diff --git a/public/.well-known/nostr.json b/public/.well-known/nostr.json
new file mode 100644
index 0000000..9067601
--- /dev/null
+++ b/public/.well-known/nostr.json
@@ -0,0 +1,6 @@
+{
+  "names": {
+    "_": "c8fb0d3aa788b9ace4f6cb92dd97d3f292db25b5c9f92462ef6c64926129fbaf",
+    "verbiricha": "7fa56f5d6962ab1e3cd424e758c3002b8665f7b0d8dcee9fe9e288d7751ac194"
+  }
+}
diff --git a/src/components/nostr/UserName.tsx b/src/components/nostr/UserName.tsx
index 551e86c..270055a 100644
--- a/src/components/nostr/UserName.tsx
+++ b/src/components/nostr/UserName.tsx
@@ -2,6 +2,7 @@ import { useProfile } from "@/hooks/useProfile";
 import { getDisplayName } from "@/lib/nostr-utils";
 import { cn } from "@/lib/utils";
 import { useGrimoire } from "@/core/state";
+import { isGrimoireMember } from "@/lib/grimoire-members";
 
 interface UserNameProps {
   pubkey: string;
@@ -14,10 +15,12 @@ interface UserNameProps {
  * Shows placeholder derived from pubkey while loading or if no profile exists
  * Clicking opens the user's profile
  * Uses highlight color for the logged-in user (themeable amber)
+ * Shows Grimoire members with yellow-orange gradient styling
  */
 export function UserName({ pubkey, isMention, className }: UserNameProps) {
   const { addWindow, state } = useGrimoire();
   const profile = useProfile(pubkey);
+  const isGrimoire = isGrimoireMember(pubkey);
   const displayName = getDisplayName(pubkey, profile);
 
   // Check if this is the logged-in user
@@ -33,7 +36,11 @@ export function UserName({ pubkey, isMention, className }: UserNameProps) {
       dir="auto"
       className={cn(
         "font-semibold cursor-crosshair hover:underline hover:decoration-dotted",
-        isActiveAccount ? "text-highlight" : "text-accent",
+        isGrimoire
+          ? "bg-gradient-to-br from-yellow-500 via-orange-500 to-orange-600 bg-clip-text text-transparent"
+          : isActiveAccount
+            ? "text-highlight"
+            : "text-accent",
         className,
       )}
       onClick={handleClick}
diff --git a/src/lib/grimoire-members.ts b/src/lib/grimoire-members.ts
new file mode 100644
index 0000000..41e7c34
--- /dev/null
+++ b/src/lib/grimoire-members.ts
@@ -0,0 +1,96 @@
+/**
+ * Grimoire Member System
+ *
+ * Defines special usernames for Grimoire project members with custom NIP-05 style identifiers.
+ * Members get special gradient styling to distinguish them visually.
+ */
+
+/**
+ * Grimoire member definition
+ */
+export interface GrimoireMember {
+  /** Username for display (e.g., "_", "verbiricha") */
+  username: string;
+  /** Hex pubkey */
+  pubkey: string;
+  /** NIP-05 style identifier (e.g., "_@grimoire.rocks") */
+  nip05: string;
+}
+
+/**
+ * Official Grimoire project members
+ * These users get special gradient styling applied to their usernames
+ */
+export const GRIMOIRE_MEMBERS: readonly GrimoireMember[] = [
+  {
+    username: "_",
+    pubkey: "c8fb0d3aa788b9ace4f6cb92dd97d3f292db25b5c9f92462ef6c64926129fbaf",
+    nip05: "_@grimoire.rocks",
+  },
+  {
+    username: "verbiricha",
+    pubkey: "7fa56f5d6962ab1e3cd424e758c3002b8665f7b0d8dcee9fe9e288d7751ac194",
+    nip05: "verbiricha@grimoire.rocks",
+  },
+] as const;
+
+/**
+ * Map of pubkey -> member for O(1) lookups
+ */
+const membersByPubkey = new Map<string, GrimoireMember>(
+  GRIMOIRE_MEMBERS.map((member) => [member.pubkey, member]),
+);
+
+/**
+ * Map of NIP-05 identifier -> member for O(1) lookups
+ */
+const membersByNip05 = new Map<string, GrimoireMember>(
+  GRIMOIRE_MEMBERS.map((member) => [member.nip05, member]),
+);
+
+/**
+ * Check if a pubkey belongs to a Grimoire member
+ * @param pubkey - Hex public key
+ * @returns true if user is a Grimoire member
+ */
+export function isGrimoireMember(pubkey: string): boolean {
+  return membersByPubkey.has(pubkey.toLowerCase());
+}
+
+/**
+ * Get Grimoire member info by pubkey
+ * @param pubkey - Hex public key
+ * @returns Member info or undefined
+ */
+export function getGrimoireMember(pubkey: string): GrimoireMember | undefined {
+  return membersByPubkey.get(pubkey.toLowerCase());
+}
+
+/**
+ * Get Grimoire member info by NIP-05 identifier
+ * @param nip05 - NIP-05 identifier (e.g., "_@grimoire.rocks")
+ * @returns Member info or undefined
+ */
+export function getGrimoireMemberByNip05(
+  nip05: string,
+): GrimoireMember | undefined {
+  return membersByNip05.get(nip05.toLowerCase());
+}
+
+/**
+ * Get Grimoire username for a pubkey
+ * @param pubkey - Hex public key
+ * @returns Username or undefined if not a member
+ */
+export function getGrimoireUsername(pubkey: string): string | undefined {
+  return membersByPubkey.get(pubkey.toLowerCase())?.username;
+}
+
+/**
+ * Get Grimoire NIP-05 identifier for a pubkey
+ * @param pubkey - Hex public key
+ * @returns NIP-05 identifier or undefined if not a member
+ */
+export function getGrimoireNip05(pubkey: string): string | undefined {
+  return membersByPubkey.get(pubkey.toLowerCase())?.nip05;
+}
diff --git a/tsconfig.node.tsbuildinfo b/tsconfig.node.tsbuildinfo
index 75ea001..5e39d3d 100644
--- a/tsconfig.node.tsbuildinfo
+++ b/tsconfig.node.tsbuildinfo
@@ -1 +1 @@
-{"root":["./vite.config.ts"],"version":"5.6.3"}
\ No newline at end of file
+{"root":["./vite.config.ts"],"errors":true,"version":"5.9.3"}
\ No newline at end of file
diff --git a/vercel.json b/vercel.json
index 3a48e56..843a1da 100644
--- a/vercel.json
+++ b/vercel.json
@@ -1,3 +1,31 @@
 {
-  "rewrites": [{ "source": "/(.*)", "destination": "/" }]
+  "headers": [
+    {
+      "source": "/.well-known/nostr.json",
+      "headers": [
+        {
+          "key": "Content-Type",
+          "value": "application/json"
+        },
+        {
+          "key": "Access-Control-Allow-Origin",
+          "value": "*"
+        },
+        {
+          "key": "Access-Control-Allow-Methods",
+          "value": "GET, OPTIONS"
+        },
+        {
+          "key": "Cache-Control",
+          "value": "public, max-age=3600"
+        }
+      ]
+    }
+  ],
+  "rewrites": [
+    {
+      "source": "/((?!.well-known).*)",
+      "destination": "/"
+    }
+  ]
 }