            builtins.print(f"--- {args} ---")
+            builtins.print(r2cmd(args))
+            builtins.print("--- end ---")
diff --git a/r2ai/tools.py b/r2ai/tools.py
index 6d89854..bafc032 100644
--- a/r2ai/tools.py
+++ b/r2ai/tools.py
@@ -1,6 +1,21 @@
 from r2ai.pipe import get_r2_inst
 import json
 import builtins
+import base64
+from .pipe import get_filename
+from . import LOGGER
+import time
+import sys
+from io import StringIO
+import subprocess
+import os
+is_plugin = False
+try:
+    import r2lang
+    is_plugin = True
+except Exception:
+    is_plugin = False
+    pass
 
 def r2cmd(command: str):
     """
@@ -17,8 +32,11 @@ def r2cmd(command: str):
         The output of the r2 command
     """
     r2 = get_r2_inst()
+    if command.startswith('r2 '):
+        return "You are already in r2!"
     cmd = '{"cmd":' + json.dumps(command) + '}'
     res = r2.cmd(cmd)
+
     try:
         res = json.loads(res)
         if 'error' in res and res['error'] is True:
@@ -29,6 +47,10 @@ def r2cmd(command: str):
         
         return res['res']
     except json.JSONDecodeError:
+        if type(res) == str:
+            spl = res.strip().split('\n')
+            if spl[-1].startswith('{"res":""'):
+                res = '\n'.join(spl[:-1])
         return res
     except Exception as e:
         # return { 'type': 'error', 'output': f"Error running r2cmd: {e}\nCommand: {command}\nResponse: {res}" }
@@ -49,34 +71,105 @@ def run_python(command: str):
         The output of the python script
     """
     r2 = get_r2_inst()
-    with open('r2ai_tmp.py', 'w') as f:
-        f.write(command)
-    r2 = get_r2_inst()
-    res = r2.cmd('#!python r2ai_tmp.py')
-    r2.cmd('rm r2ai_tmp.py')
-    return res
+    res = ""
+    is_plugin = False
+    python_path = sys.executable
+    try:
+        proc = subprocess.run([python_path, '-c', command], 
+                            capture_output=True,
+                            text=True)
+        res = proc.stdout
+        if proc.stderr:
+            res += proc.stderr
+    except Exception as e:
+        res = str(e)
+    
+    # if is_plugin:
+    #     base64cmd = base64.b64encode(command.encode('utf-8')).decode('utf-8')
+    #     res += r2cmd(f'#!python -e base64:{base64cmd} > .r2ai_tmp.log')
+    #     res += r2cmd('cat .r2ai_tmp.log')
+    #     r2cmd('rm .r2ai_tmp.log')
+    # else:
+    #     with open('r2ai_tmp.py', 'w') as f:
+    #         f.write(command)
+    #     r2 = get_r2_inst()
+    #     res += r2cmd('#!python r2ai_tmp.py > .r2ai_tmp.log')
+    #     time.sleep(0.1)
+    #     res += r2cmd('!cat .r2ai_tmp.log')
+    #     LOGGER.debug(f'run_python: {res}')
+    #     # r2cmd('rm r2ai_tmp.py')
+    #     # r2cmd('rm .r2ai_tmp.log')
+    return res        
+    
+
+schemas = {
+    "execute_binary": {
+        "name": "execute_binary",
+        "description": "Execute a binary with the given arguments and stdin",
+        "parameters": {
+        "type": "object",
+        "properties": {
+            "args": {
+                "description": "The arguments to pass to the binary. Do not include the file name.",
+                "type": "array",
+                "items": {
+                    "type": "string"
+                }
+            },
+            "stdin": {
+                "type": "string"
+            }
+            }
+        }
+    }
+}
 
 def execute_binary(args: list[str] = [], stdin: str = ""):
-    """
-    Execute a binary with the given arguments and stdin
+    filename = get_filename()
+    if filename:
+        if os.path.isabs(filename):
+            abs_path = os.path.abspath(filename)
+            if os.path.exists(abs_path):
+                filename = abs_path
+        else:
+            cwd_path = os.path.join(os.getcwd(), filename) 
+            if os.path.exists(cwd_path):
+                filename = cwd_path
+        try:
+            cmd = [filename] + args
+            proc = subprocess.run(cmd, input=stdin, capture_output=True, text=True)
+            res = proc.stdout
+            if proc.stderr:
+                res += proc.stderr
+            return res
+        except Exception as e:
+            return str(e)
+    return ""
+    # r2 = get_r2_inst()
+    # if stdin:
+    #     r2.cmd(f'dor stdin={json.dumps(stdin)}')
+    # if len(args) > 0:
+    #     r2.cmd(f"ood {' '.join(args)}")
+    # else:
+    #     r2.cmd("ood")
+    # res = r2cmd("dc")
+    # return res
 
-    Parameters
-    ----------
-    args: list[str]
-        The arguments to pass to the binary
-    stdin: str
-        The stdin to pass to the binary
 
-    Returns
-    -------
-    str
-        The output of the binary
-    """
 
-    r2 = get_r2_inst()
-    if len(args) > 0:
-        r2.cmd(f"dor {' '.join(args)}")
-    if stdin:
-        r2.cmd(f'dor stdin="{stdin}"')
-    r2.cmd("ood")
-    return r2cmd("dc")
+def print_tool_call(msg):
+    if msg['function']['name'] == 'r2cmd':
+        builtins.print('\x1b[1;32m> \x1b[4m' + msg['function']['arguments']['command'] + '\x1b[0m')
+    elif msg['function']['name'] == 'run_python':
+        builtins.print('\x1b[1;32m> \x1b[4m' + "#!python" + '\x1b[0m')
+        builtins.print(msg['function']['arguments']['command'])
+    elif msg['function']['name'] == 'execute_binary':
+        filename = get_filename() or 'bin'
+        stdin = msg['function']['arguments']['stdin'] if 'stdin' in msg['function']['arguments'] else None
+        args = msg['function']['arguments']['args'] if 'args' in msg['function']['arguments'] else []
+        cmd = filename
+        if args and len(args) > 0:
+            cmd += ' ' + ' '.join(args)
+        if stdin and len(stdin) > 0:
+            cmd += f' stdin={stdin}'
+        builtins.print('\x1b[1;32m> \x1b[4m' + cmd + '\x1b[0m')
diff --git a/r2ai/ui/app.py b/r2ai/ui/app.py
index 01ac4ec..a4e4656 100644
--- a/r2ai/ui/app.py
+++ b/r2ai/ui/app.py
@@ -22,6 +22,9 @@
 from .chat import chat
 import asyncio
 import json
+import re
+ANSI_REGEX = re.compile(r'\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~])')
+
 
 class ModelConfigDialog(SystemModalScreen):
     def __init__(self, keys: list[str]) -> None:
@@ -197,15 +200,15 @@ def on_message(self, type: str, message: any) -> None:
                 self.add_message(message["id"], "Tool Call", f"{message['function']['name']} > {message['function']['arguments']['command']}")
             elif message['function']['name'] == 'execute_binary':
                 args = message['function']['arguments']
-                output = get_filename()
+                output = get_filename() or "bin"
                 if 'args' in args and len(args['args']) > 0:
-                    output += f" {args['args'].join(' ')}\n"
+                    output += f" {' '.join(args['args'])}\n"
                 if 'stdin' in args and len(args['stdin']) > 0:
                     output += f" stdin={args['stdin']}\n"
                 
                 self.add_message(message["id"], "Tool Call", f"{message['function']['name']} > {output}")
         elif type == 'tool_response':
-            self.add_message(message["id"], "Tool Response", message['content'])
+            self.add_message(message["id"], "Tool Response", ANSI_REGEX.sub('', message['content']))
         
     async def send_message(self) -> None:
         input_widget = self.query_one("#chat-input", Input)
diff --git a/r2ai/ui/chat.py b/r2ai/ui/chat.py
index 9b88299..c2f0b58 100644
--- a/r2ai/ui/chat.py
+++ b/r2ai/ui/chat.py
@@ -15,11 +15,11 @@ def signal_handler(signum, frame):
 async def chat(ai, message, cb):
     model = ai.model.replace(":", "/")
     tools = [r2cmd, run_python, execute_binary]
-    messages = ai.messages + [{"role": "user", "content": message}]
+    ai.messages.append({"role": "user", "content": message})
     tool_choice = 'auto'
     if not is_litellm_model(model) and ai and not ai.llama_instance:
         ai.llama_instance = new_get_hf_llm(ai, model, int(ai.env["llm.window"]))
     
-    chat_auto = ChatAuto(model, interpreter=ai, system=SYSTEM_PROMPT_AUTO, tools=tools, messages=messages, tool_choice=tool_choice, cb=cb)
-    
+    chat_auto = ChatAuto(model, interpreter=ai, system=SYSTEM_PROMPT_AUTO, tools=tools, messages=ai.messages, tool_choice=tool_choice, cb=cb)
+
     return await chat_auto.achat()