diff --git a/api/app/routers/tools.py b/api/app/routers/tools.py
index 7d6291f..79f24e9 100644
--- a/api/app/routers/tools.py
+++ b/api/app/routers/tools.py
@@ -109,12 +109,6 @@ TOOL_ICON_MAP = {
 }
 
 TOOL_HTTP_DEFAULTS = {
-    "current_time": {
-        "http_method": "GET",
-        "http_url": "https://worldtimeapi.org/api/ip",
-        "http_headers": {},
-        "http_timeout_ms": 10000,
-    },
 }
 
 
@@ -126,7 +120,7 @@ def _normalize_http_method(method: Optional[str]) -> str:
 def _requires_http_request(category: str, tool_id: Optional[str]) -> bool:
     if category != "query":
         return False
-    return str(tool_id or "").strip() not in {"calculator", "code_interpreter"}
+    return str(tool_id or "").strip() not in {"calculator", "code_interpreter", "current_time"}
 
 
 def _validate_query_http_config(*, category: str, tool_id: Optional[str], http_url: Optional[str]) -> None:
diff --git a/engine/core/tool_executor.py b/engine/core/tool_executor.py
index 97d4c3d..407e199 100644
--- a/engine/core/tool_executor.py
+++ b/engine/core/tool_executor.py
@@ -3,6 +3,7 @@
 import asyncio
 import ast
 import operator
+from datetime import datetime
 from typing import Any, Dict
 
 import aiohttp
@@ -241,7 +242,21 @@ async def execute_server_tool(tool_call: Dict[str, Any]) -> Dict[str, Any]:
                 "status": {"code": 422, "message": "invalid_code"},
             }
 
-    if tool_name and tool_name not in {"calculator", "code_interpreter"}:
+    if tool_name == "current_time":
+        now = datetime.now().astimezone()
+        return {
+            "tool_call_id": call_id,
+            "name": tool_name,
+            "output": {
+                "local_time": now.strftime("%Y-%m-%d %H:%M:%S"),
+                "iso": now.isoformat(),
+                "timezone": str(now.tzinfo or ""),
+                "timestamp": int(now.timestamp()),
+            },
+            "status": {"code": 200, "message": "ok"},
+        }
+
+    if tool_name and tool_name not in {"calculator", "code_interpreter", "current_time"}:
         resource = await fetch_tool_resource(tool_name)
         if resource and str(resource.get("category") or "") == "query":
             method = str(resource.get("http_method") or "GET").strip().upper()
diff --git a/engine/tests/test_tool_executor.py b/engine/tests/test_tool_executor.py
index a6bde28..17345c7 100644
--- a/engine/tests/test_tool_executor.py
+++ b/engine/tests/test_tool_executor.py
@@ -31,3 +31,27 @@ async def test_code_interpreter_blocks_import_and_io():
     )
     assert result["status"]["code"] == 422
     assert result["status"]["message"] == "invalid_code"
+
+
+@pytest.mark.asyncio
+async def test_current_time_uses_local_system_clock(monkeypatch):
+    async def _should_not_be_called(_tool_id):
+        raise AssertionError("fetch_tool_resource should not be called for current_time")
+
+    monkeypatch.setattr("core.tool_executor.fetch_tool_resource", _should_not_be_called)
+
+    result = await execute_server_tool(
+        {
+            "id": "call_time_ok",
+            "function": {
+                "name": "current_time",
+                "arguments": "{}",
+            },
+        }
+    )
+
+    assert result["status"]["code"] == 200
+    assert result["status"]["message"] == "ok"
+    assert "local_time" in result["output"]
+    assert "iso" in result["output"]
+    assert "timestamp" in result["output"]