diff --git a/src/renderer/components/extensions/skills/SkillsPanel.tsx b/src/renderer/components/extensions/skills/SkillsPanel.tsx
index ecdeed73..e6bf795a 100644
--- a/src/renderer/components/extensions/skills/SkillsPanel.tsx
+++ b/src/renderer/components/extensions/skills/SkillsPanel.tsx
@@ -6,6 +6,11 @@ import { Button } from '@renderer/components/ui/button';
 import { Popover, PopoverContent, PopoverTrigger } from '@renderer/components/ui/popover';
 import { Tooltip, TooltipContent, TooltipTrigger } from '@renderer/components/ui/tooltip';
 import { useStore } from '@renderer/store';
+import { getVisibleMultimodelProviders } from '@renderer/utils/multimodelProviderVisibility';
+import {
+  getCliProviderExtensionCapability,
+  isCliExtensionCapabilityAvailable,
+} from '@shared/utils/providerExtensionCapabilities';
 import {
   formatSkillRootKind,
   getSkillAudience,
@@ -90,6 +95,19 @@ function getSkillStatus(skill: SkillCatalogItem): string {
   return 'Ready to use';
 }
 
+function formatRuntimeAudienceLabel(providerNames: readonly string[]): string {
+  if (providerNames.length === 0) {
+    return 'the configured runtime';
+  }
+  if (providerNames.length === 1) {
+    return providerNames[0]!;
+  }
+  if (providerNames.length === 2) {
+    return `${providerNames[0]} and ${providerNames[1]}`;
+  }
+  return `${providerNames.slice(0, -1).join(', ')}, and ${providerNames.at(-1)}`;
+}
+
 export const SkillsPanel = ({
   projectPath,
   projectLabel,
@@ -131,6 +149,19 @@ export const SkillsPanel = ({
     () => isCodexSkillOverlayAvailable(cliStatus),
     [cliStatus]
   );
+  const skillsAudienceLabel = useMemo(() => {
+    if (cliStatus?.flavor !== 'agent_teams_orchestrator') {
+      return null;
+    }
+
+    const providerNames = getVisibleMultimodelProviders(cliStatus.providers ?? [])
+      .filter((provider) =>
+        isCliExtensionCapabilityAvailable(getCliProviderExtensionCapability(provider, 'skills'))
+      )
+      .map((provider) => provider.displayName);
+
+    return formatRuntimeAudienceLabel(providerNames);
+  }, [cliStatus]);
   const codexOnlySkillsCount = useMemo(
     () => mergedSkills.filter((skill) => getSkillAudience(skill.rootKind) === 'codex').length,
     [mergedSkills]
@@ -252,8 +283,9 @@ export const SkillsPanel = ({
     <div className="flex flex-col gap-4">
       {cliStatus?.flavor === 'agent_teams_orchestrator' && (
         <div className="rounded-md border border-blue-500/30 bg-blue-500/5 px-4 py-3 text-sm text-blue-300">
-          Shared skills in `.claude`, `.cursor`, and `.agents` are available to both Anthropic and
-          Codex. Skills stored in `.codex` are only offered to Codex sessions.
+          Shared skills in `.claude`, `.cursor`, and `.agents` are available to{' '}
+          {skillsAudienceLabel ?? 'the configured runtime'}. Skills stored in `.codex` stay
+          Codex-only when Codex support is available.
         </div>
       )}
       <div className="bg-surface-raised/20 rounded-xl border border-border p-4">
diff --git a/test/renderer/components/extensions/skills/SkillsPanel.test.ts b/test/renderer/components/extensions/skills/SkillsPanel.test.ts
index d8864a79..557794cb 100644
--- a/test/renderer/components/extensions/skills/SkillsPanel.test.ts
+++ b/test/renderer/components/extensions/skills/SkillsPanel.test.ts
@@ -168,6 +168,52 @@ function makeUserSkill(): SkillCatalogItem {
   };
 }
 
+function makeMultimodelStatus(
+  overrides?: Partial<CliInstallationStatus>
+): CliInstallationStatus {
+  return {
+    flavor: 'agent_teams_orchestrator',
+    displayName: 'Multimodel runtime',
+    supportsSelfUpdate: false,
+    showVersionDetails: true,
+    showBinaryPath: true,
+    installed: true,
+    installedVersion: '1.0.0',
+    binaryPath: '/usr/local/bin/agent-teams',
+    latestVersion: '1.0.0',
+    updateAvailable: false,
+    authLoggedIn: false,
+    authStatusChecking: false,
+    authMethod: null,
+    providers: [
+      {
+        providerId: 'anthropic',
+        displayName: 'Anthropic',
+        supported: true,
+        authenticated: true,
+        authMethod: 'oauth',
+        verificationState: 'verified',
+        statusMessage: 'Connected',
+        models: [],
+        canLoginFromUi: true,
+        capabilities: {
+          teamLaunch: true,
+          oneShot: true,
+          extensions: {
+            plugins: { status: 'supported', ownership: 'provider', reason: null },
+            mcp: { status: 'supported', ownership: 'shared', reason: null },
+            skills: { status: 'supported', ownership: 'shared', reason: null },
+            apiKeys: { status: 'supported', ownership: 'shared', reason: null },
+          },
+        },
+        connection: null,
+        backend: null,
+      },
+    ],
+    ...overrides,
+  };
+}
+
 describe('SkillsPanel', () => {
   beforeEach(() => {
     vi.stubGlobal('IS_REACT_ACT_ENVIRONMENT', true);
@@ -293,4 +339,38 @@ describe('SkillsPanel', () => {
       await Promise.resolve();
     });
   });
+
+  it('uses a runtime-aware shared skills banner when codex is unavailable', async () => {
+    storeState.cliStatus = makeMultimodelStatus();
+    const host = document.createElement('div');
+    document.body.appendChild(host);
+    const root = createRoot(host);
+
+    await act(async () => {
+      root.render(
+        React.createElement(SkillsPanel, {
+          projectPath: '/tmp/project-a',
+          projectLabel: 'Project A',
+          skillsSearchQuery: '',
+          setSkillsSearchQuery: vi.fn(),
+          skillsSort: 'name-asc',
+          setSkillsSort: vi.fn(),
+          selectedSkillId: null,
+          setSelectedSkillId: vi.fn(),
+        })
+      );
+      await Promise.resolve();
+      await Promise.resolve();
+    });
+
+    expect(host.textContent).toContain(
+      'Shared skills in `.claude`, `.cursor`, and `.agents` are available to Anthropic.'
+    );
+    expect(host.textContent).not.toContain('available to both Anthropic and Codex');
+
+    await act(async () => {
+      root.unmount();
+      await Promise.resolve();
+    });
+  });
 });