diff --git a/src/components/dialog/content/manager/infoPanel/InfoPanel.vue b/src/components/dialog/content/manager/infoPanel/InfoPanel.vue
index 19bda6b0a..a0a4d2031 100644
--- a/src/components/dialog/content/manager/infoPanel/InfoPanel.vue
+++ b/src/components/dialog/content/manager/infoPanel/InfoPanel.vue
@@ -4,7 +4,10 @@
       <div class="top-0 z-10 px-6 pt-6 w-full">
         <InfoPanelHeader :node-packs="[nodePack]" />
       </div>
-      <div class="p-6 pt-2 overflow-y-auto flex-1 text-sm hidden-scrollbar">
+      <div
+        ref="scrollContainer"
+        class="p-6 pt-2 overflow-y-auto flex-1 text-sm hidden-scrollbar"
+      >
         <div class="mb-6">
           <MetadataRow
             v-if="isPackInstalled(nodePack.id)"
@@ -46,7 +49,7 @@
 </template>
 
 <script setup lang="ts">
-import { whenever } from '@vueuse/core'
+import { useScroll, whenever } from '@vueuse/core'
 import { computed, provide, ref } from 'vue'
 import { useI18n } from 'vue-i18n'
 
@@ -70,6 +73,8 @@ const { nodePack } = defineProps<{
   nodePack: components['schemas']['Node']
 }>()
 
+const scrollContainer = ref<HTMLElement | null>(null)
+
 const managerStore = useComfyManagerStore()
 const isInstalled = computed(() => managerStore.isPackInstalled(nodePack.id))
 const isInstalling = ref(false)
@@ -103,6 +108,17 @@ const infoItems = computed<InfoItem[]>(() => [
       : undefined
   }
 ])
+
+const { y } = useScroll(scrollContainer, {
+  eventListenerOptions: {
+    passive: true
+  }
+})
+const onNodePackChange = () => {
+  y.value = 0
+}
+
+whenever(() => nodePack, onNodePackChange, { immediate: true, deep: true })
 </script>
 <style scoped>
 .hidden-scrollbar {
diff --git a/src/components/dialog/content/manager/infoPanel/InfoPanelMultiItem.vue b/src/components/dialog/content/manager/infoPanel/InfoPanelMultiItem.vue
index d3181c2e3..e5e4bc343 100644
--- a/src/components/dialog/content/manager/infoPanel/InfoPanelMultiItem.vue
+++ b/src/components/dialog/content/manager/infoPanel/InfoPanelMultiItem.vue
@@ -31,28 +31,29 @@
 
 <script setup lang="ts">
 import { useAsyncState } from '@vueuse/core'
-import { computed } from 'vue'
+import { computed, onUnmounted } from 'vue'
 
 import PackStatusMessage from '@/components/dialog/content/manager/PackStatusMessage.vue'
 import PackInstallButton from '@/components/dialog/content/manager/button/PackInstallButton.vue'
 import InfoPanelHeader from '@/components/dialog/content/manager/infoPanel/InfoPanelHeader.vue'
 import MetadataRow from '@/components/dialog/content/manager/infoPanel/MetadataRow.vue'
 import PackIconStacked from '@/components/dialog/content/manager/packIcon/PackIconStacked.vue'
-import { useComfyRegistryService } from '@/services/comfyRegistryService'
+import { useComfyRegistryStore } from '@/stores/comfyRegistryStore'
 import { components } from '@/types/comfyRegistryTypes'
 
 const { nodePacks } = defineProps<{
   nodePacks: components['schemas']['Node'][]
 }>()
 
-const comfyRegistryService = useComfyRegistryService()
+const { getNodeDefs } = useComfyRegistryStore()
 
 const getPackNodes = async (pack: components['schemas']['Node']) => {
-  if (!comfyRegistryService.packNodesAvailable(pack)) return []
-  return comfyRegistryService.getNodeDefs({
+  if (!pack.latest_version?.version) return []
+  const nodeDefs = await getNodeDefs.call({
     packId: pack.id,
-    versionId: pack.latest_version?.id
+    version: pack.latest_version?.version
   })
+  return nodeDefs?.comfy_nodes ?? []
 }
 
 const { state: allNodeDefs } = useAsyncState(
@@ -69,4 +70,8 @@ const totalNodesCount = computed(() =>
     0
   )
 )
+
+onUnmounted(() => {
+  getNodeDefs.cancel()
+})
 </script>
diff --git a/src/components/dialog/content/manager/infoPanel/InfoTabs.vue b/src/components/dialog/content/manager/infoPanel/InfoTabs.vue
index 8270fb2ac..bc96d9908 100644
--- a/src/components/dialog/content/manager/infoPanel/InfoTabs.vue
+++ b/src/components/dialog/content/manager/infoPanel/InfoTabs.vue
@@ -14,7 +14,7 @@
           <DescriptionTabPanel :node-pack="nodePack" />
         </TabPanel>
         <TabPanel value="nodes">
-          <NodesTabPanel :node-pack="nodePack" />
+          <NodesTabPanel :node-pack="nodePack" :node-names="nodeNames" />
         </TabPanel>
       </TabPanels>
     </Tabs>
@@ -27,15 +27,21 @@ import TabList from 'primevue/tablist'
 import TabPanel from 'primevue/tabpanel'
 import TabPanels from 'primevue/tabpanels'
 import Tabs from 'primevue/tabs'
-import { ref } from 'vue'
+import { computed, ref } from 'vue'
 
 import DescriptionTabPanel from '@/components/dialog/content/manager/infoPanel/tabs/DescriptionTabPanel.vue'
 import NodesTabPanel from '@/components/dialog/content/manager/infoPanel/tabs/NodesTabPanel.vue'
 import { components } from '@/types/comfyRegistryTypes'
 
-defineProps<{
+const { nodePack } = defineProps<{
   nodePack: components['schemas']['Node']
 }>()
 
+const nodeNames = computed(() => {
+  // @ts-expect-error comfy_nodes is an Algolia-specific field
+  const { comfy_nodes } = nodePack
+  return comfy_nodes ?? []
+})
+
 const activeTab = ref('description')
 </script>
diff --git a/src/components/dialog/content/manager/infoPanel/tabs/NodesTabPanel.vue b/src/components/dialog/content/manager/infoPanel/tabs/NodesTabPanel.vue
index 2b7e05507..bb1a7b4c1 100644
--- a/src/components/dialog/content/manager/infoPanel/tabs/NodesTabPanel.vue
+++ b/src/components/dialog/content/manager/infoPanel/tabs/NodesTabPanel.vue
@@ -1,47 +1,92 @@
 <template>
-  <div class="flex flex-col gap-4 mt-4 overflow-auto text-sm">
-    <div v-if="nodeDefs?.length">
-      <!-- TODO: when registry returns node defs, use them here -->
-    </div>
-    <div
-      v-for="i in 3"
-      v-else
-      :key="i"
-      class="border border-surface-border rounded-lg p-4"
-    >
-      <NodePreview
-        :node-def="placeholderNodeDef"
-        class="!text-[.625rem] !min-w-full"
+  <div class="flex flex-col gap-4 mt-4 text-sm">
+    <template v-if="mappedNodeDefs?.length">
+      <div
+        v-for="nodeDef in mappedNodeDefs"
+        :key="createNodeDefKey(nodeDef)"
+        class="border border-surface-border rounded-lg p-4"
+      >
+        <NodePreview :node-def="nodeDef" class="!text-[.625rem] !min-w-full" />
+      </div>
+    </template>
+    <template v-else-if="isLoading">
+      <ProgressSpinner />
+    </template>
+    <template v-else-if="nodeNames.length">
+      <div v-for="node in nodeNames" :key="node" class="text-muted truncate">
+        {{ node }}
+      </div>
+    </template>
+    <template v-else>
+      <NoResultsPlaceholder
+        :title="$t('manager.noNodesFound')"
+        :message="$t('manager.noNodesFoundDescription')"
       />
-    </div>
+    </template>
   </div>
 </template>
 
 <script setup lang="ts">
-import NodePreview from '@/components/node/NodePreview.vue'
-import { ComfyNodeDef } from '@/schemas/nodeDef/nodeDefSchemaV2'
-import { components } from '@/types/comfyRegistryTypes'
+import { whenever } from '@vueuse/core'
+import ProgressSpinner from 'primevue/progressspinner'
+import { computed, ref, shallowRef, useId } from 'vue'
 
-defineProps<{
+import NoResultsPlaceholder from '@/components/common/NoResultsPlaceholder.vue'
+import NodePreview from '@/components/node/NodePreview.vue'
+import { useComfyRegistryStore } from '@/stores/comfyRegistryStore'
+import { components, operations } from '@/types/comfyRegistryTypes'
+import { registryToFrontendV2NodeDef } from '@/utils/mapperUtil'
+
+type ListComfyNodesResponse =
+  operations['ListComfyNodes']['responses'][200]['content']['application/json']['comfy_nodes']
+
+const { nodePack, nodeNames } = defineProps<{
   nodePack: components['schemas']['Node']
-  nodeDefs?: components['schemas']['ComfyNode'][]
+  nodeNames: string[]
 }>()
 
-// TODO: when registry returns node defs, use them here
-const placeholderNodeDef: ComfyNodeDef = {
-  name: 'Sample Node',
-  display_name: 'Sample Node',
-  description: 'This is a sample node for preview purposes',
-  inputs: {
-    input1: { name: 'Input 1', type: 'IMAGE' },
-    input2: { name: 'Input 2', type: 'CONDITIONING' }
-  },
-  outputs: [
-    { name: 'Output 1', type: 'IMAGE', index: 0, is_list: false },
-    { name: 'Output 2', type: 'MASK', index: 1, is_list: false }
-  ],
-  category: 'Utility',
-  output_node: false,
-  python_module: 'nodes'
+const { getNodeDefs } = useComfyRegistryStore()
+
+const isLoading = ref(false)
+const registryNodeDefs = shallowRef<ListComfyNodesResponse | null>(null)
+
+const fetchNodeDefs = async () => {
+  isLoading.value = true
+
+  const { id: packId } = nodePack
+  const version = nodePack.latest_version?.version
+
+  if (!packId || !version) {
+    registryNodeDefs.value = null
+  } else {
+    const response = await getNodeDefs.call({
+      packId,
+      version,
+      page: 1,
+      limit: 256
+    })
+    registryNodeDefs.value = response?.comfy_nodes ?? null
+  }
+
+  isLoading.value = false
 }
+
+whenever(() => nodePack, fetchNodeDefs, { immediate: true, deep: true })
+
+const toFrontendNodeDef = (nodeDef: components['schemas']['ComfyNode']) => {
+  try {
+    return registryToFrontendV2NodeDef(nodeDef, nodePack)
+  } catch (error) {
+    return null
+  }
+}
+const mappedNodeDefs = computed(() => {
+  if (!registryNodeDefs.value) return null
+  return registryNodeDefs.value
+    .map(toFrontendNodeDef)
+    .filter((nodeDef) => nodeDef !== null)
+})
+
+const createNodeDefKey = (nodeDef: components['schemas']['ComfyNode']) =>
+  `${nodeDef.category}${nodeDef.comfy_node_name ?? useId()}`
 </script>
diff --git a/src/locales/en/main.json b/src/locales/en/main.json
index b2658c1c7..dcc2c749f 100644
--- a/src/locales/en/main.json
+++ b/src/locales/en/main.json
@@ -111,6 +111,8 @@
   "manager": {
     "title": "Custom Nodes Manager",
     "failed": "Failed ({count})",
+    "noNodesFound": "No nodes found",
+    "noNodesFoundDescription": "The pack's nodes either could not be parsed, or the pack is a frontend extension only and doesn't have any nodes.",
     "installationQueue": "Installation Queue",
     "changingVersion": "Changing version from {from} to {to}",
     "dependencies": "Dependencies",
diff --git a/src/locales/es/main.json b/src/locales/es/main.json
index 31b0c8f6a..f3876a914 100644
--- a/src/locales/es/main.json
+++ b/src/locales/es/main.json
@@ -428,6 +428,8 @@
     "loadingVersions": "Cargando versiones...",
     "nightlyVersion": "Nocturna",
     "noDescription": "No hay descripción disponible",
+    "noNodesFound": "No se encontraron nodos",
+    "noNodesFoundDescription": "Los nodos del paquete no se pudieron analizar, o el paquete es solo una extensión de frontend y no tiene ningún nodo.",
     "noResultsFound": "No se encontraron resultados que coincidan con tu búsqueda.",
     "nodePack": "Paquete de Nodos",
     "packsSelected": "Paquetes Seleccionados",
diff --git a/src/locales/fr/main.json b/src/locales/fr/main.json
index 934d019a2..6c03cf198 100644
--- a/src/locales/fr/main.json
+++ b/src/locales/fr/main.json
@@ -428,6 +428,8 @@
     "loadingVersions": "Chargement des versions...",
     "nightlyVersion": "Nocturne",
     "noDescription": "Aucune description disponible",
+    "noNodesFound": "Aucun nœud trouvé",
+    "noNodesFoundDescription": "Les nœuds du pack n'ont pas pu être analysés, ou le pack est une extension frontend uniquement et n'a pas de nœuds.",
     "noResultsFound": "Aucun résultat trouvé correspondant à votre recherche.",
     "nodePack": "Pack de Nœuds",
     "packsSelected": "Packs sélectionnés",
diff --git a/src/locales/ja/main.json b/src/locales/ja/main.json
index 3c5962098..9f2f9e627 100644
--- a/src/locales/ja/main.json
+++ b/src/locales/ja/main.json
@@ -428,6 +428,8 @@
     "loadingVersions": "バージョンを読み込んでいます...",
     "nightlyVersion": "ナイトリー",
     "noDescription": "説明はありません",
+    "noNodesFound": "ノードが見つかりません",
+    "noNodesFoundDescription": "パックのノードは解析できなかったか、パックがフロントエンドの拡張機能のみでノードがない可能性があります。",
     "noResultsFound": "検索に一致する結果が見つかりませんでした。",
     "nodePack": "ノードパック",
     "packsSelected": "選択したパック",
diff --git a/src/locales/ko/main.json b/src/locales/ko/main.json
index 5711846d2..763a5c18a 100644
--- a/src/locales/ko/main.json
+++ b/src/locales/ko/main.json
@@ -428,6 +428,8 @@
     "loadingVersions": "버전 로딩 중...",
     "nightlyVersion": "최신 테스트 버전(nightly)",
     "noDescription": "설명이 없습니다",
+    "noNodesFound": "노드를 찾을 수 없습니다",
+    "noNodesFoundDescription": "팩의 노드를 파싱할 수 없거나, 팩이 프론트엔드 확장만을 가지고 있어서 노드가 없습니다.",
     "noResultsFound": "검색과 일치하는 결과가 없습니다.",
     "nodePack": "노드 팩",
     "packsSelected": "선택한 노드 팩",
diff --git a/src/locales/ru/main.json b/src/locales/ru/main.json
index 83ef5c661..fd7864cdd 100644
--- a/src/locales/ru/main.json
+++ b/src/locales/ru/main.json
@@ -428,6 +428,8 @@
     "loadingVersions": "Загрузка версий...",
     "nightlyVersion": "Ночная",
     "noDescription": "Описание отсутствует",
+    "noNodesFound": "Узлы не найдены",
+    "noNodesFoundDescription": "Узлы пакета не могут быть проанализированы, или пакет является только расширением интерфейса и не имеет узлов.",
     "noResultsFound": "По вашему запросу ничего не найдено.",
     "nodePack": "Пакет Узлов",
     "packsSelected": "Выбрано пакетов",
diff --git a/src/locales/zh/main.json b/src/locales/zh/main.json
index 72ebd6480..527b943f8 100644
--- a/src/locales/zh/main.json
+++ b/src/locales/zh/main.json
@@ -428,6 +428,8 @@
     "loadingVersions": "正在加载版本...",
     "nightlyVersion": "每夜",
     "noDescription": "无可用描述",
+    "noNodesFound": "未找到节点",
+    "noNodesFoundDescription": "无法解析包的节点，或者该包仅为前端扩展，没有任何节点。",
     "noResultsFound": "未找到符合您搜索的结果。",
     "nodePack": "节点包",
     "packsSelected": "选定的包",
diff --git a/src/services/comfyRegistryService.ts b/src/services/comfyRegistryService.ts
index 7a55959fc..74edfd44a 100644
--- a/src/services/comfyRegistryService.ts
+++ b/src/services/comfyRegistryService.ts
@@ -1,7 +1,6 @@
 import axios, { AxiosError, AxiosResponse } from 'axios'
 import { ref } from 'vue'
 
-import { useNodeDefStore } from '@/stores/nodeDefStore'
 import type { components, operations } from '@/types/comfyRegistryTypes'
 import { isAbortError } from '@/utils/typeGuardUtil'
 
@@ -25,29 +24,6 @@ export const useComfyRegistryService = () => {
   const isLoading = ref(false)
   const error = ref<string | null>(null)
 
-  const nodeDefStore = useNodeDefStore()
-
-  const isLocalNodePack = (nodePackId: string) =>
-    !!nodeDefStore.nodeDefsByName[nodePackId]
-
-  const isLocalNode = (nodeName: string, nodePackId: string) => {
-    if (!nodeDefStore.nodeDefsByName[nodeName]) return false
-    return (
-      nodeDefStore.nodeDefsByName[nodeName].python_module.toLowerCase() ===
-      nodePackId.toLowerCase()
-    )
-  }
-
-  /**
-   * Check if the node definitions for the pack are available
-   */
-  const packNodesAvailable = (node: components['schemas']['Node']) => {
-    if (node.id && isLocalNodePack(node.id)) return true
-    if (node.latest_version?.comfy_node_extract_status !== 'success')
-      return false
-    return true
-  }
-
   const handleApiError = (
     err: unknown,
     context: string,
@@ -125,11 +101,11 @@ export const useComfyRegistryService = () => {
   const getNodeDefs = async (
     params: {
       packId: components['schemas']['Node']['id']
-      versionId: components['schemas']['NodeVersion']['id']
-    },
+      version: components['schemas']['NodeVersion']['version']
+    } & operations['ListComfyNodes']['parameters']['query'],
     signal?: AbortSignal
   ) => {
-    const { packId, versionId } = params
+    const { packId, version: versionId, ...queryParams } = params
     if (!packId || !versionId) return null
 
     const endpoint = `/nodes/${packId}/versions/${versionId}/comfy-nodes`
@@ -141,7 +117,10 @@ export const useComfyRegistryService = () => {
 
     return executeApiRequest(
       () =>
-        registryApiClient.get<components['schemas']['ComfyNode'][]>(endpoint, {
+        registryApiClient.get<
+          operations['ListComfyNodes']['responses'][200]['content']['application/json']
+        >(endpoint, {
+          params: queryParams,
           signal
         }),
       errorContext,
@@ -149,33 +128,6 @@ export const useComfyRegistryService = () => {
     )
   }
 
-  /**
-   * Get a Comfy Node definition for a specific node in a specific version of a node pack
-   * @param packId - The ID of the node pack
-   * @param versionId - The version of the node pack
-   * @param comfyNodeName - The name of the comfy node (corresponds to `ComfyNodeDef#name`)
-   * @returns The node definition or null if not found or an error occurred
-   */
-  const getNodeDef = async (
-    params: {
-      packId: components['schemas']['Node']['id']
-      versionId: components['schemas']['NodeVersion']['id']
-      comfyNodeName: components['schemas']['ComfyNode']['comfy_node_name']
-    },
-    signal?: AbortSignal
-  ) => {
-    const { packId, versionId, comfyNodeName } = params
-    if (!comfyNodeName || !packId || !versionId) return null
-    if (isLocalNode(comfyNodeName, packId))
-      return nodeDefStore.nodeDefsByName[comfyNodeName]
-
-    const nodeDefs = await getNodeDefs({ packId, versionId }, signal)
-    return (
-      nodeDefs?.find((nodeDef) => nodeDef.comfy_node_name === comfyNodeName) ||
-      null
-    )
-  }
-
   /**
    * Get a paginated list of packs matching specific criteria.
    * Search packs using `search` param. Search individual nodes using `comfy_node_search` param.
@@ -377,9 +329,7 @@ export const useComfyRegistryService = () => {
     getPackByVersion,
     getPublisherById,
     listPacksForPublisher,
-    getNodeDef,
     getNodeDefs,
-    postPackReview,
-    packNodesAvailable
+    postPackReview
   }
 }
diff --git a/src/stores/comfyRegistryStore.ts b/src/stores/comfyRegistryStore.ts
index a5a54bbb4..7aa9a5cf2 100644
--- a/src/stores/comfyRegistryStore.ts
+++ b/src/stores/comfyRegistryStore.ts
@@ -13,7 +13,10 @@ type NodePack = components['schemas']['Node']
 type ListPacksParams = operations['listAllNodes']['parameters']['query']
 type ListPacksResult =
   operations['listAllNodes']['responses'][200]['content']['application/json']
-type ComfyNode = components['schemas']['ComfyNode']
+type GetNodeDefsParams = operations['ListComfyNodes']['parameters']['query'] & {
+  packId: components['schemas']['Node']['id']
+  version: components['schemas']['NodeVersion']['version']
+}
 type GetPackByIdPath = operations['getNode']['parameters']['path']['nodeId']
 
 const isNodePack = (pack: NodePack | undefined): pack is NodePack => {
@@ -89,8 +92,8 @@ export const useComfyRegistryStore = defineStore('comfyRegistry', () => {
    * Get the node definitions for a pack
    */
   const getNodeDefs = useCachedRequest<
-    { packId: string; versionId: string },
-    ComfyNode[]
+    GetNodeDefsParams,
+    operations['ListComfyNodes']['responses'][200]['content']['application/json']
   >(registryService.getNodeDefs, { maxSize: PACK_BY_ID_CACHE_SIZE })
 
   /**
diff --git a/src/utils/mapperUtil.ts b/src/utils/mapperUtil.ts
new file mode 100644
index 000000000..82d27fac4
--- /dev/null
+++ b/src/utils/mapperUtil.ts
@@ -0,0 +1,77 @@
+import { transformInputSpecV1ToV2 } from '@/schemas/nodeDef/migration'
+import {
+  ComfyNodeDef as ComfyNodeDefV2,
+  InputSpec
+} from '@/schemas/nodeDef/nodeDefSchemaV2'
+import { ComfyNodeDef as ComfyNodeDefV1 } from '@/schemas/nodeDefSchema'
+import { components } from '@/types/comfyRegistryTypes'
+
+const registryToFrontendV2NodeOutputs = (
+  registryDef: components['schemas']['ComfyNode']
+): ComfyNodeDefV2['outputs'] => {
+  const returnTypes = JSON.parse(registryDef.return_types ?? '{}')
+  if (!returnTypes.length) return []
+
+  const returnNames = JSON.parse(registryDef.return_names ?? '{}')
+  const outputsIsList = registryDef.output_is_list ?? []
+
+  const outputs = []
+  for (let i = 0; i < returnTypes.length; i++) {
+    outputs.push({
+      type: returnTypes[i],
+      name: returnNames[i] || returnTypes[i],
+      is_list: outputsIsList[i] ?? false,
+      index: i
+    })
+  }
+
+  return outputs
+}
+
+const registryToFrontendV2NodeInputs = (
+  registryDef: components['schemas']['ComfyNode']
+): ComfyNodeDefV2['inputs'] => {
+  const inputTypes = JSON.parse(
+    registryDef.input_types ?? '{}'
+  ) as ComfyNodeDefV1['input']
+  if (!inputTypes || !Object.keys(inputTypes).length) return {}
+
+  const inputsV2: Record<string, InputSpec> = {}
+
+  if (inputTypes.required) {
+    Object.entries(inputTypes.required).forEach(([name, inputSpecV1]) => {
+      inputsV2[name] = transformInputSpecV1ToV2(inputSpecV1, {
+        name,
+        isOptional: false
+      })
+    })
+  }
+
+  if (inputTypes.optional) {
+    Object.entries(inputTypes.optional).forEach(([name, inputSpecV1]) => {
+      inputsV2[name] = transformInputSpecV1ToV2(inputSpecV1, {
+        name,
+        isOptional: true
+      })
+    })
+  }
+
+  return inputsV2
+}
+
+export const registryToFrontendV2NodeDef = (
+  nodeDef: components['schemas']['ComfyNode'],
+  nodePack: components['schemas']['Node']
+): ComfyNodeDefV2 => {
+  const name = nodeDef.comfy_node_name ?? 'Node Name'
+  return {
+    category: nodeDef.category ?? 'unknown',
+    description: nodeDef.description ?? '',
+    display_name: name,
+    name,
+    inputs: registryToFrontendV2NodeInputs(nodeDef),
+    outputs: registryToFrontendV2NodeOutputs(nodeDef),
+    output_node: false,
+    python_module: nodePack.name ?? nodePack.id ?? 'unknown'
+  }
+}