[onechat] Add tools page, show registered tools (#224330)

## Summary

Implements the tools page in the Onechat UI and retrieves the registered
tools from the Kibana API to display a list of all tools and
descriptions — descriptions are truncated at the first `\n` character.

![Screenshot 2025-06-24 at 2 10
37 PM](https://github.com/user-attachments/assets/f4ea70bd-0675-4d39-b120-123d2185752b)


### Checklist

Check the PR satisfies following conditions. 

Reviewers should verify this PR satisfies this list as well.

- [x] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md)
- [ ]
~[Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html)
was added for features that require explanation or tutorials~
- [ ] ~[Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios~
- [ ] ~If a plugin configuration key changed, check if it needs to be
allowlisted in the cloud and added to the [docker
list](https://github.com/elastic/kibana/blob/main/src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker)~
- [ ] ~This was checked for breaking HTTP API changes, and any breaking
changes have been approved by the breaking-change committee. The
`release_note:breaking` label should be applied in these situations.~
- [ ] ~[Flaky Test
Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was
used on any tests changed~
- [ ] ~The PR description includes the appropriate Release Notes
section, and the correct `release_note:*` label is applied per the
[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)~

### Identify risks

Does this PR introduce any risks? For example, consider risks like hard
to test bugs, performance regression, potential of data loss.
__No risks are introduced in this PR.__

---------

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>

src/platform/packages/shared/deeplinks/chat/constants.ts

@@ -8,3 +8,4 @@
  */
 
 export const WORKCHAT_APP_ID = 'workchat';
+export const ONECHAT_APP_ID = 'onechat';

src/platform/packages/shared/deeplinks/chat/deep_links.ts

@@ -7,10 +7,16 @@
  * License v3.0 only", or the "Server Side Public License, v 1".
  */
 
-import { WORKCHAT_APP_ID } from './constants';
+import { ONECHAT_APP_ID, WORKCHAT_APP_ID } from './constants';
 
 export type WorkchatApp = typeof WORKCHAT_APP_ID;
+export type OnechatApp = typeof ONECHAT_APP_ID;
 
 export type WorkchatLinkId = 'agents' | 'integrations';
+export type OnechatLinkId = 'conversations' | 'tools';
 
-export type DeepLinkId = WorkchatApp | `${WorkchatApp}:${WorkchatLinkId}`;
+export type DeepLinkId =
+  | WorkchatApp
+  | `${WorkchatApp}:${WorkchatLinkId}`
+  | OnechatApp
+  | `${OnechatApp}:${OnechatLinkId}`;

src/platform/plugins/private/kibana_usage_collection/server/collectors/management/schema.ts

@@ -495,6 +495,14 @@ export const stackManagementSchema: MakeSchemaFrom<UsageStats> = {
     type: 'boolean',
     _meta: { description: 'Non-default value of setting.' },
   },
+  'onechat:ui:enabled': {
+    type: 'boolean',
+    _meta: { description: 'Non-default value of setting.' },
+  },
+  'onechat:tools:enabled': {
+    type: 'boolean',
+    _meta: { description: 'Non-default value of setting.' },
+  },
   'banners:placement': {
     type: 'keyword',
     _meta: { description: 'Non-default value of setting.' },

src/platform/plugins/private/kibana_usage_collection/server/collectors/management/types.ts

@@ -50,6 +50,8 @@ export interface UsageStats {
   'observability:aiAssistantSimulatedFunctionCalling': boolean;
   'observability:aiAssistantSearchConnectorIndexPattern': string;
   'onechat:mcpServer:enabled': boolean;
+  'onechat:ui:enabled': boolean;
+  'onechat:tools:enabled': boolean;
   'visualization:heatmap:maxBuckets': number;
   'visualization:regionmap:showWarnings': boolean;
   'visualization:tileMap:maxPrecision': number;

src/platform/plugins/shared/telemetry/schema/oss_platform.json

@@ -11039,6 +11039,18 @@
             "description": "Non-default value of setting."
           }
         },
+        "onechat:ui:enabled": {
+          "type": "boolean",
+          "_meta": {
+            "description": "Non-default value of setting."
+          }
+        },
+        "onechat:tools:enabled": {
+          "type": "boolean",
+          "_meta": {
+            "description": "Non-default value of setting."
+          }
+        },
         "banners:placement": {
           "type": "keyword",
           "_meta": {

x-pack/.i18nrc.json

@@ -109,6 +109,7 @@
     "xpack.observabilityLogsOverview": [
       "platform/packages/shared/logs-overview/src/components"
     ],
+    "xpack.onechat": ["platform/plugins/shared/onechat"],
     "xpack.osquery": [
       "platform/plugins/shared/osquery"
     ],

x-pack/platform/plugins/shared/onechat/common/constants.ts

@@ -9,3 +9,13 @@
  * UI Setting ID for enabling / disabling the MCP server
  */
 export const ONECHAT_MCP_SERVER_UI_SETTING_ID = 'onechat:mcpServer:enabled';
+
+/**
+ * UI Setting ID for enabling / disabling the onechat plugin UI
+ */
+export const ONECHAT_UI_SETTING_ID = 'onechat:ui:enabled';
+
+/**
+ * UI Setting ID for enabling / disabling the tools UI
+ */
+export const ONECHAT_TOOLS_UI_SETTING_ID = 'onechat:tools:enabled';

x-pack/platform/plugins/shared/onechat/common/features.ts

@@ -7,7 +7,9 @@
 
 export const ONECHAT_FEATURE_ID = 'onechat';
 export const ONECHAT_FEATURE_NAME = 'onechat';
-export const ONECHAT_APP_ID = 'onechat_app';
+export const ONECHAT_APP_ID = 'onechat';
+export const ONECHAT_PATH = '/app/chat';
+export const ONECHAT_TITLE = 'Chat';
 
 export const uiPrivileges = {
   show: 'show',

x-pack/platform/plugins/shared/onechat/kibana.jsonc

@@ -10,7 +10,7 @@
     "browser": true,
     "configPath": ["xpack", "onechat"],
     "requiredPlugins": ["actions", "inference", "features"],
-    "requiredBundles": [],
+    "requiredBundles": ["kibanaReact"],
     "optionalPlugins": [],
     "extraPublicDirs": []
   }

x-pack/platform/plugins/shared/onechat/public/application/components/tools/tools.tsx

@@ -0,0 +1,29 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { i18n } from '@kbn/i18n';
+import { KibanaPageTemplate } from '@kbn/shared-ux-page-kibana-template';
+import React from 'react';
+import { OnechatToolsTable } from './tools_table';
+export const OnechatTools = () => {
+  return (
+    <KibanaPageTemplate>
+      <KibanaPageTemplate.Header
+        pageTitle={i18n.translate('xpack.onechat.tools.title', {
+          defaultMessage: 'Tools',
+        })}
+        description={i18n.translate('xpack.onechat.tools.toolsDescription', {
+          defaultMessage:
+            'Functionality used to enhance the capabilities of your AI agents in your chat experience by allowing them to perform specific tasks or access additional information.',
+        })}
+      />
+      <KibanaPageTemplate.Section>
+        <OnechatToolsTable />
+      </KibanaPageTemplate.Section>
+    </KibanaPageTemplate>
+  );
+};

x-pack/platform/plugins/shared/onechat/public/application/components/tools/tools_table.tsx

@@ -0,0 +1,83 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { EuiBadge, EuiBadgeGroup, EuiBasicTable, EuiBasicTableColumn, EuiText } from '@elastic/eui';
+import { i18n } from '@kbn/i18n';
+import { ToolDescriptor } from '@kbn/onechat-common';
+import React from 'react';
+import { useOnechatTools } from '../../hooks/use_tools';
+
+const parseToolDescription = (description: string): string => {
+  // Truncate at newline
+  const [truncatedDescription] = description.split('\n');
+  return truncatedDescription;
+};
+
+const columns: Array<EuiBasicTableColumn<ToolDescriptor>> = [
+  {
+    field: 'id',
+    name: i18n.translate('xpack.onechat.tools.toolIdLabel', { defaultMessage: 'Tool' }),
+    valign: 'top',
+    render: (id: string) => (
+      <EuiText size="s">
+        <strong>{id}</strong>
+      </EuiText>
+    ),
+  },
+  {
+    field: 'description',
+    name: i18n.translate('xpack.onechat.tools.toolDescriptionLabel', {
+      defaultMessage: 'Description',
+    }),
+    width: '60%',
+    valign: 'top',
+    render: (description: string) => {
+      return <EuiText size="s">{parseToolDescription(description)}</EuiText>;
+    },
+  },
+  {
+    field: 'meta.tags',
+    name: i18n.translate('xpack.onechat.tools.tagsLabel', {
+      defaultMessage: 'Tags',
+    }),
+    width: '15%',
+    valign: 'top',
+    render: (tags: string[]) => {
+      return (
+        <EuiBadgeGroup>
+          {tags.map((tag) => (
+            <EuiBadge key={tag} color="primary">
+              {tag}
+            </EuiBadge>
+          ))}
+        </EuiBadgeGroup>
+      );
+    },
+  },
+];
+
+export const OnechatToolsTable: React.FC = () => {
+  const { tools, isLoading, error } = useOnechatTools();
+  const errorMessage = error
+    ? i18n.translate('xpack.onechat.tools.listToolsErrorMessage', {
+        defaultMessage: 'Failed to fetch tools',
+      })
+    : undefined;
+
+  return (
+    <EuiBasicTable
+      loading={isLoading}
+      columns={columns}
+      items={tools}
+      itemId="id"
+      noItemsMessage={i18n.translate('xpack.onechat.tools.noToolsMessage', {
+        defaultMessage: 'No tools found',
+      })}
+      error={errorMessage}
+    />
+  );
+};

x-pack/platform/plugins/shared/onechat/public/application/context/onechat_services_context.tsx

@@ -0,0 +1,11 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { createContext } from 'react';
+import { OnechatInternalService } from '../../services';
+
+export const OnechatServicesContext = createContext<OnechatInternalService | undefined>(undefined);

x-pack/platform/plugins/shared/onechat/public/application/hooks/use_breadcrumbs.ts

@@ -0,0 +1,61 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { useEffect, useMemo, useCallback } from 'react';
+import type { ChromeBreadcrumb } from '@kbn/core/public';
+import { i18n } from '@kbn/i18n';
+import { ONECHAT_APP_ID } from '../../../common/features';
+import { useKibana } from './use_kibana';
+
+interface OnechatBreadcrumb {
+  text: string;
+  path?: string;
+}
+
+export const useBreadcrumb = (breadcrumbs: OnechatBreadcrumb[]) => {
+  const {
+    services: { chrome, application },
+  } = useKibana();
+
+  const getUrl = useCallback(
+    (path: string) => {
+      return application.getUrlForApp(ONECHAT_APP_ID, { path });
+    },
+    [application]
+  );
+
+  const appUrl = useMemo(() => {
+    return getUrl('');
+  }, [getUrl]);
+
+  const baseCrumbs: ChromeBreadcrumb[] = useMemo(() => {
+    return [
+      {
+        text: i18n.translate('xpack.onechat.breadcrumb.onechat', {
+          defaultMessage: 'OneChat',
+        }),
+        href: appUrl,
+      },
+    ];
+  }, [appUrl]);
+
+  useEffect(() => {
+    const additionalCrumbs = breadcrumbs.map<ChromeBreadcrumb>((crumb) => {
+      return {
+        text: crumb.text,
+        href: crumb.path ? getUrl(crumb.path) : undefined,
+      };
+    });
+
+    chrome.setBreadcrumbs([...baseCrumbs, ...additionalCrumbs], {
+      project: { value: additionalCrumbs.length ? additionalCrumbs : baseCrumbs, absolute: true },
+    });
+    return () => {
+      chrome.setBreadcrumbs([]);
+    };
+  }, [chrome, baseCrumbs, breadcrumbs, getUrl]);
+};

x-pack/platform/plugins/shared/onechat/public/application/hooks/use_kibana.ts

@@ -0,0 +1,18 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { useKibana } from '@kbn/kibana-react-plugin/public';
+import type { CoreStart } from '@kbn/core/public';
+import type { OnechatStartDependencies } from '../../types';
+
+export type StartServices = CoreStart & {
+  plugins: OnechatStartDependencies;
+};
+
+const useTypedKibana = () => useKibana<StartServices>();
+
+export { useTypedKibana as useKibana };

x-pack/platform/plugins/shared/onechat/public/application/hooks/use_onechat_service.ts

@@ -0,0 +1,19 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { useContext } from 'react';
+import { OnechatServicesContext } from '../context/onechat_services_context';
+
+export const useOnechatServices = () => {
+  const services = useContext(OnechatServicesContext);
+  if (services === undefined) {
+    throw new Error(
+      `OnechatServicesContext not set. Did you wrap your component in <OnechatServicesContext.Provider> ?`
+    );
+  }
+  return services;
+};

x-pack/platform/plugins/shared/onechat/public/application/hooks/use_tools.ts

@@ -0,0 +1,20 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { useQuery } from '@tanstack/react-query';
+import { useOnechatServices } from './use_onechat_service';
+
+export const useOnechatTools = () => {
+  const { toolsService } = useOnechatServices();
+
+  const { data, isLoading, error } = useQuery({
+    queryKey: ['tools', 'list'],
+    queryFn: () => toolsService.list(),
+  });
+
+  return { tools: data?.tools ?? [], isLoading, error };
+};

x-pack/platform/plugins/shared/onechat/public/application/index.ts

@@ -0,0 +1,8 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+export { mountApp } from './mount';

x-pack/platform/plugins/shared/onechat/public/application/mount.tsx

@@ -0,0 +1,59 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { CoreStart, ScopedHistory } from '@kbn/core/public';
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import { KibanaContextProvider } from '@kbn/kibana-react-plugin/public';
+import { I18nProvider } from '@kbn/i18n-react';
+import { Router } from '@kbn/shared-ux-router';
+import { RedirectAppLinks } from '@kbn/shared-ux-link-redirect-app';
+import { OnechatRoutes } from './routes';
+import type { OnechatInternalService } from '../services';
+import { OnechatStartDependencies } from '../types';
+import { OnechatServicesContext } from './context/onechat_services_context';
+
+export const mountApp = async ({
+  core,
+  plugins,
+  element,
+  history,
+  services,
+}: {
+  core: CoreStart;
+  plugins: OnechatStartDependencies;
+  element: HTMLElement;
+  history: ScopedHistory;
+  services: OnechatInternalService;
+}) => {
+  const kibanaServices = { ...core, plugins };
+  const queryClient = new QueryClient();
+
+  ReactDOM.render(
+    core.rendering.addContext(
+      <KibanaContextProvider services={kibanaServices}>
+        <I18nProvider>
+          <QueryClientProvider client={queryClient}>
+            <OnechatServicesContext.Provider value={services}>
+              <RedirectAppLinks coreStart={core}>
+                <Router history={history}>
+                  <OnechatRoutes />
+                </Router>
+              </RedirectAppLinks>
+            </OnechatServicesContext.Provider>
+          </QueryClientProvider>
+        </I18nProvider>
+      </KibanaContextProvider>
+    ),
+    element
+  );
+
+  return () => {
+    ReactDOM.unmountComponentAtNode(element);
+  };
+};

x-pack/platform/plugins/shared/onechat/public/application/pages/chat.tsx

@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import React from 'react';
+
+export const OnechatConversationsPage = () => {
+  return <div>OnechatConversationsPage</div>;
+};

x-pack/platform/plugins/shared/onechat/public/application/pages/tools.tsx

@@ -0,0 +1,19 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { i18n } from '@kbn/i18n';
+import React from 'react';
+import { OnechatTools } from '../components/tools/tools';
+import { useBreadcrumb } from '../hooks/use_breadcrumbs';
+
+export const OnechatToolsPage = () => {
+  useBreadcrumb([
+    { text: i18n.translate('xpack.onechat.chat.title', { defaultMessage: 'Chat' }) },
+    { text: i18n.translate('xpack.onechat.tools.title', { defaultMessage: 'Tools' }) },
+  ]);
+  return <OnechatTools />;
+};

x-pack/platform/plugins/shared/onechat/public/application/routes.tsx

@@ -0,0 +1,29 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { Routes, Route } from '@kbn/shared-ux-router';
+import React from 'react';
+import { useUiSetting } from '@kbn/kibana-react-plugin/public';
+import { OnechatToolsPage } from './pages/tools';
+import { OnechatConversationsPage } from './pages/chat';
+import { ONECHAT_TOOLS_UI_SETTING_ID } from '../../common/constants';
+
+export const OnechatRoutes: React.FC<{}> = () => {
+  const isToolsPageEnabled = useUiSetting<boolean>(ONECHAT_TOOLS_UI_SETTING_ID, false);
+  return (
+    <Routes>
+      <Route path="/conversations">
+        <OnechatConversationsPage />
+      </Route>
+      {isToolsPageEnabled && (
+        <Route path="/tools">
+          <OnechatToolsPage />
+        </Route>
+      )}
+    </Routes>
+  );
+};

x-pack/platform/plugins/shared/onechat/public/plugin.tsx

@@ -5,8 +5,21 @@
  * 2.0.
  */
 
-import type { CoreSetup, CoreStart, Plugin, PluginInitializerContext } from '@kbn/core/public';
+import {
+  type CoreSetup,
+  type CoreStart,
+  type Plugin,
+  type PluginInitializerContext,
+} from '@kbn/core/public';
 import type { Logger } from '@kbn/logging';
+import { registerApp } from './register';
+import {
+  AgentService,
+  ChatService,
+  ConversationsService,
+  OnechatInternalService,
+  ToolsService,
+} from './services';
 import type {
   ConfigSchema,
   OnechatPluginSetup,
@@ -14,13 +27,7 @@ import type {
   OnechatSetupDependencies,
   OnechatStartDependencies,
 } from './types';
-import {
-  AgentService,
-  ChatService,
-  ConversationsService,
-  ToolsService,
-  OnechatInternalService,
-} from './services';
+import { ONECHAT_UI_SETTING_ID } from '../common/constants';
 
 export class OnechatPlugin
   implements
@@ -32,16 +39,25 @@ export class OnechatPlugin
     >
 {
   logger: Logger;
-  // @ts-expect-error unused for now
   private internalServices?: OnechatInternalService;
 
   constructor(context: PluginInitializerContext<ConfigSchema>) {
     this.logger = context.logger.get();
   }
-  setup(
-    coreSetup: CoreSetup<OnechatStartDependencies, OnechatPluginStart>,
-    pluginsSetup: OnechatSetupDependencies
-  ): OnechatPluginSetup {
+  setup(core: CoreSetup<OnechatStartDependencies, OnechatPluginStart>): OnechatPluginSetup {
+    const isOnechatUiEnabled = core.uiSettings.get<boolean>(ONECHAT_UI_SETTING_ID, false);
+
+    if (isOnechatUiEnabled) {
+      registerApp({
+        core,
+        getServices: () => {
+          if (!this.internalServices) {
+            throw new Error('getServices called before plugin start');
+          }
+          return this.internalServices;
+        },
+      });
+    }
     return {};
   }
 

x-pack/platform/plugins/shared/onechat/public/register.ts

@@ -0,0 +1,60 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { CoreSetup } from '@kbn/core-lifecycle-browser';
+import { DEFAULT_APP_CATEGORIES } from '@kbn/core-application-common';
+import { AppMountParameters } from '@kbn/core-application-browser';
+import { i18n } from '@kbn/i18n';
+import { OnechatInternalService } from './services';
+import { OnechatPluginStart } from './types';
+import { ONECHAT_APP_ID, ONECHAT_PATH, ONECHAT_TITLE } from '../common/features';
+import { ONECHAT_TOOLS_UI_SETTING_ID } from '../common/constants';
+
+export const registerApp = ({
+  core,
+  getServices,
+}: {
+  core: CoreSetup<OnechatPluginStart>;
+  getServices: () => OnechatInternalService;
+}) => {
+  const isToolsPageEnabled = core.uiSettings.get<boolean>(ONECHAT_TOOLS_UI_SETTING_ID, false);
+  core.application.register({
+    id: ONECHAT_APP_ID,
+    appRoute: ONECHAT_PATH,
+    category: DEFAULT_APP_CATEGORIES.chat,
+    title: ONECHAT_TITLE,
+    euiIconType: 'logoElasticsearch',
+    visibleIn: ['sideNav', 'globalSearch'],
+    deepLinks: [
+      {
+        id: 'conversations',
+        path: '/conversations',
+        title: i18n.translate('xpack.onechat.chat.conversationsTitle', {
+          defaultMessage: 'Conversations',
+        }),
+      },
+      ...(isToolsPageEnabled
+        ? [
+            {
+              id: 'tools',
+              path: '/tools',
+              title: i18n.translate('xpack.onechat.tools.title', { defaultMessage: 'Tools' }),
+            },
+          ]
+        : []),
+    ],
+    async mount({ element, history }: AppMountParameters) {
+      const { mountApp } = await import('./application');
+      const [coreStart, startPluginDeps] = await core.getStartServices();
+
+      coreStart.chrome.docTitle.change(ONECHAT_TITLE);
+      const services = getServices();
+
+      return mountApp({ core: coreStart, services, element, history, plugins: startPluginDeps });
+    },
+  });
+};

x-pack/platform/plugins/shared/onechat/server/plugin.ts

@@ -5,22 +5,20 @@
  * 2.0.
  */
 
-import type { Logger } from '@kbn/logging';
 import type { CoreSetup, CoreStart, Plugin, PluginInitializerContext } from '@kbn/core/server';
-import { i18n } from '@kbn/i18n';
-import { schema } from '@kbn/config-schema';
+import type { Logger } from '@kbn/logging';
 import type { OnechatConfig } from './config';
+import { registerFeatures } from './features';
+import { registerRoutes } from './routes';
+import { ServiceManager } from './services';
+import { registerTools } from './tools';
 import type {
   OnechatPluginSetup,
   OnechatPluginStart,
   OnechatSetupDependencies,
   OnechatStartDependencies,
 } from './types';
-import { registerRoutes } from './routes';
-import { ServiceManager } from './services';
-import { registerFeatures } from './features';
-import { registerTools } from './tools';
-import { ONECHAT_MCP_SERVER_UI_SETTING_ID } from '../common/constants';
+import { registerUISettings } from './ui_settings';
 
 export class OnechatPlugin
   implements
@@ -53,20 +51,7 @@ export class OnechatPlugin
 
     registerTools({ tools: serviceSetups.tools });
 
-    coreSetup.uiSettings.register({
-      [ONECHAT_MCP_SERVER_UI_SETTING_ID]: {
-        description: i18n.translate('onechat.uiSettings.mcpServer.description', {
-          defaultMessage: 'Enables MCP server with access to tools.',
-        }),
-        name: i18n.translate('onechat.uiSettings.mcpServer.name', {
-          defaultMessage: 'MCP Server',
-        }),
-        schema: schema.boolean(),
-        value: false,
-        readonly: true,
-        readonlyMode: 'ui',
-      },
-    });
+    registerUISettings({ uiSettings: coreSetup.uiSettings });
 
     const router = coreSetup.http.createRouter();
     registerRoutes({

x-pack/platform/plugins/shared/onechat/server/ui_settings.ts

@@ -0,0 +1,56 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { schema } from '@kbn/config-schema';
+import { UiSettingsServiceSetup } from '@kbn/core-ui-settings-server';
+import { i18n } from '@kbn/i18n';
+import {
+  ONECHAT_UI_SETTING_ID,
+  ONECHAT_MCP_SERVER_UI_SETTING_ID,
+  ONECHAT_TOOLS_UI_SETTING_ID,
+} from '../common/constants';
+
+export const registerUISettings = ({ uiSettings }: { uiSettings: UiSettingsServiceSetup }) => {
+  uiSettings.register({
+    [ONECHAT_MCP_SERVER_UI_SETTING_ID]: {
+      description: i18n.translate('xpack.onechat.uiSettings.mcpServer.description', {
+        defaultMessage: 'Enables MCP server with access to tools.',
+      }),
+      name: i18n.translate('xpack.onechat.uiSettings.mcpServer.name', {
+        defaultMessage: 'MCP Server',
+      }),
+      schema: schema.boolean(),
+      value: false,
+      readonly: true,
+      readonlyMode: 'ui',
+    },
+    [ONECHAT_UI_SETTING_ID]: {
+      description: i18n.translate('xpack.onechat.uiSettings.chatUI.description', {
+        defaultMessage: 'Enables the OneChat chat UI.',
+      }),
+      name: i18n.translate('xpack.onechat.uiSettings.chatUI.name', {
+        defaultMessage: 'OneChat Chat UI',
+      }),
+      schema: schema.boolean(),
+      value: false,
+      readonly: true,
+      readonlyMode: 'ui',
+    },
+    [ONECHAT_TOOLS_UI_SETTING_ID]: {
+      description: i18n.translate('xpack.onechat.uiSettings.toolsPage.description', {
+        defaultMessage: 'Enables the OneChat tools page.',
+      }),
+      name: i18n.translate('xpack.onechat.uiSettings.toolsPage.name', {
+        defaultMessage: 'OneChat Tools Page',
+      }),
+      schema: schema.boolean(),
+      value: false,
+      readonly: true,
+      readonlyMode: 'ui',
+    },
+  });
+};

x-pack/platform/plugins/shared/onechat/tsconfig.json

@@ -37,6 +37,15 @@
     "@kbn/features-plugin",
     "@kbn/core-logging-server-mocks",
     "@kbn/i18n",
-    "@kbn/onechat-genai-utils"
+    "@kbn/onechat-genai-utils",
+    "@kbn/shared-ux-page-kibana-template",
+    "@kbn/kibana-react-plugin",
+    "@kbn/i18n-react",
+    "@kbn/shared-ux-router",
+    "@kbn/shared-ux-link-redirect-app",
+    "@kbn/core-lifecycle-browser",
+    "@kbn/core-application-common",
+    "@kbn/core-application-browser",
+    "@kbn/core-ui-settings-server"
   ]
 }

x-pack/solutions/search/plugins/serverless_search/kibana.jsonc

@@ -30,9 +30,10 @@
       "serverless",
       "searchHomepage",
       "share",
-      "visualizations"
+      "visualizations",
     ],
     "optionalPlugins": [
+      "onechat",
       "indexManagement",
       "contentConnectors",
       "searchInferenceEndpoints",

x-pack/solutions/search/plugins/serverless_search/public/navigation_tree.ts

@@ -44,6 +44,20 @@ export const navigationTree = ({ isAppRegistered }: ApplicationStart): Navigatio
               {
                 link: 'discover',
               },
+              {
+                title: i18n.translate('xpack.serverlessSearch.nav.chat', {
+                  defaultMessage: 'Chat',
+                }),
+                renderAs: 'accordion',
+                children: [
+                  {
+                    link: 'onechat:conversations',
+                  },
+                  {
+                    link: 'onechat:tools',
+                  },
+                ],
+              },
               {
                 link: 'dashboards',
                 getIsActive: ({ pathNameSerialized, prepend }) => {