curl --request POST \
  --url https://api.mixpeek.com/v1/retrievers/list \
  --header 'Content-Type: application/json' \
  --data '{
  "filters": {
    "retriever_name": {
      "$regex": "product_"
    }
  },
  "limit": 10,
  "offset": 0,
  "sorts": [
    {
      "direction": "desc",
      "field": "created_at"
    }
  ]
}'

{
  "pagination": {
    "has_more": false,
    "limit": 10,
    "skip": 0
  },
  "results": [
    {
      "collection_ids": [
        "col_products_v1"
      ],
      "metadata": {},
      "retriever_id": "ret_abc123",
      "retriever_name": "product_search_v1",
      "stages": []
    }
  ],
  "total_count": 1
}