diff --git a/frontends/nextjs/src/lib/nerd-mode-ide/build-package-manifest-json.ts b/frontends/nextjs/src/lib/nerd-mode-ide/build-package-manifest-json.ts
new file mode 100644
index 000000000..f11537e42
--- /dev/null
+++ b/frontends/nextjs/src/lib/nerd-mode-ide/build-package-manifest-json.ts
@@ -0,0 +1,13 @@
+import type { PackageTemplateConfig } from './types'
+
+export function buildPackageManifestJson(config: PackageTemplateConfig): string {
+  const manifest = {
+    scripts: config.luaScripts.map((script) => ({
+      file: script.fileName,
+      name: script.fileName.replace(/\.lua$/, ''),
+      category: 'package',
+      description: script.description,
+    })),
+  }
+  return JSON.stringify(manifest, null, 2)
+}
diff --git a/frontends/nextjs/src/lib/nerd-mode-ide/build-package-metadata-json.ts b/frontends/nextjs/src/lib/nerd-mode-ide/build-package-metadata-json.ts
new file mode 100644
index 000000000..0aa45a2dd
--- /dev/null
+++ b/frontends/nextjs/src/lib/nerd-mode-ide/build-package-metadata-json.ts
@@ -0,0 +1,22 @@
+import type { PackageTemplateConfig } from './types'
+
+export function buildPackageMetadataJson(config: PackageTemplateConfig): string {
+  const componentIds = config.components
+    .map((component) => component.id)
+    .filter((id): id is string => typeof id === 'string')
+
+  const metadata = {
+    packageId: config.packageId,
+    name: config.name,
+    version: config.version,
+    description: config.summary,
+    author: config.author,
+    category: config.category,
+    dependencies: [],
+    exports: {
+      components: componentIds,
+    },
+  }
+
+  return JSON.stringify(metadata, null, 2)
+}