diff --git a/apps/sim/blocks/blocks/sap_concur.ts b/apps/sim/blocks/blocks/sap_concur.ts
index b67e2178f4..f7e83b6bfb 100644
--- a/apps/sim/blocks/blocks/sap_concur.ts
+++ b/apps/sim/blocks/blocks/sap_concur.ts
@@ -44,6 +44,7 @@ const EXPENSE_READ_CONTEXT_TYPE_OPS = [
   'sap_concur_list_expenses',
   'sap_concur_get_expense',
   'sap_concur_get_itemizations',
+  'sap_concur_create_report_comment',
   'sap_concur_list_report_comments',
   'sap_concur_list_exceptions',
 ]
@@ -59,7 +60,6 @@ const ATTENDEE_CONTEXT_TYPE_OPS = [
   'sap_concur_list_attendee_associations',
   'sap_concur_associate_attendees',
   'sap_concur_remove_all_attendees',
-  'sap_concur_create_report_comment',
 ]
 
 const ALLOCATION_CONTEXT_TYPE_OPS = [
@@ -928,7 +928,7 @@ export const SapConcurBlock: BlockConfig<SapConcurProxyResponse> = {
       placeholder: 'List ID',
       condition: {
         field: 'operation',
-        value: ['sap_concur_get_list', 'sap_concur_list_list_items', 'sap_concur_get_list_item'],
+        value: ['sap_concur_get_list', 'sap_concur_list_list_items'],
       },
       required: {
         field: 'operation',
@@ -1080,7 +1080,7 @@ export const SapConcurBlock: BlockConfig<SapConcurProxyResponse> = {
       id: 'lastModifiedDate',
       title: 'Last Modified Date',
       type: 'short-input',
-      placeholder: 'YYYY-MM-DD or 1900-01-01T12:00:00',
+      placeholder: '1900-01-01T00:00:00 (UTC datetime)',
       condition: {
         field: 'operation',
         value: 'sap_concur_list_travel_profiles_summary',
@@ -1110,8 +1110,8 @@ export const SapConcurBlock: BlockConfig<SapConcurProxyResponse> = {
       type: 'dropdown',
       options: [
         { label: 'Any', id: '' },
-        { label: 'Active', id: 'Active' },
-        { label: 'Inactive', id: 'Inactive' },
+        { label: 'Active', id: '1' },
+        { label: 'Inactive', id: '0' },
       ],
       value: () => '',
       condition: { field: 'operation', value: 'sap_concur_list_travel_profiles_summary' },
@@ -1684,7 +1684,6 @@ export const SapConcurBlock: BlockConfig<SapConcurProxyResponse> = {
           case 'sap_concur_get_list_item':
             return {
               ...auth,
-              listId: params.listId || undefined,
               itemId: params.itemId,
             }
           case 'sap_concur_list_budgets':
@@ -1723,7 +1722,7 @@ export const SapConcurBlock: BlockConfig<SapConcurProxyResponse> = {
               page: params.travelProfilePage ? Number(params.travelProfilePage) : undefined,
               itemsPerPage: params.itemsPerPage ? Number(params.itemsPerPage) : undefined,
               active:
-                params.travelProfileActive === 'Active' || params.travelProfileActive === 'Inactive'
+                params.travelProfileActive === '1' || params.travelProfileActive === '0'
                   ? params.travelProfileActive
                   : undefined,
               travelConfigs: params.travelConfigs || undefined,
@@ -1886,7 +1885,10 @@ export const SapConcurBlock: BlockConfig<SapConcurProxyResponse> = {
     page: { type: 'number', description: 'Page number (lists/list_items)' },
     travelProfilePage: { type: 'number', description: 'Profile summary page number' },
     itemsPerPage: { type: 'number', description: 'Profile summary items per page' },
-    travelProfileActive: { type: 'string', description: 'Status filter ("Active" or "Inactive")' },
+    travelProfileActive: {
+      type: 'string',
+      description: 'Active filter ("1" for active, "0" for inactive)',
+    },
     travelConfigs: { type: 'string', description: 'Comma-separated travel config ids' },
     searchText: { type: 'string', description: 'Locations v5 free-text search' },
     locCode: { type: 'string', description: 'Locations v5 location code' },
diff --git a/apps/sim/tools/sap_concur/associate_attendees.ts b/apps/sim/tools/sap_concur/associate_attendees.ts
index 2efd05707c..ae75a711c1 100644
--- a/apps/sim/tools/sap_concur/associate_attendees.ts
+++ b/apps/sim/tools/sap_concur/associate_attendees.ts
@@ -12,7 +12,7 @@ export const associateAttendeesTool: ToolConfig<AssociateAttendeesParams, SapCon
     id: 'sap_concur_associate_attendees',
     name: 'SAP Concur Associate Attendees',
     description:
-      'Associate attendees with an expense (POST /expensereports/v4/users/{userId}/context/TRAVELER/reports/{reportId}/expenses/{expenseId}/attendees).',
+      'Associate attendees with an expense (POST /expensereports/v4/users/{userId}/context/{contextType}/reports/{reportId}/expenses/{expenseId}/attendees).',
     version: '1.0.0',
     params: {
       datacenter: {
diff --git a/apps/sim/tools/sap_concur/get_itemizations.ts b/apps/sim/tools/sap_concur/get_itemizations.ts
index 8abea8299c..f8645c71c3 100644
--- a/apps/sim/tools/sap_concur/get_itemizations.ts
+++ b/apps/sim/tools/sap_concur/get_itemizations.ts
@@ -66,7 +66,7 @@ export const getItemizationsTool: ToolConfig<GetItemizationsParams, SapConcurPro
       type: 'string',
       required: true,
       visibility: 'user-or-llm',
-      description: 'Access context (TRAVELER per the v4 spec)',
+      description: 'Access context: TRAVELER, MANAGER, or PROXY',
     },
     reportId: {
       type: 'string',
diff --git a/apps/sim/tools/sap_concur/get_itinerary.ts b/apps/sim/tools/sap_concur/get_itinerary.ts
index 61ffd3d9d0..bf6521d3c9 100644
--- a/apps/sim/tools/sap_concur/get_itinerary.ts
+++ b/apps/sim/tools/sap_concur/get_itinerary.ts
@@ -88,8 +88,8 @@ export const getItineraryTool: ToolConfig<GetItineraryParams, SapConcurProxyResp
     body: (params) => {
       const tripId = trimRequired(params.tripId, 'tripId')
       const query = buildListQuery({
-        useridType: params.useridType,
-        useridValue: params.useridValue,
+        userid_type: params.useridType,
+        userid_value: params.useridValue,
         systemFormat: params.systemFormat,
       })
       return {
diff --git a/apps/sim/tools/sap_concur/list_expenses.ts b/apps/sim/tools/sap_concur/list_expenses.ts
index 744973df63..8c90cd7749 100644
--- a/apps/sim/tools/sap_concur/list_expenses.ts
+++ b/apps/sim/tools/sap_concur/list_expenses.ts
@@ -66,7 +66,7 @@ export const listExpensesTool: ToolConfig<ListExpensesParams, SapConcurProxyResp
       type: 'string',
       required: true,
       visibility: 'user-or-llm',
-      description: 'Access context (TRAVELER per the v4 spec)',
+      description: 'Access context: TRAVELER, MANAGER, or PROXY',
     },
     reportId: {
       type: 'string',
diff --git a/apps/sim/tools/sap_concur/list_itineraries.ts b/apps/sim/tools/sap_concur/list_itineraries.ts
index 0cc3492a1c..15e4effcee 100644
--- a/apps/sim/tools/sap_concur/list_itineraries.ts
+++ b/apps/sim/tools/sap_concur/list_itineraries.ts
@@ -137,10 +137,10 @@ export const listItinerariesTool: ToolConfig<ListItinerariesParams, SapConcurPro
         startDate: params.startDate,
         endDate: params.endDate,
         bookingType: params.bookingType,
-        useridType: params.useridType,
-        useridValue: params.useridValue,
-        itemsPerPage: params.itemsPerPage,
-        page: params.page,
+        userid_type: params.useridType,
+        userid_value: params.useridValue,
+        ItemsPerPage: params.itemsPerPage,
+        Page: params.page,
         includeMetadata: params.includeMetadata,
         includeCanceledTrips: params.includeCanceledTrips,
         createdAfterDate: params.createdAfterDate,
diff --git a/apps/sim/tools/sap_concur/list_travel_profiles_summary.ts b/apps/sim/tools/sap_concur/list_travel_profiles_summary.ts
index 1659084a9e..0a009843fb 100644
--- a/apps/sim/tools/sap_concur/list_travel_profiles_summary.ts
+++ b/apps/sim/tools/sap_concur/list_travel_profiles_summary.ts
@@ -67,7 +67,7 @@ export const listTravelProfilesSummaryTool: ToolConfig<
       type: 'string',
       required: true,
       visibility: 'user-or-llm',
-      description: 'Required ISO 8601 date (YYYY-MM-DD or full timestamp)',
+      description: 'Required UTC datetime in YYYY-MM-DDThh:mm:ss format',
     },
     page: {
       type: 'number',
@@ -86,7 +86,7 @@ export const listTravelProfilesSummaryTool: ToolConfig<
       required: false,
       visibility: 'user-or-llm',
       description:
-        'Status filter (sent as Status query param): "Active" or "Inactive". Omit for all.',
+        'Active filter (sent as Active query param): "1" (active) or "0" (inactive). Omit for all.',
     },
     travelConfigs: {
       type: 'string',
@@ -105,7 +105,7 @@ export const listTravelProfilesSummaryTool: ToolConfig<
         LastModifiedDate: lastModifiedDate,
         Page: params.page,
         ItemsPerPage: params.itemsPerPage,
-        Status: params.active,
+        Active: params.active,
         travelConfigs: params.travelConfigs,
       })
       return {
diff --git a/apps/sim/tools/sap_concur/remove_all_attendees.ts b/apps/sim/tools/sap_concur/remove_all_attendees.ts
index e05ea5a66e..25003534b1 100644
--- a/apps/sim/tools/sap_concur/remove_all_attendees.ts
+++ b/apps/sim/tools/sap_concur/remove_all_attendees.ts
@@ -12,7 +12,7 @@ export const removeAllAttendeesTool: ToolConfig<RemoveAllAttendeesParams, SapCon
     id: 'sap_concur_remove_all_attendees',
     name: 'SAP Concur Remove All Attendees',
     description:
-      'Remove all attendees from an expense (DELETE /expensereports/v4/users/{userId}/context/TRAVELER/reports/{reportId}/expenses/{expenseId}/attendees).',
+      'Remove all attendees from an expense (DELETE /expensereports/v4/users/{userId}/context/{contextType}/reports/{reportId}/expenses/{expenseId}/attendees).',
     version: '1.0.0',
     params: {
       datacenter: {