{
  "agent_meta": {
    "type": "agent_product",
    "schema": "mcc_agent",
    "schema_version": "1.1",
    "generated_at": "2026-11-07",
    "source_of_truth": "MCC Commerce Engine"
  },

  "request_context": {
    "language": {
      "id_lang": 2,
      "iso_code": "en",
      "url_prefix": "\/en\/"
    },
    "delivery_country": {
      "id_country": 0,
      "iso_code": false
    },
    "currency": {
      "id_currency": 1,
      "iso_code": "EUR",
      "name": "Euro",
      "symbol": "\u20ac"
    },
    "complete": true
  },

  "context_switching": {
    "available": true,
    "mode": "on_demand_resolver",
    "stateless": true,
    "resolver": "links.agent.contexts",
    "fetch_when": "requested_context_differs",
    "dimensions": [
      "language",
      "delivery_country",
      "currency"
    ],
    "unspecified_dimensions": "preserve_request_context",
    "selection": {
      "match": "exact",
      "source": "available_contexts",
      "result": "available_contexts[].target_url"
    },
    "target": {
      "resource": "product",
      "id_product": 232
    },
    "full_context_in_target_url": true,
    "requires_session_persistence": false,
    "manual_url_construction_allowed": false,
    "instruction": "When a requested language, delivery country or currency differs from request_context, fetch links.agent.contexts. Preserve dimensions not explicitly changed by the user, select the exact matching entry and follow target_url unchanged."
  },

  "platform": {
    "name": "MCC Agentic Commerce",
    "version": "1.0",
    "commerce_engine": "MCC Commerce Engine",
    "agent_interface": "MCC Agentic API"
  },

  "instructions": {
    "purpose": "This endpoint provides the complete machine-readable representation of one product in the active language, delivery-country and currency context.",
    "rules": [
      "All prices, taxes, availability and actions in data.product apply only to request_context.",
      "When variants exist, select the matching entry from data.product.variant_offers and use its exact price, availability and action URL.",
      "Do not infer a variant price from the product-level price or from another variant.",
      "Use the exact action.url supplied by the selected offer. Do not construct add-to-cart URLs manually.",
      "When language, delivery country or currency must change, fetch links.agent.contexts and follow the exact matching target_url unchanged.",
      "Prices, taxes, inventory and availability are calculated by the shop.",
      "Do not invent unavailable product, variant, price, stock, shipping or checkout information."
    ]
  },

  "capabilities": {
    "root": true,
    "sitemap": true,
    "search": true,
    "product": true,
    "contexts": true,
    "category": true,
    "cart": true,
    "cms_page": false,
    "checkout": false
  },

  "links": {
    "self": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=232&setCountry=0&setCurrency=1",
    "agent": {
      "root": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/root?setCountry=0&setCurrency=1",
      "sitemap": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/sitemap?setCountry=0&setCurrency=1",
      "search": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/search?setCountry=0&setCurrency=1",
      "cart": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/cart?setCountry=0&setCurrency=1",
      "product": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=232&setCountry=0&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=232&setCountry=0&setCurrency=1"
    },
    "human": {
      "home": "https:\/\/musiccraft-instruments.com\/",
      "sitemap": "https:\/\/musiccraft-instruments.com\/en\/sitemap",
      "search": "https:\/\/musiccraft-instruments.com\/en\/search",
      "product": "https:\/\/musiccraft-instruments.com\/en\/p\/bs-challenger-1-bb-trumpet-3137-l-232.html",
      "cart": "https:\/\/musiccraft-instruments.com\/en\/order",
      "contact": "https:\/\/musiccraft-instruments.com\/en\/contact-us"
    }
  },

  "commerce_model": {
    "pricing": "server_calculated",
    "tax": "server_calculated",
    "shipping": "server_calculated",
    "inventory": "live",
    "currencies": "context_based",
    "languages": "url_based"
  },

  "data": {
    "product": {
      "@context": "https://schema.org",
      "@type": "Product",
      "@id": "https:\/\/musiccraft-instruments.com\/en\/p\/bs-challenger-1-bb-trumpet-3137-l-232.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/bs-challenger-1-bb-trumpet-3137-l-232.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=232&setCountry=0&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=232&setCountry=0&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/bs-challenger-1-bb-trumpet-3137-l-232.html"
      },

      "id_product": 232,
      "name": "B&S Challenger I Bb Trumpet 3137-L with Case",
      "description": "Professional B&S Challenger Bb trumpet featuring a hand-hammered brass bell, gold brass leadpipe, Monel valves and premium German craftsmanship. Supplied with case and accessories.",
      "full_description": "The B&S Challenger I Bb trumpet is designed for musicians seeking outstanding response, balanced tone and dependable performance. Whether used in orchestras, wind bands, live performances or advanced music education, it offers the precision and build quality expected from B&S instruments.  The hand-hammered brass bell produces an open, resonant sound with excellent projection, while the gold brass leadpipe and tuning slide contribute warmth and tonal richness. Durable Monel valves ensure smooth, reliable action, complemented by nickel silver outer slides, a first-slide saddle and an adjustable third-slide stop for enhanced control. Water keys on the third valve slide and main tuning slide provide practical everyday functionality.  Delivered complete with an accessory bag and protective case, the Challenger I is an excellent choice for ambitious trumpet players looking for premium German engineering and lasting performance.",
      "additional_text": "B&S Challenger I Bb trumpet \n Model: 3137-L (3137-1-0) \n 3 Monel piston valves \n Bore: 11.66 mm (ML) \n Bell diameter: 122 mm \n Hand-hammered brass bell \n Gold brass leadpipe \n Gold brass tuning slide \n Nickel silver outer slides \n Cross guide construction \n First valve slide saddle \n Adjustable third valve slide stop \n Water keys on third valve slide and main tuning slide \n Clear lacquer finish \n Includes accessory bag and hard case \n Manufacturer: Buffet Deutschland GmbH (B&S)",

      "sku": "BS3137-1-0",
      "mpn": "BS3137-1-0",
      "ean13": "",
      "upc": "",

      "brand": {
        "@type": "Brand",
        "name": "Buffet Crampon",
        "url": "https:\/\/musiccraft-instruments.com\/en\/buffet-crampon_27"      },

      "manufacturer": {
        "@type": "Organization",
        "id_manufacturer": 27,
        "name": "Buffet Crampon",
        "url": "https:\/\/musiccraft-instruments.com\/en\/buffet-crampon_27"      },

      "supplier": {
        "@type": "Organization",
        "id_supplier": 1,
        "name": "Migma e.G."
      },

      "main_category": {
        "id_category": 11,
        "name": "Trumpets",
        "link_rewrite": "trumpets",
        "urls": {
          "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=11&setCountry=0&setCurrency=1",
          "human": "https:\/\/musiccraft-instruments.com\/en\/trumpets-11"
        }
      },

      "categories": [
                            {
            "id_category": 4,
            "name": "Instruments",
            "link_rewrite": "instruments",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=4&setCountry=0&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/en\/instruments-4"
            }
          },                    {
            "id_category": 6,
            "name": "Equipment & Essentials",
            "link_rewrite": "equipment-essentials",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=6&setCountry=0&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/en\/equipment-essentials-6"
            }
          },                    {
            "id_category": 7,
            "name": "Restoration",
            "link_rewrite": "restoration",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=7&setCountry=0&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/en\/restoration-7"
            }
          },                    {
            "id_category": 5,
            "name": "Highlight",
            "link_rewrite": "highlight",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=5&setCountry=0&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/en\/highlight-5"
            }
          }                        ],

      "features": [
                            {
            "id_feature": 1,
            "id_feature_value": 169,
            "name": "Product declaration",
            "value": "Set"
          },                    {
            "id_feature": 15,
            "id_feature_value": 130,
            "name": "Taxation",
            "value": "Standard Rate"
          },                    {
            "id_feature": 9,
            "id_feature_value": 383,
            "name": "Instrument",
            "value": "Trompete"
          },                    {
            "id_feature": 18,
            "id_feature_value": 380,
            "name": "Core material",
            "value": "Brass"
          },                    {
            "id_feature": 25,
            "id_feature_value": 382,
            "name": "Outer material",
            "value": "clear-coated"
          },                    {
            "id_feature": 19,
            "id_feature_value": 381,
            "name": "Wrapping \/ Material",
            "value": "Gold brass"
          }                        ],

      "agent_faqs": [
              ],

      "images": [
                            {
            "id_image": 2558,
            "cover": true,
            "position": 1,
            "legend": "B&S Challenger I Bb Trumpet 3137-L with Case",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2558-large_default\/bs-challenger-1-bb-trumpet-3137-l.webp"
          },                    {
            "id_image": 2559,
            "cover": false,
            "position": 2,
            "legend": "B&S Challenger I Bb Trumpet 3137-L with Case",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2559-large_default\/bs-challenger-1-bb-trumpet-3137-l.webp"
          }                        ],

            "shipping_weight": {
        "@type": "QuantitativeValue",
        "value": 2,
        "unitCode": "KGM",
        "note": "Shipping weight, not product content."
      },
      
      
      "variant_model": {
        "has_variants": false,
        "variant_count": 0,
        "default_id_product_attribute": 0
      },

      "offers": {
        "@type": "Offer",
        "offer_scope": "product",
        "id_product": 232,
        "id_product_attribute": 0,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/bs-challenger-1-bb-trumpet-3137-l-232.html",
        "price": 1795.00,
        "priceCurrency": "EUR",
        "availability": "https://schema.org/InStock",
        "itemCondition": "https://schema.org/NewCondition",
        "seller": {
          "@type": "Organization",
          "name": "musiccraft - instruments",
          "url": "https:\/\/musiccraft-instruments.com\/",
          "telephone": "+49 (0) 34 20 63 14 888"        },
        "priceSpecification": {
          "@type": "PriceSpecification",
          "price": 1795.00,
          "priceCurrency": "EUR",
          "valueAddedTaxIncluded": true        }
        ,

        
        "action": {
          "type": "add_to_cart",
          "method": "GET",
          "enabled": true,
          "quantity": 1,
          "url": "https:\/\/musiccraft-instruments.com\/en\/shopping-cart?add=1&id_product=232&qty=1&setCountry=0&setCurrency=1"
        }
              },

      "variant_offers": [
              ],

      "pricing": {
        "scope": "product",
        "default_id_product_attribute": 0,
        "delivery_country": false,
        "currency": "EUR",
        "currency_symbol": "\u20ac",
        "tax_rate": 19,
        "use_taxes": true,
        "show_taxes": true,
        "price_tax_included": 1795.00,
        "price_tax_excluded": 1508.40,
        "price_without_reduction": 1508.40,
        "reduction_percent": 0,
        "reduction_price": 0      },

      "availability": {
        "status": "https://schema.org/InStock",
        "orderable": true,
        "available_for_order": true,
        "show_price": true,
        "quantity": 100,
        "minimal_quantity": 1,
        "variant_stock_available": false,
        "allow_buy_when_out_of_stock": false,
        "stock_management": false,
        "is_virtual": false      }
    },

    "actions": {
      "add_to_cart": {
        "type": "cart_add",
        "method": "GET",
        "requires_context": true,
        "required_context_parameters": [
          "setCountry",
          "setCurrency"
        ],
        "instruction": "Use the exact action.url from data.product.offers for a simple product or from the selected data.product.variant_offers entry. Respect action.enabled and action.quantity."
      }
    }
  }
}