diff --git a/lib/artist/updateArtistSocials.ts b/lib/artist/updateArtistSocials.ts
index 12fc25c7..fc0d63e1 100644
--- a/lib/artist/updateArtistSocials.ts
+++ b/lib/artist/updateArtistSocials.ts
@@ -1,5 +1,6 @@
 import { getSocialPlatformByLink } from "@/lib/artists/getSocialPlatformByLink";
 import { getUsernameFromProfileUrl } from "@/lib/socials/getUsernameFromProfileUrl";
+import { normalizeProfileUrl } from "@/lib/socials/normalizeProfileUrl";
 import { selectAccountSocials } from "@/lib/supabase/account_socials/selectAccountSocials";
 import { deleteAccountSocial } from "@/lib/supabase/account_socials/deleteAccountSocial";
 import { insertAccountSocial } from "@/lib/supabase/account_socials/insertAccountSocial";
@@ -23,8 +24,13 @@ export async function updateArtistSocials(
 
   // Process each platform type
   const profilePromises = Object.entries(profileUrls).map(async ([type, value]) => {
-    const socials = value ? await selectSocials({ profile_url: value }) : null;
+    const normalizedUrl = normalizeProfileUrl(value);
+
+    const socials = normalizedUrl
+      ? await selectSocials({ profile_url: normalizedUrl })
+      : null;
     const social = socials && socials.length > 0 ? socials[0] : null;
+
     const existingSocial = (accountSocials || []).find(
       (account_social: AccountSocialWithSocial) =>
         getSocialPlatformByLink(account_social.social?.profile_url || "") === type,
@@ -36,7 +42,7 @@ export async function updateArtistSocials(
     }
 
     // Insert new social if URL provided
-    if (value) {
+    if (normalizedUrl) {
       if (social) {
         // Social already exists, check if account_social relationship exists
         const existing = (accountSocials || []).find(
@@ -47,10 +53,11 @@ export async function updateArtistSocials(
         }
       } else {
         // Create new social record
+        const username = getUsernameFromProfileUrl(value);
         const newSocials = await insertSocials([
           {
-            username: getUsernameFromProfileUrl(value),
-            profile_url: value,
+            username,
+            profile_url: normalizedUrl,
           },
         ]);
         if (newSocials.length > 0) {
diff --git a/lib/chat/toolChains/createNewArtistToolChain.ts b/lib/chat/toolChains/createNewArtistToolChain.ts
index 3247a84b..17892afa 100644
--- a/lib/chat/toolChains/createNewArtistToolChain.ts
+++ b/lib/chat/toolChains/createNewArtistToolChain.ts
@@ -8,7 +8,11 @@ export const createNewArtistToolChain: ToolChainItem[] = [
     system:
       "From the get_spotify_search results, select the artist whose name best matches the user-provided artist name (prefer exact, case-insensitive match; otherwise choose the closest by name and popularity). Update the account using the update_account_info tool with the artist's basic information: name, image, label, etc.",
   },
-  { toolName: "update_artist_socials" },
+  {
+    toolName: "update_artist_socials",
+    system:
+      "Using the matched Spotify artist from the get_spotify_search results, update the artist's socials with the Spotify profile URL (found in external_urls.spotify). Pass the URL in the urls array to update_artist_socials.",
+  },
   { toolName: "artist_deep_research" },
   { toolName: "spotify_deep_research" },
   { toolName: "get_artist_socials" },
diff --git a/lib/socials/__tests__/normalizeProfileUrl.test.ts b/lib/socials/__tests__/normalizeProfileUrl.test.ts
new file mode 100644
index 00000000..bf198ea6
--- /dev/null
+++ b/lib/socials/__tests__/normalizeProfileUrl.test.ts
@@ -0,0 +1,35 @@
+import { describe, it, expect } from "vitest";
+import { normalizeProfileUrl } from "../normalizeProfileUrl";
+
+describe("normalizeProfileUrl", () => {
+  it("removes https:// protocol from URL", () => {
+    expect(normalizeProfileUrl("https://open.spotify.com/artist/123")).toBe(
+      "open.spotify.com/artist/123",
+    );
+  });
+
+  it("removes http:// protocol from URL", () => {
+    expect(normalizeProfileUrl("http://twitter.com/user")).toBe("twitter.com/user");
+  });
+
+  it("returns URL unchanged if no protocol", () => {
+    expect(normalizeProfileUrl("open.spotify.com/artist/123")).toBe(
+      "open.spotify.com/artist/123",
+    );
+  });
+
+  it("handles empty string", () => {
+    expect(normalizeProfileUrl("")).toBe("");
+  });
+
+  it("handles null/undefined", () => {
+    expect(normalizeProfileUrl(null as unknown as string)).toBe("");
+    expect(normalizeProfileUrl(undefined as unknown as string)).toBe("");
+  });
+
+  it("removes trailing slash", () => {
+    expect(normalizeProfileUrl("https://instagram.com/user/")).toBe(
+      "instagram.com/user",
+    );
+  });
+});
diff --git a/lib/socials/normalizeProfileUrl.ts b/lib/socials/normalizeProfileUrl.ts
new file mode 100644
index 00000000..92f348be
--- /dev/null
+++ b/lib/socials/normalizeProfileUrl.ts
@@ -0,0 +1,14 @@
+/**
+ * Normalizes a profile URL by removing the protocol and trailing slash.
+ * This ensures consistent URL format for database queries and storage.
+ *
+ * @param url - The profile URL to normalize
+ * @returns The normalized URL without protocol or trailing slash
+ */
+export function normalizeProfileUrl(url: string | null | undefined): string {
+  if (!url) return "";
+
+  return url
+    .replace(/^https?:\/\//, "")
+    .replace(/\/$/, "");
+}