diff --git a/apps/web/src/app/(authenticated)/settings/page.tsx b/apps/web/src/app/(authenticated)/settings/page.tsx
new file mode 100644
index 0000000..facf077
--- /dev/null
+++ b/apps/web/src/app/(authenticated)/settings/page.tsx
@@ -0,0 +1,239 @@
+"use client";
+
+import { useState } from "react";
+import type { ReactElement, ReactNode } from "react";
+import Link from "next/link";
+
+interface CategoryConfig {
+  title: string;
+  description: string;
+  href: string;
+  accent: string;
+  iconBg: string;
+  icon: ReactNode;
+}
+
+interface SettingsCategoryCardProps {
+  category: CategoryConfig;
+}
+
+function SettingsCategoryCard({ category }: SettingsCategoryCardProps): ReactElement {
+  const [hovered, setHovered] = useState(false);
+
+  return (
+    <Link href={category.href} style={{ textDecoration: "none" }}>
+      <div
+        onMouseEnter={(): void => {
+          setHovered(true);
+        }}
+        onMouseLeave={(): void => {
+          setHovered(false);
+        }}
+        style={{
+          background: hovered ? "var(--surface-2)" : "var(--surface)",
+          border: `1px solid ${hovered ? category.accent : "var(--border)"}`,
+          borderRadius: "var(--r-lg)",
+          padding: 20,
+          transition: "background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease",
+          boxShadow: hovered ? "0 4px 16px rgba(0,0,0,0.2)" : "none",
+          cursor: "pointer",
+          display: "flex",
+          flexDirection: "column",
+          gap: 12,
+          height: "100%",
+        }}
+      >
+        {/* Icon well */}
+        <div
+          style={{
+            width: 40,
+            height: 40,
+            borderRadius: "var(--r)",
+            background: category.iconBg,
+            display: "flex",
+            alignItems: "center",
+            justifyContent: "center",
+            color: category.accent,
+            transition: "transform 0.15s ease",
+            transform: hovered ? "scale(1.05)" : "scale(1)",
+          }}
+        >
+          {category.icon}
+        </div>
+
+        {/* Title */}
+        <div style={{ fontSize: "1rem", fontWeight: 700, color: "var(--text)" }}>
+          {category.title}
+        </div>
+
+        {/* Description */}
+        <div
+          style={{
+            fontSize: "0.83rem",
+            color: "var(--muted)",
+            lineHeight: 1.55,
+          }}
+        >
+          {category.description}
+        </div>
+
+        {/* CTA */}
+        <div
+          style={{
+            fontSize: "0.83rem",
+            color: hovered ? category.accent : "var(--muted)",
+            fontWeight: 500,
+            marginTop: "auto",
+            transition: "color 0.15s ease",
+          }}
+        >
+          Manage &rarr;
+        </div>
+      </div>
+    </Link>
+  );
+}
+
+const categories: CategoryConfig[] = [
+  {
+    title: "Credentials",
+    description:
+      "Securely store and manage API keys, tokens, and passwords used by agents and integrations.",
+    href: "/settings/credentials",
+    accent: "var(--ms-blue-400)",
+    iconBg: "rgba(47, 128, 255, 0.12)",
+    icon: (
+      <svg
+        width="20"
+        height="20"
+        viewBox="0 0 20 20"
+        fill="none"
+        stroke="currentColor"
+        strokeWidth="1.5"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        aria-hidden="true"
+      >
+        <rect x="5" y="9" width="10" height="8" rx="1.5" />
+        <path d="M7 9V6a3 3 0 0 1 6 0v3" />
+        <circle cx="10" cy="13" r="1" />
+      </svg>
+    ),
+  },
+  {
+    title: "Domains",
+    description:
+      "Organize tasks and projects by life areas or functional domains within your workspace.",
+    href: "/settings/domains",
+    accent: "var(--ms-teal-400)",
+    iconBg: "rgba(20, 184, 166, 0.12)",
+    icon: (
+      <svg
+        width="20"
+        height="20"
+        viewBox="0 0 20 20"
+        fill="none"
+        stroke="currentColor"
+        strokeWidth="1.5"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        aria-hidden="true"
+      >
+        <circle cx="10" cy="10" r="7.5" />
+        <line x1="2.5" y1="10" x2="17.5" y2="10" />
+        <path d="M10 2.5c2 2.5 3 5 3 7.5s-1 5-3 7.5" />
+        <path d="M10 2.5c-2 2.5-3 5-3 7.5s1 5 3 7.5" />
+      </svg>
+    ),
+  },
+  {
+    title: "AI Personalities",
+    description:
+      "Customize how the AI assistant communicates \u2014 tone, formality, and response style.",
+    href: "/settings/personalities",
+    accent: "var(--ms-purple-400)",
+    iconBg: "rgba(139, 92, 246, 0.12)",
+    icon: (
+      <svg
+        width="20"
+        height="20"
+        viewBox="0 0 20 20"
+        fill="none"
+        stroke="currentColor"
+        strokeWidth="1.5"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        aria-hidden="true"
+      >
+        <circle cx="10" cy="6" r="3" />
+        <path d="M4 17c0-3.3 2.7-6 6-6s6 2.7 6 6" />
+        <path d="M14 10l1.5 1.5 3-3" stroke="currentColor" />
+      </svg>
+    ),
+  },
+  {
+    title: "Workspaces",
+    description:
+      "Create and manage workspaces to organize projects and collaborate with your team.",
+    href: "/settings/workspaces",
+    accent: "var(--ms-amber-400)",
+    iconBg: "rgba(245, 158, 11, 0.12)",
+    icon: (
+      <svg
+        width="20"
+        height="20"
+        viewBox="0 0 20 20"
+        fill="none"
+        stroke="currentColor"
+        strokeWidth="1.5"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        aria-hidden="true"
+      >
+        <circle cx="10" cy="10" r="2" />
+        <circle cx="4" cy="5" r="1.5" />
+        <circle cx="16" cy="5" r="1.5" />
+        <circle cx="16" cy="15" r="1.5" />
+        <line x1="8.3" y1="8.7" x2="5.3" y2="6.2" />
+        <line x1="11.7" y1="8.7" x2="14.7" y2="6.2" />
+        <line x1="11.7" y1="11.3" x2="14.7" y2="13.8" />
+      </svg>
+    ),
+  },
+];
+
+export default function SettingsPage(): ReactElement {
+  return (
+    <div className="max-w-6xl mx-auto p-6">
+      {/* Page header */}
+      <div style={{ marginBottom: 24 }}>
+        <h1
+          style={{
+            fontSize: "1.875rem",
+            fontWeight: 700,
+            color: "var(--text)",
+            margin: 0,
+          }}
+        >
+          Settings
+        </h1>
+        <p
+          style={{
+            fontSize: "0.9rem",
+            color: "var(--muted)",
+            margin: "8px 0 0 0",
+          }}
+        >
+          Configure your workspace, credentials, and preferences
+        </p>
+      </div>
+
+      {/* Category grid */}
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+        {categories.map((category) => (
+          <SettingsCategoryCard key={category.href} category={category} />
+        ))}
+      </div>
+    </div>
+  );
+}