{
  "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": 57
    },
    "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=57&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=57&setCountry=0&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=57&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\/optima-no-6-clear-nylon-special-silver-classical-guitar-set-57.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\/optima-no-6-clear-nylon-special-silver-classical-guitar-set-57.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-no-6-clear-nylon-special-silver-classical-guitar-set-57.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=57&setCountry=0&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=57&setCountry=0&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-no-6-clear-nylon-special-silver-classical-guitar-set-57.html"
      },

      "id_product": 57,
      "name": "Optima No. 6 Clear Nylon\/Special Silver Classical Guitar Set",
      "description": "A clear nylon set for classical guitar with Special Silver wound basses and a choice of tensions.",
      "full_description": "Built for players who want a clean response and a straightforward feel under the fingers. The trebles are made from clear nylon, while the basses are wound with Special Silver.   For classical guitar, clear in tone and honest in playability.",
      "additional_text": "Available in medium or high tension.",

      "sku": "862\/NO6.SNMT",
      "mpn": "862\/NO6.SNMT",
      "ean13": "",
      "upc": "",

      "brand": {
        "@type": "Brand",
        "name": "OPTIMA Musiksaiten GmbH",
        "url": "https:\/\/musiccraft-instruments.com\/en\/optima-musiksaiten-gmbh_10"      },

      "manufacturer": {
        "@type": "Organization",
        "id_manufacturer": 10,
        "name": "OPTIMA Musiksaiten GmbH",
        "url": "https:\/\/musiccraft-instruments.com\/en\/optima-musiksaiten-gmbh_10"      },

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

      "main_category": {
        "id_category": 45,
        "name": "Saiten",
        "link_rewrite": "saiten",
        "urls": {
          "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=45&setCountry=0&setCurrency=1",
          "human": "https:\/\/musiccraft-instruments.com\/en\/saiten-45"
        }
      },

      "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": 151,
            "name": "Product declaration",
            "value": "Consumables"
          },                    {
            "id_feature": 1,
            "id_feature_value": 1,
            "name": "Product declaration",
            "value": "Utensils"
          },                    {
            "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": 194,
            "name": "Instrument",
            "value": "concert guitar"
          },                    {
            "id_feature": 9,
            "id_feature_value": 44,
            "name": "Instrument",
            "value": "Guitar"
          },                    {
            "id_feature": 18,
            "id_feature_value": 320,
            "name": "Core material",
            "value": "Clear Nylon"
          },                    {
            "id_feature": 19,
            "id_feature_value": 160,
            "name": "Wrapping \/ Material",
            "value": "Silver"
          },                    {
            "id_feature": 23,
            "id_feature_value": 181,
            "name": "String",
            "value": "D4"
          },                    {
            "id_feature": 23,
            "id_feature_value": 183,
            "name": "String",
            "value": "E6"
          },                    {
            "id_feature": 23,
            "id_feature_value": 178,
            "name": "String",
            "value": "E1"
          },                    {
            "id_feature": 23,
            "id_feature_value": 180,
            "name": "String",
            "value": "G3"
          },                    {
            "id_feature": 23,
            "id_feature_value": 182,
            "name": "String",
            "value": "A5"
          },                    {
            "id_feature": 23,
            "id_feature_value": 179,
            "name": "String",
            "value": "B2 (H)"
          }                        ],

      "agent_faqs": [
              ],

      "images": [
                            {
            "id_image": 2049,
            "cover": true,
            "position": 1,
            "legend": "Optima No. 6 Clear Nylon\/Special Silver Classical Guitar Set",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/2049-large_default\/optima-no-6-clear-nylon-special-silver-classical-guitar-set.webp"
          },                    {
            "id_image": 2048,
            "cover": false,
            "position": 2,
            "legend": "Optima No. 6 Clear Nylon\/Special Silver Classical Guitar Set",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/2048-large_default\/optima-no-6-clear-nylon-special-silver-classical-guitar-set.webp"
          },                    {
            "id_image": 2047,
            "cover": false,
            "position": 3,
            "legend": "Optima No. 6 Clear Nylon\/Special Silver Classical Guitar Set",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/2047-large_default\/optima-no-6-clear-nylon-special-silver-classical-guitar-set.webp"
          },                    {
            "id_image": 2046,
            "cover": false,
            "position": 4,
            "legend": "Optima No. 6 Clear Nylon\/Special Silver Classical Guitar Set",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2046-large_default\/optima-no-6-clear-nylon-special-silver-classical-guitar-set.webp"
          }                        ],

            "shipping_weight": {
        "@type": "QuantitativeValue",
        "value": 0.02,
        "unitCode": "KGM",
        "note": "Shipping weight, not product content."
      },
      
      
      "variant_model": {
        "has_variants": true,
        "variant_count": 2,
        "default_id_product_attribute": 32
      },

      "offers": {
        "@type": "Offer",
        "offer_scope": "default_variant",
        "id_product": 57,
        "id_product_attribute": 32,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-no-6-clear-nylon-special-silver-classical-guitar-set-57.html",
        "price": 24.90,
        "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": 24.90,
          "priceCurrency": "EUR",
          "valueAddedTaxIncluded": true        }
              },

      "variant_offers": [
                            {
            "@type": "Offer",
            "id_product": 57,
            "id_product_attribute": 32,
            "is_default": true,
            "sku": "862\/NO6.SNMT",
            "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-no-6-clear-nylon-special-silver-classical-guitar-set-57.html",
            "image": "https:\/\/cdn1.musiccraft-instruments.com\/2049-large_default\/optima-no-6-clear-nylon-special-silver-classical-guitar-set.webp",

                                                                                                                                                                                                                                                "attributes": [
                                              {
                  "group_id": 5,
                  "group_name": "String gauge",
                  "value": "Medium"
                }                                          ],
            "attribute_summary": "String gauge: Medium",

            "price": {
              "delivery_country": false,
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 20.92,
              "tax_included": 24.90,
              "without_reduction_tax_excluded": 20.92,
              "without_reduction_tax_included": 24.90,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 110,
            "minimal_quantity": 1,
            "action": {
              "type": "add_to_cart",
              "method": "GET",
              "enabled": true,
              "quantity": 1,
              "url": "https:\/\/musiccraft-instruments.com\/en\/shopping-cart?add=1&id_product=57&id_product_attribute=32&qty=1&setCountry=0&setCurrency=1"
            }
          },                    {
            "@type": "Offer",
            "id_product": 57,
            "id_product_attribute": 33,
            "is_default": false,
            "sku": "862\/NO6.SNHT",
            "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-no-6-clear-nylon-special-silver-classical-guitar-set-57.html",
            "image": "https:\/\/cdn1.musiccraft-instruments.com\/2047-large_default\/optima-no-6-clear-nylon-special-silver-classical-guitar-set.webp",

                                                                                                                                                                                                                                                "attributes": [
                                              {
                  "group_id": 5,
                  "group_name": "String gauge",
                  "value": "High"
                }                                          ],
            "attribute_summary": "String gauge: High",

            "price": {
              "delivery_country": false,
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 20.92,
              "tax_included": 24.90,
              "without_reduction_tax_excluded": 20.92,
              "without_reduction_tax_included": 24.90,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 110,
            "minimal_quantity": 1,
            "action": {
              "type": "add_to_cart",
              "method": "GET",
              "enabled": true,
              "quantity": 1,
              "url": "https:\/\/musiccraft-instruments.com\/en\/shopping-cart?add=1&id_product=57&id_product_attribute=33&qty=1&setCountry=0&setCurrency=1"
            }
          }                        ],

      "pricing": {
        "scope": "default_variant",
        "default_id_product_attribute": 32,
        "delivery_country": false,
        "currency": "EUR",
        "currency_symbol": "\u20ac",
        "tax_rate": 19,
        "use_taxes": true,
        "show_taxes": true,
        "price_tax_included": 24.90,
        "price_tax_excluded": 20.92,
        "price_without_reduction": 20.92,
        "reduction_percent": 0,
        "reduction_price": 0      },

      "availability": {
        "status": "https://schema.org/InStock",
        "orderable": true,
        "available_for_order": true,
        "show_price": true,
        "quantity": 220,
        "minimal_quantity": 1,
        "variant_stock_available": true,
        "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."
      }
    }
  }
}