diff --git a/apps/logicsrc-web/next.config.ts b/apps/logicsrc-web/next.config.ts
index f307edf..b04c5ce 100644
--- a/apps/logicsrc-web/next.config.ts
+++ b/apps/logicsrc-web/next.config.ts
@@ -6,7 +6,19 @@ import type { NextConfig } from "next";
 // webhooks) are filesystem routes and match before these afterFiles rewrites.
 const commandboardApiUrl = process.env.COMMANDBOARD_API_URL;
 
+const securityHeaders = [
+  // HSTS — site is HTTPS-only behind Railway. No `preload` (irreversible).
+  { key: "Strict-Transport-Security", value: "max-age=31536000; includeSubDomains" },
+  { key: "X-Content-Type-Options", value: "nosniff" },
+  { key: "X-Frame-Options", value: "SAMEORIGIN" },
+  { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
+  { key: "Permissions-Policy", value: "camera=(), microphone=(), geolocation=()" },
+];
+
 const nextConfig: NextConfig = {
+  async headers() {
+    return [{ source: "/:path*", headers: securityHeaders }];
+  },
   async rewrites() {
     if (!commandboardApiUrl) return [];
     const base = commandboardApiUrl.replace(/\/$/, "");
diff --git a/apps/logicsrc-web/src/app/.well-known/security.txt/route.ts b/apps/logicsrc-web/src/app/.well-known/security.txt/route.ts
new file mode 100644
index 0000000..8a1de08
--- /dev/null
+++ b/apps/logicsrc-web/src/app/.well-known/security.txt/route.ts
@@ -0,0 +1,17 @@
+const SITE_URL = (process.env.PUBLIC_URL ?? "https://logicsrc.com").replace(/\/$/, "");
+
+// GET /.well-known/security.txt (RFC 9116).
+export function GET(): Response {
+  const expires = new Date(Date.now() + 365 * 24 * 60 * 60 * 1000).toISOString();
+  const body = `Contact: mailto:security@profullstack.com
+Expires: ${expires}
+Preferred-Languages: en
+Canonical: ${SITE_URL}/.well-known/security.txt
+`;
+  return new Response(body, {
+    headers: {
+      "content-type": "text/plain; charset=utf-8",
+      "cache-control": "public, max-age=86400",
+    },
+  });
+}
diff --git a/apps/logicsrc-web/src/app/[[...slug]]/page.tsx b/apps/logicsrc-web/src/app/[[...slug]]/page.tsx
index 0647ce8..1a2168c 100644
--- a/apps/logicsrc-web/src/app/[[...slug]]/page.tsx
+++ b/apps/logicsrc-web/src/app/[[...slug]]/page.tsx
@@ -1,4 +1,5 @@
 import { notFound } from "next/navigation";
+import type { Metadata } from "next";
 import type { ReactNode } from "react";
 import { renderPageMarkup } from "@/lib/page-markup";
 import { HomeInteractivity } from "@/components/home-interactivity";
@@ -7,18 +8,57 @@ import { HomeInteractivity } from "@/components/home-interactivity";
 // scrolled to the matching section. We preserve those URLs (they are canonical
 // in sitemap.xml) by rendering the same page for each known route and 404ing
 // anything else.
-const KNOWN_ROUTES = new Set([
-  "docs",
-  "blog",
-  "openspec",
-  "credential-sharing",
-  "hire-us",
-  "about",
-  "terms",
-  "privacy",
-  "agent-swarm",
-  "agentbyte"
-]);
+const ROUTE_META: Record<string, { title: string; description: string }> = {
+  docs: {
+    title: "Docs · LogicSRC",
+    description: "LogicSRC specification guides, schemas, and CLI conventions for human–AI agent coordination.",
+  },
+  openspec: {
+    title: "LogicSRC vs OpenSpec.dev · LogicSRC",
+    description: "How LogicSRC's coordination standard compares with OpenSpec.dev, including MCP and agent support.",
+  },
+  "credential-sharing": {
+    title: "Credential Sharing · LogicSRC",
+    description: "Source/target credential diffs, approval, sync, rollback, and audit across .env, Doppler, Railway, and GitHub Secrets.",
+  },
+  "hire-us": {
+    title: "Hire Us · LogicSRC",
+    description: "Implementation help for LogicSRC, AgentSwarm, and Credential Sharing at $250/week for accepted work, paid via CoinPay.",
+  },
+  about: {
+    title: "About · LogicSRC",
+    description: "LogicSRC is the Profullstack, Inc. open-specification project for human and AI agent coordination.",
+  },
+  terms: { title: "Terms · LogicSRC", description: "LogicSRC terms of use." },
+  privacy: { title: "Privacy · LogicSRC", description: "LogicSRC privacy notes." },
+  "agent-swarm": {
+    title: "AgentSwarm · LogicSRC",
+    description: "Provider-neutral agent orchestration with model routing, cost controls, and GitHub integration.",
+  },
+  agentbyte: {
+    title: "AgentByte · LogicSRC",
+    description: "Agent screening sessions, AI-assisted humans, policy events, and APIs.",
+  },
+};
+
+const KNOWN_ROUTES = new Set(Object.keys(ROUTE_META));
+
+export async function generateMetadata({
+  params,
+}: {
+  params: Promise<{ slug?: string[] }>;
+}): Promise<Metadata> {
+  const { slug } = await params;
+  const key = slug?.[0];
+  if (key && ROUTE_META[key]) {
+    return {
+      title: ROUTE_META[key].title,
+      description: ROUTE_META[key].description,
+      alternates: { canonical: `/${key}` },
+    };
+  }
+  return {};
+}
 
 export default async function Page({
   params
diff --git a/apps/logicsrc-web/src/app/blog/[slug]/page.tsx b/apps/logicsrc-web/src/app/blog/[slug]/page.tsx
index 7b5d7be..ba66313 100644
--- a/apps/logicsrc-web/src/app/blog/[slug]/page.tsx
+++ b/apps/logicsrc-web/src/app/blog/[slug]/page.tsx
@@ -14,13 +14,16 @@ type PostRow = {
   html: string;
   featured_image: { url?: string } | null;
   published_at: string;
+  updated_at: string;
 };
 
+const SITE_URL = (process.env.PUBLIC_URL ?? "https://logicsrc.com").replace(/\/$/, "");
+
 async function loadPost(slug: string): Promise<PostRow | null> {
   const supabase = publicClient();
   const { data } = await supabase
     .from("blog_posts")
-    .select("slug, title, excerpt, html, featured_image, published_at")
+    .select("slug, title, excerpt, html, featured_image, published_at, updated_at")
     .eq("slug", slug)
     .eq("status", "published")
     .maybeSingle();
@@ -65,8 +68,25 @@ export default async function BlogPostPage({
   const post = await loadPost(slug);
   if (!post) notFound();
 
+  const jsonLd = {
+    "@context": "https://schema.org",
+    "@type": "BlogPosting",
+    headline: post.title,
+    description: post.excerpt ?? undefined,
+    image: post.featured_image?.url ? [post.featured_image.url] : undefined,
+    datePublished: post.published_at,
+    dateModified: post.updated_at,
+    url: `${SITE_URL}/blog/${post.slug}`,
+    mainEntityOfPage: `${SITE_URL}/blog/${post.slug}`,
+    publisher: { "@id": `${SITE_URL}/#organization` },
+  };
+
   return (
     <SiteShell active="Blog">
+      <script
+        type="application/ld+json"
+        dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+      />
       <article className="band" style={{ maxWidth: "48rem" }}>
         <p style={{ marginBottom: "1.5rem" }}>
           <Link href="/blog" style={{ color: "#5b6b7a", textDecoration: "none" }}>
diff --git a/apps/logicsrc-web/src/app/layout.tsx b/apps/logicsrc-web/src/app/layout.tsx
index 6ec8ee2..93bf19e 100644
--- a/apps/logicsrc-web/src/app/layout.tsx
+++ b/apps/logicsrc-web/src/app/layout.tsx
@@ -3,23 +3,91 @@ import type { ReactNode } from "react";
 import "../styles.css";
 import Script from "next/script";
 
+const SITE_URL = (process.env.PUBLIC_URL ?? "https://logicsrc.com").replace(/\/$/, "");
+const DESCRIPTION =
+  "Open schemas, primitives, and conventions for coordination between humans, AI agents, plugins, payment systems, and hosted products.";
+
 export const metadata: Metadata = {
-  title: "LogicSRC",
-  description:
-    "Open schemas, primitives, and conventions for coordination between humans, AI agents, plugins, payment systems, and hosted products.",
-  manifest: "/manifest.webmanifest"
+  metadataBase: new URL(SITE_URL),
+  title: "LogicSRC — Open Coordination Standards for Humans & AI Agents",
+  description: DESCRIPTION,
+  applicationName: "LogicSRC",
+  manifest: "/manifest.webmanifest",
+  alternates: { canonical: "/" },
+  icons: {
+    icon: [{ url: "/icon.svg", type: "image/svg+xml" }],
+    apple: "/icon.svg",
+  },
+  openGraph: {
+    type: "website",
+    siteName: "LogicSRC",
+    url: SITE_URL,
+    title: "LogicSRC — Open Coordination Standards for Humans & AI Agents",
+    description: DESCRIPTION,
+    images: ["/icon.svg"],
+  },
+  twitter: {
+    card: "summary",
+    title: "LogicSRC — Open Coordination Standards",
+    description: DESCRIPTION,
+    images: ["/icon.svg"],
+  },
 };
 
 export const viewport: Viewport = {
   themeColor: "#101418",
   width: "device-width",
-  initialScale: 1
+  initialScale: 1,
+};
+
+// Organization + WebSite JSON-LD so answer engines can resolve LogicSRC as a
+// distinct entity without guessing.
+const jsonLd = {
+  "@context": "https://schema.org",
+  "@graph": [
+    {
+      "@type": "Organization",
+      "@id": `${SITE_URL}/#organization`,
+      name: "LogicSRC",
+      url: SITE_URL,
+      logo: `${SITE_URL}/icon.svg`,
+      description: DESCRIPTION,
+      parentOrganization: {
+        "@type": "Organization",
+        name: "Profullstack, Inc.",
+        url: "https://profullstack.com",
+      },
+      sameAs: [
+        "https://github.com/profullstack/logicsrc",
+        "https://profullstack.com",
+      ],
+    },
+    {
+      "@type": "WebSite",
+      "@id": `${SITE_URL}/#website`,
+      url: SITE_URL,
+      name: "LogicSRC",
+      description: DESCRIPTION,
+      inLanguage: "en",
+      publisher: { "@id": `${SITE_URL}/#organization` },
+    },
+  ],
 };
 
 export default function RootLayout({ children }: { children: ReactNode }): ReactNode {
   return (
     <html lang="en">
-      <body>{children}        <Script data-site="56a0c760-e6cb-4875-844e-8b8aaa80b59b" src="https://crawlproof.com/stats.js" strategy="afterInteractive" />
+      <body>
+        <script
+          type="application/ld+json"
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+        />
+        {children}
+        <Script
+          data-site="56a0c760-e6cb-4875-844e-8b8aaa80b59b"
+          src="https://crawlproof.com/stats.js"
+          strategy="afterInteractive"
+        />
       </body>
     </html>
   );
diff --git a/apps/logicsrc-web/src/app/llms.txt/route.ts b/apps/logicsrc-web/src/app/llms.txt/route.ts
new file mode 100644
index 0000000..d923479
--- /dev/null
+++ b/apps/logicsrc-web/src/app/llms.txt/route.ts
@@ -0,0 +1,37 @@
+const SITE_URL = (process.env.PUBLIC_URL ?? "https://logicsrc.com").replace(/\/$/, "");
+
+// GET /llms.txt — concise, link-rich orientation for LLM crawlers
+// (https://llmstxt.org spec).
+export function GET(): Response {
+  const body = `# LogicSRC
+
+> Open schemas, primitives, and conventions for coordination between humans, AI agents, plugins, payment systems, and hosted products. LogicSRC defines the shared language; products can implement it without owning the standard. A Profullstack, Inc. open-specification project.
+
+## Core
+
+- [Home](${SITE_URL}/): Overview, standards surface, schemas, CLI, and reference implementations.
+- [Docs](${SITE_URL}/docs): Specification guides and conventions.
+- [OpenSpec](${SITE_URL}/openspec): LogicSRC vs OpenSpec.dev comparison and compatibility mode.
+- [Blog](${SITE_URL}/blog): Project notes and release announcements.
+- [Blog RSS](${SITE_URL}/blog/rss.xml): Machine-readable feed of posts.
+
+## Standards & products
+
+- [AgentSwarm](${SITE_URL}/agent-swarm): Provider-neutral agent orchestration, model routing, and cost controls.
+- [AgentByte](${SITE_URL}/agentbyte): Agent screening sessions, policy events, and APIs.
+- [Credential Sharing](${SITE_URL}/credential-sharing): Source/target credential diffs, approval, sync, rollback, and audit.
+
+## Company & legal
+
+- [About](${SITE_URL}/about): What LogicSRC is and who maintains it (Profullstack, Inc.).
+- [Hire Us](${SITE_URL}/hire-us): Implementation help at $250/week for accepted LogicSRC work.
+- [Terms](${SITE_URL}/terms)
+- [Privacy](${SITE_URL}/privacy)
+`;
+  return new Response(body, {
+    headers: {
+      "content-type": "text/plain; charset=utf-8",
+      "cache-control": "public, max-age=3600",
+    },
+  });
+}
diff --git a/apps/logicsrc-web/src/app/robots.ts b/apps/logicsrc-web/src/app/robots.ts
new file mode 100644
index 0000000..8597581
--- /dev/null
+++ b/apps/logicsrc-web/src/app/robots.ts
@@ -0,0 +1,30 @@
+import type { MetadataRoute } from "next";
+
+const SITE_URL = (process.env.PUBLIC_URL ?? "https://logicsrc.com").replace(/\/$/, "");
+
+// Welcome mainstream + AI crawlers; keep them out of the API surface.
+export default function robots(): MetadataRoute.Robots {
+  return {
+    rules: [
+      {
+        userAgent: [
+          "*",
+          "GPTBot",
+          "OAI-SearchBot",
+          "ChatGPT-User",
+          "ClaudeBot",
+          "Claude-Web",
+          "anthropic-ai",
+          "PerplexityBot",
+          "Google-Extended",
+          "Applebot-Extended",
+          "CCBot",
+        ],
+        allow: "/",
+        disallow: ["/api/", "/health"],
+      },
+    ],
+    sitemap: `${SITE_URL}/sitemap.xml`,
+    host: SITE_URL,
+  };
+}
diff --git a/apps/logicsrc-web/src/app/skill.md/route.ts b/apps/logicsrc-web/src/app/skill.md/route.ts
new file mode 100644
index 0000000..af58207
--- /dev/null
+++ b/apps/logicsrc-web/src/app/skill.md/route.ts
@@ -0,0 +1,42 @@
+const SITE_URL = (process.env.PUBLIC_URL ?? "https://logicsrc.com").replace(/\/$/, "");
+
+// GET /skill.md — capability manifest for agents discovering what this site
+// exposes.
+export function GET(): Response {
+  const body = `# LogicSRC Skill
+
+LogicSRC publishes open coordination standards (schemas, primitives, and
+conventions) for humans, AI agents, plugins, payment systems, and hosted
+products. CommandBoard.run is the reference implementation.
+
+Base URL: ${SITE_URL}
+
+## Resources
+
+- Specification & docs: ${SITE_URL}/docs
+- OpenSpec comparison: ${SITE_URL}/openspec
+- Schemas, CLI, SDK, TUI, and reference implementations: ${SITE_URL}/
+- Blog feed: ${SITE_URL}/blog/rss.xml
+- Sitemap: ${SITE_URL}/sitemap.xml
+- LLM orientation: ${SITE_URL}/llms.txt
+
+## What you can do here
+
+- Read the LogicSRC coordination schemas and conventions.
+- Compare LogicSRC with OpenSpec.dev.
+- Request paid implementation help via the Hire Us flow (${SITE_URL}/hire-us),
+  billed at $250/week for accepted work and paid through CoinPay.
+
+## Notes
+
+- Public marketing/spec content is open to crawl. The /api/ surface is for
+  application use, not crawling.
+- Contact: implementation requests via the Hire Us form at ${SITE_URL}/hire-us.
+`;
+  return new Response(body, {
+    headers: {
+      "content-type": "text/markdown; charset=utf-8",
+      "cache-control": "public, max-age=3600",
+    },
+  });
+}