TODOs done + cleanup

roboco/mcp/message_server.py

@@ -12,9 +12,8 @@ Tools:
 - roboco_channel_history: Get channel message history
 """
 
-from datetime import datetime, timedelta
+from datetime import UTC, datetime, timedelta
 from typing import Any
-from uuid import UUID
 
 import httpx
 from mcp.server.fastmcp import FastMCP
@@ -147,7 +146,7 @@ def create_message_mcp_server(agent_id: str) -> FastMCP:
             )
 
         limit = min(limit, 100)
-        since = datetime.utcnow() - timedelta(hours=hours_back)
+        since = datetime.now(UTC) - timedelta(hours=hours_back)
 
         async with httpx.AsyncClient() as client:
             # Get channel ID from slug

roboco/mcp/notify_server.py

@@ -11,9 +11,7 @@ Tools:
 - roboco_notify_send: Send a notification (PM/Board/Auditor only)
 """
 
-from datetime import datetime
 from typing import Any
-from uuid import UUID
 
 import httpx
 from mcp.server.fastmcp import FastMCP

roboco/mcp/task_server.py

@@ -20,15 +20,12 @@ Tools:
 - roboco_task_complete: Mark task complete
 """
 
-from datetime import datetime
 from typing import Any
-from uuid import UUID
 
 import httpx
 from mcp.server.fastmcp import FastMCP
 
 from roboco.config import settings
-from roboco.models.base import TaskStatus, Team
 
 # =============================================================================
 # VALID STATE TRANSITIONS