From 4b6127ac40ba3e00b50f30c39ca576e8d2789f60 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9A=D0=B8=D1=80=D0=B8=D0=BB=D0=BB=20=D0=9A=D1=83=D1=82?=
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 <kirillkutlahmetov10@gmail.com>
Date: Wed, 27 May 2026 13:11:57 +0000
Subject: [PATCH] add tools.py

---
 tools.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 tools.py

diff --git a/tools.py b/tools.py
new file mode 100644
index 0000000..f5f2e61
--- /dev/null
+++ b/tools.py
@@ -0,0 +1,17 @@
+"""
+Utility tools used by the deep agent.
+
+The functions are decorated with `@tool` from langchain and can be called by the agent.
+"""
+
+from langchain.tools import tool
+
+@tool
+def echo(text: str) -> str:
+    """Return the same text – useful for demonstration."""
+    return f"Echo: {text}"
+
+@tool
+def add(a: int, b: int) -> int:
+    """Add two integers."""
+    return a + b