diff --git a/apps/api/src/custom-avatar-items-db.ts b/apps/api/src/custom-avatar-items-db.ts
index d025123..dc6d914 100644
--- a/apps/api/src/custom-avatar-items-db.ts
+++ b/apps/api/src/custom-avatar-items-db.ts
@@ -413,6 +413,13 @@ export interface CustomAvatarItemSearch {
 	 * between them, never as a superset.
 	 */
 	includeCoachItems?: boolean
+	/**
+	 * Only items this account authored — how the client lists what one player has made (a
+	 * profile's creations, `creatorAccountId=<id>&includeCoachItems=False&take=1000`). Combines
+	 * with the rest as one more AND; naming the Coach here with `includeCoachItems=false`
+	 * matches nothing, as the two conditions read.
+	 */
+	creatorAccountId?: number
 	/** Lowest price to include, inclusive. */
 	minPrice?: number
 	/** Highest price to include, inclusive. */
@@ -447,6 +454,9 @@ export const SEARCH_MAX_TAKE = 200
  * `True` and its user-generated-content tab sends `False`, and the two must not overlap — read
  * as "stock plus players'", the storefront would show every player's item too.
  *
+ * `creatorAccountId` narrows to one author. It was ignored until it was noticed that a player's
+ * creations list (which sends it) was serving the whole player-made catalog under every name.
+ *
  * Ordered by recency because there is nothing else to order by — no purchase counts, no wear
  * counts, no ratings are recorded — which is the same stand-in the `hot` feed makes. The
  * `custom_avatar_item_id` tiebreak is what makes paging stable: without it, two items sharing a
@@ -489,6 +499,9 @@ export async function searchCustomAvatarItems(
 	} else if (search.includeCoachItems === false) {
 		where.push(`creator_account_id != ${bind(COACH_ACCOUNT_ID)}`)
 	}
+	if (search.creatorAccountId !== undefined) {
+		where.push(`creator_account_id = ${bind(search.creatorAccountId)}`)
+	}
 	if (search.minPrice !== undefined) where.push(`price >= ${bind(search.minPrice)}`)
 	if (search.maxPrice !== undefined) where.push(`price <= ${bind(search.maxPrice)}`)
 
diff --git a/apps/api/src/routes/avatar.ts b/apps/api/src/routes/avatar.ts
index 2fcaaa6..a5e438f 100644
--- a/apps/api/src/routes/avatar.ts
+++ b/apps/api/src/routes/avatar.ts
@@ -710,6 +710,8 @@ export const avatarRoutes = new Hono<App>({ strict: false })
 				'stock content (account 1), `false` only player-made items, and leaving it out serves',
 				'both. The client’s storefront tab sends `True` and its user-generated-content tab',
 				'`False`, so the two never overlap.',
+				'`creatorAccountId` narrows to one author’s items — what a player’s creations list',
+				'sends (`creatorAccountId=<id>&includeCoachItems=False`); still published items only.',
 				'`outfitTypes` values are `RecRoom.Avatars.OutfitType` ordinals; the user-generated-',
 				'content tab sends 105 (`CustomShirt`) alone, the storefront tab a dozen slots.',
 				'`itemTypes` (a separate enum: All -1, None 0, Shirt 1 — not the outfit type),',
@@ -773,6 +775,13 @@ export const avatarRoutes = new Hono<App>({ strict: false })
 						'true: only the Coach’s stock items; false: only player-made items; absent: both',
 					schema: { type: 'boolean' },
 				},
+				{
+					name: 'creatorAccountId',
+					in: 'query',
+					required: false,
+					description: 'Only items this account made',
+					schema: { type: 'integer' },
+				},
 				{
 					name: 'unityAssetTarget',
 					in: 'query',
@@ -811,6 +820,7 @@ export const avatarRoutes = new Hono<App>({ strict: false })
 				searchQuery: c.req.query('searchQuery'),
 				outfitTypes,
 				includeCoachItems,
+				creatorAccountId: int('creatorAccountId'),
 				minPrice: int('minPrice'),
 				maxPrice: int('maxPrice'),
 				skip: int('skip'),
diff --git a/apps/api/src/test/integration/api.test.ts b/apps/api/src/test/integration/api.test.ts
index ad82682..a1e198e 100644
--- a/apps/api/src/test/integration/api.test.ts
+++ b/apps/api/src/test/integration/api.test.ts
@@ -1238,6 +1238,41 @@ describe('public endpoints', () => {
 			all.map((i) => i.Name)
 		)
 
+		// `creatorAccountId` is one author's published items — a player's creations list. It
+		// was once ignored, and every player's shelf showed the whole player-made catalog.
+		const spec2: Array<[name: string, creator: number]> = [['Hat C', 206]]
+		for (const [name, creator] of spec2) {
+			await createCustomAvatarItem(
+				env.DB,
+				{
+					customAvatarItemId: crypto.randomUUID(),
+					creatorAccountId: creator,
+					name,
+					description: '',
+					price: 0,
+					baseAvatarItemId: 1,
+					baseAvatarItemColor: '#fff',
+					accessibility: 1,
+					designFilename: 'design_x.bin',
+					thumbnailImageFilename: 'thumb_x.png',
+				},
+				new Date(Date.UTC(2026, 7, 20))
+			)
+		}
+		expect((await search('?creatorAccountId=206')).map((i) => i.Name)).toEqual(['Hat C'])
+		// The query the client sends for a player's creations: theirs alone, `Hidden` still out.
+		expect(
+			(
+				await search(
+					'?creatorAccountId=205&includePurchaseInfos=True&includeCoachItems=False&skip=0' +
+						'&take=1000&unityAssetTarget=0&unityAssetVersion=3'
+				)
+			).map((i) => i.Name)
+		).toEqual(['Trousers A', 'Shirt B', 'Shirt A', 'Hat A'])
+		expect(await search('?creatorAccountId=1&includeCoachItems=False')).toEqual([])
+		expect(await search('?creatorAccountId=424242')).toEqual([])
+		await env.DB.prepare('DELETE FROM custom_avatar_item WHERE creator_account_id = 206').run()
+
 		// The whole storefront query the client actually sends, unchanged — the parameters that
 		// aren't acted on yet must be accepted rather than 400 or throw, and `includeCoachItems=True`
 		// narrows it to the stock content.