diff --git a/astro.config.mjs b/astro.config.mjs
index 0f31898f..0d47e8ea 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -9,6 +9,7 @@ import remarkHeadingId from "./plugins/remark-heading-id.mjs";
 import remarkPlantUML from "./plugins/remark-plantuml.mjs";
 import agentDocs from "./plugins/astro-agent-docs.mjs";
 import { sidebar } from "./sidebar.mjs";
+import { TITLE, DESCRIPTION, PUBLISHER, OG_ALT } from "./src/branding.mjs";
 
 // https://astro.build/config
 export default defineConfig({
@@ -21,7 +22,7 @@ export default defineConfig({
   },
   integrations: [
     starlight({
-      title: "ICP Developer Docs",
+      title: TITLE,
       components: {
         EditLink: "./src/components/EditLink.astro",
         Footer: "./src/components/Footer.astro",
@@ -42,7 +43,7 @@ export default defineConfig({
           attrs: {
             rel: "alternate",
             type: "application/rss+xml",
-            title: "ICP Developer Docs",
+            title: TITLE,
             href: "/feed.xml",
           },
         },
@@ -52,7 +53,7 @@ export default defineConfig({
         },
         {
           tag: "meta",
-          attrs: { name: "author", content: "DFINITY Foundation" },
+          attrs: { name: "author", content: PUBLISHER },
         },
         {
           tag: "meta",
@@ -60,7 +61,7 @@ export default defineConfig({
         },
         {
           tag: "meta",
-          attrs: { property: "og:image:alt", content: "ICP Developer Docs — Build on Internet Computer" },
+          attrs: { property: "og:image:alt", content: OG_ALT },
         },
         {
           tag: "meta",
@@ -75,15 +76,15 @@ export default defineConfig({
               {
                 "@type": "WebSite",
                 "@id": "https://beta-docs.internetcomputer.org/#website",
-                "name": "ICP Developer Docs",
-                "description": "Developer documentation for building full-stack web applications, DeFi protocols, and cross-chain integrations on the Internet Computer.",
+                "name": TITLE,
+                "description": DESCRIPTION,
                 "url": "https://beta-docs.internetcomputer.org",
                 "publisher": { "@id": "https://beta-docs.internetcomputer.org/#organization" },
               },
               {
                 "@type": "Organization",
                 "@id": "https://beta-docs.internetcomputer.org/#organization",
-                "name": "DFINITY Foundation",
+                "name": PUBLISHER,
                 "url": "https://dfinity.org",
               },
             ],
diff --git a/plugins/astro-agent-docs.mjs b/plugins/astro-agent-docs.mjs
index 5508310b..ddff8204 100644
--- a/plugins/astro-agent-docs.mjs
+++ b/plugins/astro-agent-docs.mjs
@@ -18,6 +18,7 @@ import { fileURLToPath } from "node:url";
 import { glob } from "glob";
 import matter from "gray-matter";
 import { sidebar } from "../sidebar.mjs";
+import { TITLE, DESCRIPTION, PUBLISHER } from "../src/branding.mjs";
 import { extractSnippet } from "./remark-snippet.mjs";
 
 /**
@@ -360,9 +361,9 @@ function generateLlmsTxt(pages, siteUrl) {
     "https://skills.internetcomputer.org/.well-known/skills";
 
   const lines = [
-    "# ICP Developer Docs",
+    `# ${TITLE}`,
     "",
-    "> Developer documentation for building full-stack web applications, DeFi protocols, and cross-chain integrations on the Internet Computer.",
+    `> ${DESCRIPTION}`,
     "",
     "## Agent skills",
     "",
@@ -552,11 +553,11 @@ export default function agentDocs() {
           '<?xml version="1.0" encoding="UTF-8"?>',
           '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/">',
           "  <channel>",
-          "    <title>ICP Developer Docs</title>",
+          `    <title>${escapeXml(TITLE)}</title>`,
           `    <link>${base}/</link>`,
-          "    <description>Developer documentation for building full-stack web applications, DeFi protocols, and cross-chain integrations on the Internet Computer.</description>",
+          `    <description>${escapeXml(DESCRIPTION)}</description>`,
           "    <language>en-us</language>",
-          "    <copyright>DFINITY Foundation</copyright>",
+          `    <copyright>${escapeXml(PUBLISHER)}</copyright>`,
           `    <lastBuildDate>${new Date().toUTCString()}</lastBuildDate>`,
           channelPubDate
             ? `    <pubDate>${new Date(channelPubDate.date).toUTCString()}</pubDate>`
@@ -574,7 +575,7 @@ export default function agentDocs() {
                 ? `      <pubDate>${new Date(item.date).toUTCString()}</pubDate>`
                 : "",
               `      <guid isPermaLink="true">${item.url}</guid>`,
-              "      <dc:creator>DFINITY Foundation</dc:creator>",
+              `      <dc:creator>${escapeXml(PUBLISHER)}</dc:creator>`,
               "    </item>",
             ]
               .filter(Boolean)
diff --git a/src/branding.mjs b/src/branding.mjs
new file mode 100644
index 00000000..b4e328af
--- /dev/null
+++ b/src/branding.mjs
@@ -0,0 +1,8 @@
+// Shared branding strings used across astro.config.mjs and build-time plugins.
+// Edit here to change site title, description, or publisher everywhere.
+
+export const TITLE = "ICP Developer Docs";
+export const DESCRIPTION =
+  "Developer documentation for building full-stack web applications, digital assets and payments, and cross-chain integrations on the Internet Computer.";
+export const PUBLISHER = "DFINITY Foundation";
+export const OG_ALT = "ICP Developer Docs: build on the Internet Computer";