diff --git a/modules/interfaces/interfaceDbApp.py b/modules/interfaces/interfaceDbApp.py
index bb75e972..e4384882 100644
--- a/modules/interfaces/interfaceDbApp.py
+++ b/modules/interfaces/interfaceDbApp.py
@@ -1266,11 +1266,27 @@ class AppObjects:
             return []
 
     def getUserConnectionById(self, connectionId: str) -> Optional[UserConnection]:
-        """Get a single UserConnection by ID."""
+        """Get a single UserConnection by ID or by reference string (connection:authority:username)."""
         try:
+            # Try direct UUID lookup first
             connections = self.db.getRecordset(
                 UserConnection, recordFilter={"id": connectionId}
             )
+
+            # Fallback: parse "connection:authority:username" format from AI agent
+            if not connections and connectionId.startswith("connection:"):
+                parts = connectionId.split(":", 2)
+                if len(parts) >= 3:
+                    authority = parts[1]
+                    username = parts[2]
+                    allConns = self.db.getRecordset(UserConnection, recordFilter={"externalUsername": username})
+                    for c in (allConns or []):
+                        a = c.get("authority", "")
+                        aVal = a.value if hasattr(a, "value") else str(a)
+                        if aVal == authority:
+                            connections = [c]
+                            break
+
             if connections:
                 conn_dict = connections[0]
                 return UserConnection(
diff --git a/modules/serviceCenter/services/serviceAgent/actionToolAdapter.py b/modules/serviceCenter/services/serviceAgent/actionToolAdapter.py
index 815be871..0026fa23 100644
--- a/modules/serviceCenter/services/serviceAgent/actionToolAdapter.py
+++ b/modules/serviceCenter/services/serviceAgent/actionToolAdapter.py
@@ -135,6 +135,11 @@ def _createDispatchHandler(actionExecutor, methodName: str, actionName: str):
     """Create an async handler that dispatches to the ActionExecutor."""
     async def _handler(args: Dict[str, Any], context: Dict[str, Any]) -> ToolResult:
         try:
+            if context:
+                if "featureInstanceId" not in args and context.get("featureInstanceId"):
+                    args["featureInstanceId"] = context["featureInstanceId"]
+                if "mandateId" not in args and context.get("mandateId"):
+                    args["mandateId"] = context["mandateId"]
             result = await actionExecutor.executeAction(methodName, actionName, args)
             data = _formatActionResult(result)
             return ToolResult(
diff --git a/modules/serviceCenter/services/serviceAgent/coreTools/_connectionTools.py b/modules/serviceCenter/services/serviceAgent/coreTools/_connectionTools.py
index e4018014..7073429f 100644
--- a/modules/serviceCenter/services/serviceAgent/coreTools/_connectionTools.py
+++ b/modules/serviceCenter/services/serviceAgent/coreTools/_connectionTools.py
@@ -44,12 +44,12 @@ def _registerConnectionTools(registry: ToolRegistry, services):
                 return ToolResult(toolCallId="", toolName="listConnections", success=True, data="No connections available.")
             lines = []
             for conn in connections:
+                connId = conn.get("id", "") if isinstance(conn, dict) else getattr(conn, "id", "")
                 authority = conn.get("authority", "?") if isinstance(conn, dict) else getattr(conn, "authority", "?")
                 authorityVal = authority.value if hasattr(authority, "value") else str(authority)
                 username = conn.get("externalUsername", "") if isinstance(conn, dict) else getattr(conn, "externalUsername", "")
                 email = conn.get("externalEmail", "") if isinstance(conn, dict) else getattr(conn, "externalEmail", "")
-                ref = f"connection:{authorityVal}:{username}"
-                lines.append(f"- {ref} ({email})")
+                lines.append(f"- connectionId: {connId} | {authorityVal} | {username} ({email})")
             return ToolResult(toolCallId="", toolName="listConnections", success=True, data="\n".join(lines))
         except Exception as e:
             return ToolResult(toolCallId="", toolName="listConnections", success=False, error=str(e))
@@ -137,7 +137,7 @@ def _registerConnectionTools(registry: ToolRegistry, services):
             return ToolResult(toolCallId="", toolName="sendMail", success=False, error=str(e))
 
     _connToolParams = {
-        "connectionId": {"type": "string", "description": "UserConnection ID"},
+        "connectionId": {"type": "string", "description": "UserConnection UUID (from listConnections output, e.g. '3fa85f64-...')"},
         "service": {"type": "string", "description": "Service name (sharepoint, outlook, drive, etc.)"},
     }
 
@@ -177,7 +177,7 @@ def _registerConnectionTools(registry: ToolRegistry, services):
         parameters={
             "type": "object",
             "properties": {
-                "connectionId": {"type": "string", "description": "UserConnection ID"},
+                "connectionId": {"type": "string", "description": "UserConnection UUID (from listConnections output)"},
                 "to": {"type": "array", "items": {"type": "string"}, "description": "Recipient email addresses"},
                 "subject": {"type": "string", "description": "Email subject"},
                 "body": {"type": "string", "description": "Email body — plain text or HTML markup"},
diff --git a/modules/serviceCenter/services/serviceAgent/mainServiceAgent.py b/modules/serviceCenter/services/serviceAgent/mainServiceAgent.py
index b24d9fcb..3638ccf6 100644
--- a/modules/serviceCenter/services/serviceAgent/mainServiceAgent.py
+++ b/modules/serviceCenter/services/serviceAgent/mainServiceAgent.py
@@ -267,6 +267,8 @@ class AgentService:
         registerCoreTools(registry, self.services)
 
         try:
+            from modules.workflows.processing.shared.methodDiscovery import discoverMethods
+            discoverMethods(self.services)
             from modules.workflows.processing.core.actionExecutor import ActionExecutor
             actionExecutor = ActionExecutor(self.services)
             adapter = ActionToolAdapter(actionExecutor)
@@ -293,10 +295,14 @@ class AgentService:
 
             userConnections: List[str] = []
             try:
-                connectionService = self._getService("connection")
-                if connectionService and hasattr(connectionService, "getConnections"):
-                    connections = connectionService.getConnections() or []
-                    userConnections = [c.get("authority", "") for c in connections if c.get("authority")]
+                chatService = self.services.chat if hasattr(self.services, "chat") else None
+                if chatService and hasattr(chatService, "getUserConnections"):
+                    connections = chatService.getUserConnections() or []
+                    for c in connections:
+                        authority = c.get("authority", "") if isinstance(c, dict) else getattr(c, "authority", "")
+                        authorityVal = authority.value if hasattr(authority, "value") else str(authority)
+                        if authorityVal:
+                            userConnections.append(authorityVal)
             except Exception as e:
                 logger.debug("Could not resolve user connections for toolbox activation: %s", e)
 
@@ -370,13 +376,23 @@ class AgentService:
                     if registry.isValidTool(toolName):
                         activatedCount += 1
                         continue
+                    try:
+                        from modules.serviceCenter.services.serviceAgent.coreTools import registerCoreTools
+                        registerCoreTools(registry, self.services)
+                        if registry.isValidTool(toolName):
+                            activatedCount += 1
+                            logger.info("requestToolbox: re-registered tool '%s' (core) from toolbox '%s'", toolName, toolboxId)
+                            continue
+                    except Exception:
+                        pass
                     try:
                         from modules.serviceCenter.services.serviceAgent.actionToolAdapter import ActionToolAdapter
-                        adapter = ActionToolAdapter(self._getService("actionExecutor"))
+                        from modules.workflows.processing.core.actionExecutor import ActionExecutor
+                        adapter = ActionToolAdapter(ActionExecutor(self.services))
                         adapter.registerAll(registry)
                         if registry.isValidTool(toolName):
                             activatedCount += 1
-                            logger.info("requestToolbox: re-registered tool '%s' from toolbox '%s'", toolName, toolboxId)
+                            logger.info("requestToolbox: re-registered tool '%s' (action) from toolbox '%s'", toolName, toolboxId)
                         else:
                             logger.warning("requestToolbox: tool '%s' from toolbox '%s' could not be registered", toolName, toolboxId)
                     except Exception as regErr:
diff --git a/modules/serviceCenter/services/serviceAgent/toolboxRegistry.py b/modules/serviceCenter/services/serviceAgent/toolboxRegistry.py
index 32440896..d05cfded 100644
--- a/modules/serviceCenter/services/serviceAgent/toolboxRegistry.py
+++ b/modules/serviceCenter/services/serviceAgent/toolboxRegistry.py
@@ -149,7 +149,7 @@ def _registerDefaultToolboxes() -> None:
             id="email",
             label="Email",
             description="Send emails or save as draft via Outlook (supports HTML body and file attachments). Use sendMail with draft=true for drafts.",
-            requiresConnection="microsoft",
+            requiresConnection="msft",
             isDefault=False,
             tools=[
                 "sendMail",
@@ -159,7 +159,7 @@ def _registerDefaultToolboxes() -> None:
             id="sharepoint",
             label="SharePoint",
             description="Access SharePoint sites, lists, and files",
-            requiresConnection="microsoft",
+            requiresConnection="msft",
             isDefault=False,
             tools=[
                 "sharepoint_findDocuments", "sharepoint_readDocuments",