# fbaInbound_setPrepDetails (https://sellersheetai.com/docs/mcp-api/tools/fbaInbound_setPrepDetails)

> Set preparation details (category + types) for MSKUs (write, async).

Access: **DESTRUCTIVE** · toolset amazon_sp · family sp.fulfillmentInbound_2024-03-20

Amazon SP-API · setPrepDetails · POST /inbound/fba/2024-03-20/items/prepDetails Gate: approve — interactive: show the change (Amazon's preview first where one exists), wait for an explicit approve; autopilot: only when the seller's own words asked for this change; otherwise ask.

## Call it

MCP tool call:

```json
{
  "name": "fbaInbound_setPrepDetails",
  "arguments": {
    "store": "myStore-US",
    "msku_prep_details": []
  }
}
```

Tool API (early access — contact us):

```bash
curl -X POST https://api.sellersheetai.com/api/v1/tools/fbaInbound_setPrepDetails \
  -H "Authorization: Bearer $SELLERSHEET_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"store":"myStore-US","msku_prep_details":[]}'
```

## Arguments

| Name | Type | Required | Description |
|---|---|---|---|
| `store` | string | yes | the store ref `<store>-<CC>` (name-country, e.g. 'myStore-US') — one of get_user_context's store_refs, verbatim. |
| `msku_prep_details` | object[] | yes | 1–100 entries of {msku, prepCategory, prepTypes: [...]}, all three required — the prep each MSKU needs (values in the Body block below; ITEM_SIOC = ships in its own container). |

## Result

- `data.operationId` — poll with fbaInbound_getInboundOperationStatus until SUCCESS.

## Body (Amazon schema)

- marketplaceId*: string (max 20 chars) mskuPrepDetails*: [{msku* (max 255 chars), prepCategory*, prepTypes*}] (1–100) mskuPrepDetails.prepCategory: ADULT | BABY | FC_PROVIDED | FRAGILE | GRANULAR | HANGER | LIQUID | PERFORATED | SET | SHARP | SMALL | TEXTILE | UNKNOWN | NONE mskuPrepDetails.prepTypes: [ITEM_BLACK_SHRINKWRAP | ITEM_BLANKSTK | ITEM_BOXING | ITEM_BUBBLEWRAP | ITEM_CAP_SEALING | ITEM_DEBUNDLE | ITEM_HANG_GARMENT | ITEM_LABELING | ITEM_NO_PREP | ITEM_POLYBAGGING | ITEM_RMOVHANG | ITEM_SETCREAT | ITEM_SETSTK | ITEM_SIOC | ITEM_SUFFOSTK | ITEM_TAPING]