diff --git a/plugins/development/plugin-theme-data/src/client/config.ts b/plugins/development/plugin-theme-data/src/client/config.ts
index 967fbf7116..30a7f1f75f 100644
--- a/plugins/development/plugin-theme-data/src/client/config.ts
+++ b/plugins/development/plugin-theme-data/src/client/config.ts
@@ -1,5 +1,5 @@
 import { setupDevtoolsPlugin } from '@vue/devtools-api'
-import { computed } from 'vue'
+import { computed, watch } from 'vue'
 import type { ClientData } from 'vuepress/client'
 import { clientDataSymbol, defineClientConfig } from 'vuepress/client'
 import {
@@ -8,6 +8,14 @@ import {
   useThemeData,
 } from './composables/index.js'
 
+const PLUGIN_ID = 'org.vuejs.vuepress.plugin-theme-data'
+const PLUGIN_LABEL = 'VuePress Theme Data'
+const PLUGIN_COMPONENT_STATE_TYPE = PLUGIN_LABEL
+const INSPECTOR_ID = 'org.vuejs.vuepress'
+const INSPECTOR_LABEL = 'VuePress'
+const INSPECTOR_CLIENT_DATA_ID = 'client-data'
+const INSPECTOR_CLIENT_DATA_LABEL = 'Client Data'
+
 export default defineClientConfig({
   enhance({ app }) {
     // provide theme data & theme locale data
@@ -38,14 +46,13 @@ export default defineClientConfig({
       setupDevtoolsPlugin(
         {
           // fix recursive reference
-          // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-explicit-any
-          app: app as any,
-          id: 'org.vuejs.vuepress.plugin-theme-data',
-          label: 'VuePress Theme Data Plugin',
+          app: app as never,
+          id: PLUGIN_ID,
+          label: PLUGIN_LABEL,
           packageName: '@vuepress/plugin-theme-data',
-          homepage: 'https://v2.vuepress.vuejs.org',
-          logo: 'https://v2.vuepress.vuejs.org/images/hero.png',
-          componentStateTypes: ['VuePress'],
+          homepage: 'https://vuepress.vuejs.org',
+          logo: 'https://vuepress.vuejs.org/images/hero.png',
+          componentStateTypes: [PLUGIN_COMPONENT_STATE_TYPE],
         },
         (api) => {
           api.on.inspectComponent((payload) => {
@@ -64,6 +71,66 @@ export default defineClientConfig({
               },
             )
           })
+
+          // setup custom inspector
+          api.addInspector({
+            id: INSPECTOR_ID,
+            label: INSPECTOR_LABEL,
+            icon: 'article',
+          })
+          api.on.getInspectorTree((payload) => {
+            if (payload.inspectorId !== INSPECTOR_ID) return
+
+            payload.rootNodes
+              .find((item) => item.id === INSPECTOR_CLIENT_DATA_ID)
+              ?.children!.push(
+                {
+                  id: 'themeData',
+                  label: 'themeData',
+                },
+                {
+                  id: 'themeLocaleData',
+                  label: 'themeLocaleData',
+                },
+              )
+          })
+
+          api.on.getInspectorState((payload) => {
+            if (payload.inspectorId !== INSPECTOR_ID) return
+
+            if (payload.nodeId === INSPECTOR_CLIENT_DATA_ID) {
+              payload.state[INSPECTOR_CLIENT_DATA_LABEL].push(
+                {
+                  key: 'themeData',
+                  value: themeData.value,
+                },
+                {
+                  key: 'themeLocaleData',
+                  value: themeLocaleData.value,
+                },
+              )
+            }
+
+            if (['themeData', 'themeLocaleData'].includes(payload.nodeId)) {
+              payload.state = {
+                [INSPECTOR_CLIENT_DATA_LABEL]: [
+                  {
+                    key: payload.nodeId,
+                    value:
+                      payload.nodeId === 'themeData'
+                        ? themeData.value
+                        : themeLocaleData.value,
+                  },
+                ],
+              }
+            }
+          })
+
+          // refresh the component state and inspector state
+          watch([themeData, themeLocaleData], () => {
+            api.notifyComponentUpdate()
+            api.sendInspectorState(INSPECTOR_ID)
+          })
         },
       )
     }