diff --git a/src/libs/endorserServer.ts b/src/libs/endorserServer.ts
index e28b3ac9..735252f7 100644
--- a/src/libs/endorserServer.ts
+++ b/src/libs/endorserServer.ts
@@ -1348,12 +1348,12 @@ export async function createEndorserJwtVcFromClaim(
 }
 
 /**
- * Create a JWT for a RegisterAction claim.
+ * Create a JWT for a RegisterAction claim, used for registrations & invites.
  *
  * @param activeDid - The DID of the user creating the invite
- * @param contact - The contact to register, with a 'did' field (all optional for invites)
- * @param identifier - The identifier for the invite, usually random
- * @param expiresIn - The number of seconds until the invite expires
+ * @param contact - Optional - The contact to register, with a 'did' field (all optional for invites)
+ * @param identifier - Optional - The identifier for the invite, usually random
+ * @param expiresIn - Optional - The number of seconds until the invite expires
  * @returns The JWT for the RegisterAction claim
  */
 export async function createInviteJwt(
@@ -1367,7 +1367,7 @@ export async function createInviteJwt(
     "@type": "RegisterAction",
     agent: { identifier: activeDid },
     object: SERVICE_ID,
-    identifier: identifier,
+    identifier: identifier, // not sent if undefined
   };
   if (contact?.did) {
     vcClaim.participant = { identifier: contact.did };
diff --git a/src/router/index.ts b/src/router/index.ts
index 7d1e738c..043d3d0c 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -82,6 +82,15 @@ const routes: Array<RouteRecordRaw> = [
     name: "database-migration",
     component: () => import("../views/DatabaseMigration.vue"),
   },
+  {
+    path: "/deep-link-error",
+    name: "deep-link-error",
+    component: () => import("../views/DeepLinkErrorView.vue"),
+    meta: {
+      title: "Invalid Deep Link",
+      requiresAuth: false,
+    },
+  },
   {
     path: "/did/:did?",
     name: "did",
@@ -276,15 +285,6 @@ const routes: Array<RouteRecordRaw> = [
     name: "user-profile",
     component: () => import("../views/UserProfileView.vue"),
   },
-  {
-    path: "/deep-link-error",
-    name: "deep-link-error",
-    component: () => import("../views/DeepLinkErrorView.vue"),
-    meta: {
-      title: "Invalid Deep Link",
-      requiresAuth: false,
-    },
-  },
 ];
 
 const isElectron = window.location.protocol === "file:";
diff --git a/src/test/index.ts b/src/test/index.ts
index 28b0e349..8974713b 100644
--- a/src/test/index.ts
+++ b/src/test/index.ts
@@ -1,9 +1,29 @@
 import axios from "axios";
 import * as didJwt from "did-jwt";
 import { SERVICE_ID } from "../libs/endorserServer";
-import { deriveAddress, newIdentifier } from "../libs/crypto";
+import {
+  DEFAULT_ROOT_DERIVATION_PATH,
+  deriveAddress,
+  newIdentifier,
+} from "../libs/crypto";
 import { logger } from "../utils/logger";
 import { AppString } from "../constants/app";
+import { saveNewIdentity } from "@/libs/util";
+import { PlatformServiceFactory } from "@/services/PlatformServiceFactory";
+
+const TEST_USER_0_MNEMONIC =
+  "rigid shrug mobile smart veteran half all pond toilet brave review universe ship congress found yard skate elite apology jar uniform subway slender luggage";
+
+export async function testBecomeUser0() {
+  const [addr, privateHex, publicHex, deriPath] = deriveAddress(TEST_USER_0_MNEMONIC);
+
+  const identity0 = newIdentifier(addr, publicHex, privateHex, deriPath);
+  await saveNewIdentity(identity0, TEST_USER_0_MNEMONIC, DEFAULT_ROOT_DERIVATION_PATH);
+  const platformService = await PlatformServiceFactory.getInstance();
+  await platformService.updateDidSpecificSettings(identity0.did, {
+    isRegistered: true,
+  });
+}
 
 /**
  * Get User #0 to sign & submit a RegisterAction for the user's activeDid.
@@ -15,10 +35,7 @@ import { AppString } from "../constants/app";
  * @throws Error if registration fails or database access fails
  */
 export async function testServerRegisterUser() {
-  const testUser0Mnem =
-    "seminar accuse mystery assist delay law thing deal image undo guard initial shallow wrestle list fragile borrow velvet tomorrow awake explain test offer control";
-
-  const [addr, privateHex, publicHex, deriPath] = deriveAddress(testUser0Mnem);
+  const [addr, privateHex, publicHex, deriPath] = deriveAddress(TEST_USER_0_MNEMONIC);
 
   const identity0 = newIdentifier(addr, publicHex, privateHex, deriPath);
 
@@ -32,9 +49,9 @@ export async function testServerRegisterUser() {
   const vcClaim = {
     "@context": "https://schema.org",
     "@type": "RegisterAction",
-    agent: { did: identity0.did },
+    agent: { identifier: identity0.did },
     object: SERVICE_ID,
-    participant: { did: settings.activeDid },
+    participant: { identifier: settings.activeDid },
   };
 
   // Make a payload for the claim
@@ -71,4 +88,5 @@ export async function testServerRegisterUser() {
 
   const resp = await axios.post(url, payload, { headers });
   logger.log("User registration result:", resp);
+  return resp;
 }
diff --git a/src/views/TestView.vue b/src/views/TestView.vue
index a7592afa..df879ad2 100644
--- a/src/views/TestView.vue
+++ b/src/views/TestView.vue
@@ -21,7 +21,17 @@
       </h1>
     </div>
 
-    <div>
+    <div v-if="isNotProdServer">
+      <h2 class="text-xl font-bold mb-4">User Registration</h2>
+      <button :class="primaryButtonClasses" @click="registerMe()">
+        Register Yourself
+      </button>
+      <button :class="primaryButtonClasses" @click="becomeUser0()">
+        Become User 0 (who can register others)
+      </button>
+    </div>
+
+    <div class="mt-8">
       <h2 class="text-xl font-bold mb-4">Notiwind Alerts</h2>
 
       <!-- Notification test buttons using computed configuration -->
@@ -99,7 +109,7 @@
 
       <div>
         Register Passkey
-        <button :class="primaryButtonClasses" @click="register()">
+        <button :class="primaryButtonClasses" @click="registerPasskey()">
           Simplewebauthn
         </button>
       </div>
@@ -235,6 +245,7 @@ import {
   registerAndSavePasskey,
   SHARED_PHOTO_BASE64_KEY,
 } from "../libs/util";
+import { testBecomeUser0, testServerRegisterUser } from "@/test";
 import { logger } from "../utils/logger";
 import { Account } from "../db/tables/accounts";
 import { PlatformServiceMixin } from "@/utils/PlatformServiceMixin";
@@ -300,6 +311,7 @@ export default class Help extends Vue {
   // for passkeys
   credIdHex?: string;
   activeDid?: string;
+  apiServer?: string;
   jwt?: string;
   peerSetup?: PeerSetup;
   userName?: string;
@@ -521,17 +533,6 @@ export default class Help extends Vue {
     ];
   }
 
-  /**
-   * Method to trigger notification test
-   * Centralizes notification testing logic
-   */
-  triggerTestNotification(config: {
-    notification: NotificationIface;
-    timeout?: number;
-  }) {
-    this.$notify(config.notification, config.timeout);
-  }
-
   /**
    * Component initialization
    *
@@ -541,6 +542,7 @@ export default class Help extends Vue {
   async mounted() {
     const settings = await this.$accountSettings();
     this.activeDid = settings.activeDid || "";
+    this.apiServer = settings.apiServer || "";
     this.userName = settings.firstName;
 
     const account = await retrieveAccountMetadata(this.activeDid);
@@ -553,6 +555,43 @@ export default class Help extends Vue {
     }
   }
 
+  /**
+   * Checks if running on production server
+   *
+   * @returns True if not on production server (enables test utilities)
+   */
+  public isNotProdServer() {
+    return this.apiServer !== AppString.PROD_ENDORSER_API_SERVER;
+  }
+
+  async registerMe() {
+    const response = await testServerRegisterUser();
+    if (response.status === 201) {
+      alert("Registration successful.");
+      this.$router.push({ name: "home" }); // because this page checks for registered status and sets things if it detects a change
+    } else {
+      logger.error("Registration failure response:", response);
+      alert("Registration failed: " + (response.data.error || response.data));
+    }
+  }
+
+  async becomeUser0() {
+    await testBecomeUser0();
+    alert("You are now User 0.");
+    this.$router.push({ name: "home" }); // because this page checks for registered status and sets things if it detects a change
+  }
+
+  /**
+   * Method to trigger notification test
+   * Centralizes notification testing logic
+   */
+  triggerTestNotification(config: {
+    notification: NotificationIface;
+    timeout?: number;
+  }) {
+    this.$notify(config.notification, config.timeout);
+  }
+
   /**
    * Handles file upload for image sharing tests
    *
@@ -609,7 +648,7 @@ export default class Help extends Vue {
    * Includes validation and user confirmation workflow
    * Uses notification helpers for consistent messaging
    */
-  public async register() {
+  public async registerPasskey() {
     const DEFAULT_USERNAME = AppString.APP_NAME + " Tester";
     if (!this.userName) {
       const modalConfig = createPasskeyNameModal(