diff --git a/static/app/views/detectors/components/detectorListConnectedAutomations.spec.tsx b/static/app/views/detectors/components/detectorListConnectedAutomations.spec.tsx
new file mode 100644
index 00000000000000..e0d0f7485fb6d2
--- /dev/null
+++ b/static/app/views/detectors/components/detectorListConnectedAutomations.spec.tsx
@@ -0,0 +1,95 @@
+import {AutomationFixture} from 'sentry-fixture/automations';
+import {IssueStreamDetectorFixture} from 'sentry-fixture/detectors';
+
+import {render, screen, userEvent} from 'sentry-test/reactTestingLibrary';
+
+import {DetectorListConnectedAutomations} from 'sentry/views/detectors/components/detectorListConnectedAutomations';
+
+describe('DetectorListConnectedAutomations', () => {
+  beforeEach(() => {
+    MockApiClient.clearMockResponses();
+  });
+
+  it('renders combined count of direct and project alerts', async () => {
+    MockApiClient.addMockResponse({
+      url: '/organizations/org-slug/workflows/',
+      body: [
+        AutomationFixture({id: '1', name: 'Direct Alert'}),
+        AutomationFixture({id: '2', name: 'Project Alert'}),
+      ],
+    });
+
+    MockApiClient.addMockResponse({
+      url: '/organizations/org-slug/detectors/',
+      body: [IssueStreamDetectorFixture({workflowIds: ['2']})],
+    });
+
+    render(<DetectorListConnectedAutomations automationIds={['1']} projectId="1" />);
+
+    expect(await screen.findByText('2 alerts')).toBeInTheDocument();
+  });
+
+  it('deduplicates automation ids from both sources', async () => {
+    MockApiClient.addMockResponse({
+      url: '/organizations/org-slug/workflows/',
+      body: [AutomationFixture({id: '1', name: 'Shared Alert'})],
+    });
+
+    MockApiClient.addMockResponse({
+      url: '/organizations/org-slug/detectors/',
+      body: [IssueStreamDetectorFixture({workflowIds: ['1']})],
+    });
+
+    render(<DetectorListConnectedAutomations automationIds={['1']} projectId="1" />);
+
+    expect(await screen.findByText('1 alert')).toBeInTheDocument();
+  });
+
+  it('renders empty cell when no automations are connected', async () => {
+    MockApiClient.addMockResponse({
+      url: '/organizations/org-slug/workflows/',
+      body: [],
+    });
+
+    MockApiClient.addMockResponse({
+      url: '/organizations/org-slug/detectors/',
+      body: [IssueStreamDetectorFixture({workflowIds: []})],
+    });
+
+    render(<DetectorListConnectedAutomations automationIds={[]} projectId="1" />);
+
+    // EmptyCell renders an em dash
+    expect(await screen.findByText('—')).toBeInTheDocument();
+  });
+
+  it('shows automation names in hovercard on hover', async () => {
+    MockApiClient.addMockResponse({
+      url: '/organizations/org-slug/workflows/',
+      body: [
+        AutomationFixture({id: '1', name: 'Direct Alert'}),
+        AutomationFixture({id: '2', name: 'Project Alert'}),
+      ],
+    });
+
+    MockApiClient.addMockResponse({
+      url: '/organizations/org-slug/detectors/',
+      body: [IssueStreamDetectorFixture({workflowIds: ['2']})],
+    });
+
+    render(<DetectorListConnectedAutomations automationIds={['1']} projectId="1" />);
+
+    await userEvent.hover(await screen.findByText('2 alerts'));
+
+    const directAlert = await screen.findByText('Direct Alert');
+    const projectAlert = screen.getByText('Project Alert');
+
+    expect(directAlert.closest('a')).toHaveAttribute(
+      'href',
+      '/organizations/org-slug/monitors/alerts/1/'
+    );
+    expect(projectAlert.closest('a')).toHaveAttribute(
+      'href',
+      '/organizations/org-slug/monitors/alerts/2/'
+    );
+  });
+});
diff --git a/static/app/views/detectors/components/detectorListConnectedAutomations.tsx b/static/app/views/detectors/components/detectorListConnectedAutomations.tsx
index 912396682c29f2..1fd7c88a5e5ee4 100644
--- a/static/app/views/detectors/components/detectorListConnectedAutomations.tsx
+++ b/static/app/views/detectors/components/detectorListConnectedAutomations.tsx
@@ -1,3 +1,4 @@
+import {useMemo} from 'react';
 import {ClassNames} from '@emotion/react';
 import styled from '@emotion/styled';
 
@@ -15,9 +16,11 @@ import {AutomationActionSummary} from 'sentry/views/automations/components/autom
 import {useAutomationsQuery} from 'sentry/views/automations/hooks';
 import {getAutomationActions} from 'sentry/views/automations/hooks/utils';
 import {makeAutomationDetailsPathname} from 'sentry/views/automations/pathnames';
+import {useIssueStreamDetectorsForProject} from 'sentry/views/detectors/utils/useIssueStreamDetectorsForProject';
 
 type DetectorListConnectedAutomationsProps = {
   automationIds: string[];
+  projectId: string;
 };
 
 function ConnectedAutomationsHoverBody({automationIds}: {automationIds: string[]}) {
@@ -27,6 +30,9 @@ function ConnectedAutomationsHoverBody({automationIds}: {automationIds: string[]
     ids: automationIds.slice(0, 5),
   });
   const hasMore = automationIds.length > 5;
+  const hasMoreText = hasMore ? (
+    <MoreText>{tn('%s more', '%s more', automationIds.length - 5)}</MoreText>
+  ) : null;
 
   if (isError) {
     return <LoadingError />;
@@ -41,6 +47,7 @@ function ConnectedAutomationsHoverBody({automationIds}: {automationIds: string[]
             <Placeholder height="18px" width="40%" />
           </Stack>
         ))}
+        {hasMoreText}
       </div>
     );
   }
@@ -65,17 +72,32 @@ function ConnectedAutomationsHoverBody({automationIds}: {automationIds: string[]
           </HovercardRow>
         );
       })}
-      {hasMore && (
-        <MoreText>{tn('%s more', '%s more', automationIds.length - 5)}</MoreText>
-      )}
+      {hasMoreText}
     </div>
   );
 }
 
 export function DetectorListConnectedAutomations({
   automationIds,
+  projectId,
 }: DetectorListConnectedAutomationsProps) {
-  if (!automationIds.length) {
+  const {data: issueStreamDetectors, isPending} =
+    useIssueStreamDetectorsForProject(projectId);
+
+  // Combine the automation IDs from the project's issue stream detector with the directly-connected ones
+  const combinedAutomationIds = useMemo(() => {
+    if (isPending) {
+      return automationIds;
+    }
+    const issueStreamAutomationIds = issueStreamDetectors?.[0]?.workflowIds ?? [];
+    return [...new Set([...automationIds, ...issueStreamAutomationIds])];
+  }, [automationIds, issueStreamDetectors, isPending]);
+
+  if (isPending) {
+    return <Placeholder height="20px" />;
+  }
+
+  if (!combinedAutomationIds.length) {
     return <EmptyCell />;
   }
 
@@ -84,13 +106,13 @@ export function DetectorListConnectedAutomations({
       <ClassNames>
         {({css}) => (
           <Hovercard
-            body={<ConnectedAutomationsHoverBody automationIds={automationIds} />}
+            body={<ConnectedAutomationsHoverBody automationIds={combinedAutomationIds} />}
             bodyClassName={css`
               padding: 0;
             `}
             showUnderline
           >
-            {tn('%s alert', '%s alerts', automationIds.length)}
+            {tn('%s alert', '%s alerts', combinedAutomationIds.length)}
           </Hovercard>
         )}
       </ClassNames>
diff --git a/static/app/views/detectors/components/detectorListTable/detectorListRow.tsx b/static/app/views/detectors/components/detectorListTable/detectorListRow.tsx
index 72c082bbccb326..43056f88ff8a63 100644
--- a/static/app/views/detectors/components/detectorListTable/detectorListRow.tsx
+++ b/static/app/views/detectors/components/detectorListTable/detectorListRow.tsx
@@ -52,7 +52,10 @@ export function DetectorListRow({detector, selected, onSelect}: DetectorListRowP
         <DetectorAssigneeCell assignee={detector.owner} />
       </SimpleTable.RowCell>
       <SimpleTable.RowCell data-column-name="connected-automations">
-        <DetectorListConnectedAutomations automationIds={detector.workflowIds} />
+        <DetectorListConnectedAutomations
+          automationIds={detector.workflowIds}
+          projectId={detector.projectId}
+        />
       </SimpleTable.RowCell>
       {additionalColumns.map(col => (
         <Fragment key={col.id}>{col.renderCell(detector)}</Fragment>
diff --git a/static/app/views/detectors/utils/useIssueStreamDetectorsForProject.tsx b/static/app/views/detectors/utils/useIssueStreamDetectorsForProject.tsx
index a2287f4c0b1537..fc9656bbbc03b3 100644
--- a/static/app/views/detectors/utils/useIssueStreamDetectorsForProject.tsx
+++ b/static/app/views/detectors/utils/useIssueStreamDetectorsForProject.tsx
@@ -5,9 +5,14 @@ import {useDetectorsQuery} from 'sentry/views/detectors/hooks';
  * Issue stream detectors are used to connect automations to "all issues in a project".
  */
 export function useIssueStreamDetectorsForProject(projectId: string | undefined) {
-  return useDetectorsQuery({
-    query: 'type:issue_stream',
-    projects: [Number(projectId)],
-    includeIssueStreamDetectors: true,
-  });
+  return useDetectorsQuery(
+    {
+      query: 'type:issue_stream',
+      projects: [Number(projectId)],
+      includeIssueStreamDetectors: true,
+    },
+    {
+      staleTime: Infinity,
+    }
+  );
 }