diff --git a/tests/test_agent_tools_wiring.py b/tests/test_agent_tools_wiring.py
index 789bb1b..26047a3 100644
--- a/tests/test_agent_tools_wiring.py
+++ b/tests/test_agent_tools_wiring.py
@@ -1,6 +1,7 @@
 import pytest
 import sys
 import os
+import ai_client
 
 # Ensure project root is in path
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
@@ -9,8 +10,11 @@ from ai_client import set_agent_tools, _build_anthropic_tools
 
 def test_set_agent_tools() -> None:
  agent_tools = {"read_file": True, "list_directory": False}
+ # Set cache to verify it gets cleared
+ ai_client._CACHED_ANTHROPIC_TOOLS = [{"name": "dummy"}]
  set_agent_tools(agent_tools)
- pytest.fail("TODO: Implement assertions")
+ assert ai_client._agent_tools == agent_tools
+ assert ai_client._CACHED_ANTHROPIC_TOOLS is None
 
 def test_build_anthropic_tools_conversion() -> None:
  set_agent_tools({"read_file": True})