diff --git a/astro.config.mjs b/astro.config.mjs
index c3d0435..c658c53 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -8,7 +8,6 @@ import { VitePluginRadar } from 'vite-plugin-radar';
 
 
 let sidebar = JSON.parse(fs.readFileSync("generated/sidebar.json"));
-let linter_sidebar = JSON.parse(fs.readFileSync("generated/linter_sidebar.json"));
 let redirects = JSON.parse(fs.readFileSync("generated/redirects.json"));
 let config = JSON.parse(fs.readFileSync("generated/config.json"));
 
@@ -28,8 +27,7 @@ export default defineConfig({
     social: {
       github: config.urls.repo,
     },
-    // Google Analytics tag.
-    sidebar: sidebar.concat(linter_sidebar)
+    sidebar: sidebar
   }),
   tailwind({
     applyBaseStyles: false,
diff --git a/scripts/generate.ts b/scripts/generate.ts
index de7e823..af29eba 100644
--- a/scripts/generate.ts
+++ b/scripts/generate.ts
@@ -7,8 +7,8 @@ import { type AEP, type ConsolidatedLinterRule, type GroupFile, type LinterRule,
 import { buildMarkdown, Markdown } from './src/markdown';
 import { load, dump } from "js-yaml";
 
-const AEP_LOC = process.env.AEP_LOCATION!;
-const AEP_LINTER_LOC = process.env.AEP_LINTER_LOC!;
+const AEP_LOC = process.env.AEP_LOCATION || "";
+const AEP_LINTER_LOC = process.env.AEP_LINTER_LOC || "";
 
 async function getFolders(dirPath: string): Promise<string[]> {
   const entries = await fs.promises.readdir(dirPath, { withFileTypes: true });
@@ -272,48 +272,58 @@ function buildHomepage(): Markdown {
   return markdown;
 }
 
-// Build config.
-let config = loadConfigFiles("hero.yaml", "urls.yaml", "site.yaml");
-writeSidebar(config, "config.json");
+let sidebar: Sidebar = [];
 
-// Build out AEPs.
-let aeps = await assembleAEPs();
+if(AEP_LOC != "") {
+  // Build config.
+  let config = loadConfigFiles("hero.yaml", "urls.yaml", "site.yaml");
+  writeSidebar(config, "config.json");
 
-// Build sidebar.
-let sidebar = buildSidebar(aeps, readGroupFile(AEP_LOC));
+  // Write assorted pages.
+  sidebar = await writePages(AEP_LOC, sidebar);
 
-let full_aeps = buildFullAEPList(aeps);
-writeSidebar(full_aeps, "full_aeps.json");
+  // Build out AEPs.
+  let aeps = await assembleAEPs();
 
+  // Build sidebar.
+  sidebar = buildSidebar(aeps, readGroupFile(AEP_LOC), sidebar);
 
-// Write AEPs to files.
-for (var aep of aeps) {
-  writeMarkdown(aep);
-}
+  let full_aeps = buildFullAEPList(aeps);
+  writeSidebar(full_aeps, "full_aeps.json");
 
-// Write assorted pages.
-sidebar = await writePages(AEP_LOC, sidebar);
 
-// Write linter pages.
-await writePage(AEP_LINTER_LOC, "README.md", "src/content/docs/tooling/linter/index.md", "Protobuf Linter")
+  // Write AEPs to files.
+  for (var aep of aeps) {
+    writeMarkdown(aep);
+  }
 
-// Write site generator.
-await writePage(".", "README.md", "src/content/docs/tooling/website/index.md", "")
-writeSidebar(sidebar, "sidebar.json");
+  buildIndexPage(aeps);
+  writeSidebar(buildRedirects(aeps), "redirects.json");
 
-// Write out linter rules.
-let linter_rules = await assembleLinterRules();
-let consolidated_rules = consolidateLinterRule(linter_rules);
-for (var rule of consolidated_rules) {
-  writeRule(rule);
+  let homePage = buildHomepage();
+  fs.writeFileSync("src/content/docs/index.mdx", homePage.build());
+} else {
+  console.warn("AEP repo is not found.")
 }
 
-var linter_sidebar = buildLinterSidebar(consolidated_rules);
-addToSidebar(linter_sidebar, "Tooling", [{label: "Website", link: "tooling/website"}]);
-writeSidebar(linter_sidebar, "linter_sidebar.json");
+if (AEP_LINTER_LOC != "") {
+  // Write linter pages.
+  await writePage(AEP_LINTER_LOC, "README.md", "src/content/docs/tooling/linter/index.md", "Protobuf Linter")
+
+  // Write site generator.
+  await writePage(".", "README.md", "src/content/docs/tooling/website/index.md", "")
 
-buildIndexPage(aeps);
-writeSidebar(buildRedirects(aeps), "redirects.json");
+  // Write out linter rules.
+  let linter_rules = await assembleLinterRules();
+  let consolidated_rules = consolidateLinterRule(linter_rules);
+  for (var rule of consolidated_rules) {
+    writeRule(rule);
+  }
+
+  sidebar = buildLinterSidebar(consolidated_rules, sidebar)
+  sidebar = addToSidebar(sidebar, "Tooling", [{label: "Website", link: "tooling/website"}]);
+} else {
+  console.warn("Proto linter repo is not found.")
+}
 
-let homePage = buildHomepage();
-fs.writeFileSync("src/content/docs/index.mdx", homePage.build());
\ No newline at end of file
+writeSidebar(sidebar, "sidebar.json");
diff --git a/scripts/src/sidebar.ts b/scripts/src/sidebar.ts
index 6ceab42..99ad353 100644
--- a/scripts/src/sidebar.ts
+++ b/scripts/src/sidebar.ts
@@ -1,7 +1,7 @@
 import type { Sidebar, AEP, ConsolidatedLinterRule } from './types';
 
-function buildLinterSidebar(rules: ConsolidatedLinterRule[]): Sidebar {
-  return [
+function buildLinterSidebar(rules: ConsolidatedLinterRule[], sidebar: Sidebar): Sidebar {
+  let contents = [
     {
     label: 'Tooling',
     items: [
@@ -19,21 +19,22 @@ function buildLinterSidebar(rules: ConsolidatedLinterRule[]): Sidebar {
       ]
     }
   ];
+  return addToSidebar(sidebar, "Tooling", contents);
 }
 
-function buildSidebar(aeps: AEP[], groups: any): Sidebar {
-  let response = [{'label': 'Overview', 'items':[]}];
-
+function buildSidebar(aeps: AEP[], groups: any, sidebar: Sidebar): Sidebar {
+  let response = [];
   for (var group of groups.categories) {
     response.push({
       'label': group.title,
-      'items': aeps.filter((aep) => aep.category == group.code).sort((a1, a2) => a1.order > a2.order ? 1 : -1).map((aep) => ({label: `${aep.id}. ${aep.title}`, link: aep.slug}))
+      'items': aeps.filter((aep) => aep.category == group.code).sort((a1, a2) => a1.id > a2.id ? 1 : -1).map((aep) => ({label: `${aep.id}. ${aep.title}`, link: aep.slug}))
     })
   }
-  return response as Sidebar;
+  
+  return addToSidebar(sidebar, "AEPs", response);
 }
 
-function addToSidebar(sidebar: Sidebar, label: string, items: string[]): Sidebar {
+function addToSidebar(sidebar: Sidebar, label: string, items): Sidebar {
   const targetGroupIndex = sidebar.findIndex(group => group.label === label);
   if (targetGroupIndex != -1) {
     if (Array.isArray(sidebar[targetGroupIndex].items)) {
@@ -41,6 +42,8 @@ function addToSidebar(sidebar: Sidebar, label: string, items: string[]): Sidebar
     } else {
       sidebar[targetGroupIndex].items = items;
     }
+  } else {
+    sidebar.push({'label': label, items: items})
   }
   return sidebar;
 }