diff --git a/src/server/services/profile.service.ts b/src/server/services/profile.service.ts
new file mode 100644
index 0000000..779f40c
--- /dev/null
+++ b/src/server/services/profile.service.ts
@@ -0,0 +1,108 @@
+import { and, eq, sql } from "drizzle-orm";
+import { db as prodDb } from "../../db/index.ts";
+import {
+	categories,
+	items,
+	setupItems,
+	setups,
+	users,
+} from "../../db/schema.ts";
+import type { UpdateProfile } from "../../shared/types.ts";
+
+type Db = typeof prodDb;
+
+export async function updateProfile(
+	db: Db,
+	userId: number,
+	data: UpdateProfile,
+) {
+	const [existing] = await db
+		.select()
+		.from(users)
+		.where(eq(users.id, userId));
+	if (!existing) return null;
+
+	// If no fields to update, return existing user
+	const hasUpdates = Object.values(data).some((v) => v !== undefined);
+	if (!hasUpdates) return existing;
+
+	const [updated] = await db
+		.update(users)
+		.set(data)
+		.where(eq(users.id, userId))
+		.returning();
+
+	return updated;
+}
+
+export async function getPublicProfile(db: Db, userId: number) {
+	const [user] = await db
+		.select({
+			id: users.id,
+			displayName: users.displayName,
+			avatarUrl: users.avatarUrl,
+			bio: users.bio,
+		})
+		.from(users)
+		.where(eq(users.id, userId));
+
+	if (!user) return null;
+
+	const publicSetups = await db
+		.select({
+			id: setups.id,
+			name: setups.name,
+			createdAt: setups.createdAt,
+			itemCount: sql<number>`COALESCE((
+				SELECT COUNT(*) FROM setup_items
+				WHERE setup_items.setup_id = setups.id
+			), 0)`.as("item_count"),
+			totalWeight: sql<number>`COALESCE((
+				SELECT SUM(items.weight_grams * items.quantity) FROM setup_items
+				JOIN items ON items.id = setup_items.item_id
+				WHERE setup_items.setup_id = setups.id
+			), 0)`.as("total_weight"),
+			totalCost: sql<number>`COALESCE((
+				SELECT SUM(items.price_cents * items.quantity) FROM setup_items
+				JOIN items ON items.id = setup_items.item_id
+				WHERE setup_items.setup_id = setups.id
+			), 0)`.as("total_cost"),
+		})
+		.from(setups)
+		.where(and(eq(setups.userId, userId), eq(setups.isPublic, true)));
+
+	return { ...user, setups: publicSetups };
+}
+
+export async function getPublicSetupWithItems(db: Db, setupId: number) {
+	const [setup] = await db
+		.select()
+		.from(setups)
+		.where(and(eq(setups.id, setupId), eq(setups.isPublic, true)));
+
+	if (!setup) return null;
+
+	const itemList = await db
+		.select({
+			id: items.id,
+			name: items.name,
+			weightGrams: items.weightGrams,
+			priceCents: items.priceCents,
+			quantity: items.quantity,
+			categoryId: items.categoryId,
+			notes: items.notes,
+			productUrl: items.productUrl,
+			imageFilename: items.imageFilename,
+			createdAt: items.createdAt,
+			updatedAt: items.updatedAt,
+			categoryName: categories.name,
+			categoryIcon: categories.icon,
+			classification: setupItems.classification,
+		})
+		.from(setupItems)
+		.innerJoin(items, eq(setupItems.itemId, items.id))
+		.innerJoin(categories, eq(items.categoryId, categories.id))
+		.where(eq(setupItems.setupId, setupId));
+
+	return { ...setup, items: itemList };
+}
diff --git a/src/server/services/setup.service.ts b/src/server/services/setup.service.ts
index da0456f..08c61dd 100644
--- a/src/server/services/setup.service.ts
+++ b/src/server/services/setup.service.ts
@@ -12,7 +12,7 @@ export async function createSetup(
 ) {
 	const [row] = await db
 		.insert(setups)
-		.values({ name: data.name, userId })
+		.values({ name: data.name, userId, isPublic: data.isPublic ?? false })
 		.returning();
 
 	return row;
@@ -23,6 +23,7 @@ export async function getAllSetups(db: Db, userId: number) {
 		.select({
 			id: setups.id,
 			name: setups.name,
+			isPublic: setups.isPublic,
 			createdAt: setups.createdAt,
 			updatedAt: setups.updatedAt,
 			itemCount: sql<number>`COALESCE((
@@ -92,9 +93,17 @@ export async function updateSetup(
 		.where(and(eq(setups.id, setupId), eq(setups.userId, userId)));
 	if (!existing) return null;
 
+	const updateData: Record<string, unknown> = {
+		name: data.name,
+		updatedAt: new Date(),
+	};
+	if (data.isPublic !== undefined) {
+		updateData.isPublic = data.isPublic;
+	}
+
 	const [row] = await db
 		.update(setups)
-		.set({ name: data.name, updatedAt: new Date() })
+		.set(updateData)
 		.where(and(eq(setups.id, setupId), eq(setups.userId, userId)))
 		.returning();