diff --git a/Calculator_GUI/sample.py b/Calculator_GUI/sample.py
new file mode 100644
index 00000000..5efca21a
--- /dev/null
+++ b/Calculator_GUI/sample.py
@@ -0,0 +1,32 @@
+"""Intentionally insecure sample used to exercise Rudra's detectors.
+Do NOT copy any of this into real code."""
+import os
+import pickle
+
+import openai
+from flask import request
+from langchain.agents import load_tools
+from langchain_experimental.tools import PythonREPLTool
+
+openai.api_key = "sk-proj-AbC123DeF456ghi789JkL012mno345PqR"  # LLM02: hardcoded key
+
+
+def summarize():
+    user_text = request.args.get("q")                       # untrusted input
+    resp = openai.chat.completions.create(                  # LLM10: no max_tokens
+        model="gpt-4o",
+        messages=[{"role": "user", "content": f"Summarize: {user_text}"}],  # LLM01
+    )
+    code = resp.choices[0].message.content
+    return eval(code)                                       # LLM05: output -> eval
+
+
+def load_model(path):
+    with open(path, "rb") as fh:
+        return pickle.load(fh)                              # LLM04: unsafe deserialize
+
+
+def build_agent(llm):
+    tools = load_tools(["terminal", "llm-math"])            # LLM06: dangerous tool
+    repl = PythonREPLTool()                                 # LLM06: code execution
+    return tools, repl