diff --git a/apps/landing-page/app/pages/plugins/[...slug].astro b/apps/landing-page/app/pages/plugins/[...slug].astro
index 29a8a59d85..b26610d82a 100644
--- a/apps/landing-page/app/pages/plugins/[...slug].astro
+++ b/apps/landing-page/app/pages/plugins/[...slug].astro
@@ -3,6 +3,7 @@ import '../../globals.css';
 import { createElement } from 'react';
 import { renderToStaticMarkup } from 'react-dom/server';
 import { Header } from '../../_components/header';
+import { getCatalogCounts } from '../../_lib/catalog';
 import type { PublicPluginEntry } from '../../plugin-registry';
 import { getPublicPlugins } from '../../plugin-registry';
 
@@ -18,7 +19,10 @@ const site = Astro.site ?? new URL('https://open-design.ai');
 const canonical = new URL(plugin.detailHref, site).toString();
 const title = `${plugin.title} — Open Design Plugin`;
 const description = `${plugin.description} Install with ${plugin.installCommand}.`;
-const headerHtml = renderToStaticMarkup(createElement(Header));
+const catalogCounts = await getCatalogCounts();
+const headerHtml = renderToStaticMarkup(
+  createElement(Header, { counts: catalogCounts, brandHref: '/' }),
+);
 const related = getPublicPlugins()
   .filter((item) => item.id !== plugin.id && item.registryId === plugin.registryId)
   .slice(0, 6);
diff --git a/apps/landing-page/app/pages/plugins/index.astro b/apps/landing-page/app/pages/plugins/index.astro
index d66ee30269..eb56da9cde 100644
--- a/apps/landing-page/app/pages/plugins/index.astro
+++ b/apps/landing-page/app/pages/plugins/index.astro
@@ -3,10 +3,12 @@ import '../../globals.css';
 import { createElement } from 'react';
 import { renderToStaticMarkup } from 'react-dom/server';
 import { Header } from '../../_components/header';
+import { getCatalogCounts } from '../../_lib/catalog';
 import { getPublicPlugins, getRegistryCounts } from '../../plugin-registry';
 
 const plugins = getPublicPlugins();
 const counts = getRegistryCounts(plugins);
+const catalogCounts = await getCatalogCounts();
 const previewCount = plugins.filter((plugin) => plugin.preview).length;
 const surfaceCount = new Set(
   plugins.map((plugin) => plugin.mode ?? plugin.surface ?? plugin.visualKind),
@@ -25,7 +27,9 @@ const site = Astro.site ?? new URL('https://open-design.ai');
 const canonical = new URL('/plugins/', site).toString();
 const title = 'Open Design Plugins — Official and community registries';
 const description = `Browse ${counts.all} Open Design plugins from official and community registries. Search installable agent-native design workflows with stable vendor/plugin IDs.`;
-const headerHtml = renderToStaticMarkup(createElement(Header));
+const headerHtml = renderToStaticMarkup(
+  createElement(Header, { counts: catalogCounts, brandHref: '/' }),
+);
 const itemListJsonLd = {
   '@context': 'https://schema.org',
   '@type': 'ItemList',
diff --git a/scripts/postinstall.mjs b/scripts/postinstall.mjs
index ecc1d91f92..5558e73b75 100644
--- a/scripts/postinstall.mjs
+++ b/scripts/postinstall.mjs
@@ -8,6 +8,8 @@ const repoRoot = resolve(scriptDir, "..");
 
 const buildTargets = [
   "packages/contracts",
+  "packages/plugin-runtime",
+  "packages/registry-protocol",
   "packages/sidecar-proto",
   "packages/sidecar",
   "packages/platform",