Fix time server MCP error compatibility

src/time/src/mcp_server_time/server.py

@@ -9,7 +9,11 @@
 from mcp.server import Server
 from mcp.server.stdio import stdio_server
 from mcp.types import Tool, ToolAnnotations, TextContent, ImageContent, EmbeddedResource, ErrorData, INVALID_PARAMS
-from mcp.shared.exceptions import McpError
+try:
+    from mcp.shared.exceptions import MCPError
+except ImportError:
+    # Fallback for older versions of the mcp SDK
+    from mcp.shared.exceptions import McpError as MCPError
 
 from pydantic import BaseModel
 
@@ -54,7 +58,11 @@ def get_zoneinfo(timezone_name: str) -> ZoneInfo:
     try:
         return ZoneInfo(timezone_name)
     except Exception as e:
-        raise McpError(ErrorData(code=INVALID_PARAMS, message=f"Invalid timezone: {str(e)}"))
+        error_data = ErrorData(code=INVALID_PARAMS, message=f"Invalid timezone: {str(e)}")
+        try:
+            raise MCPError(INVALID_PARAMS, error_data.message, error_data)
+        except TypeError:
+            raise MCPError(error_data)
 
 
 class TimeServer:

src/time/test/time_server_test.py

@@ -1,10 +1,14 @@
 
 from freezegun import freeze_time
-from mcp.shared.exceptions import McpError
 import pytest
 from unittest.mock import patch
 from zoneinfo import ZoneInfo
 
+try:
+    from mcp.shared.exceptions import MCPError
+except ImportError:
+    from mcp.shared.exceptions import McpError as MCPError
+
 from mcp_server_time.server import TimeServer, get_local_tz
 
 
@@ -85,7 +89,7 @@ def test_get_current_time(test_time, timezone, expected):
 def test_get_current_time_with_invalid_timezone():
     time_server = TimeServer()
     with pytest.raises(
-        McpError,
+        MCPError,
         match=r"Invalid timezone: 'No time zone found with key Invalid/Timezone'",
     ):
         time_server.get_current_time("Invalid/Timezone")
@@ -116,7 +120,7 @@ def test_get_current_time_with_invalid_timezone():
 )
 def test_convert_time_errors(source_tz, time_str, target_tz, expected_error):
     time_server = TimeServer()
-    with pytest.raises((McpError, ValueError), match=expected_error):
+    with pytest.raises((MCPError, ValueError), match=expected_error):
         time_server.convert_time(source_tz, time_str, target_tz)