{
  "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": 474
    },
    "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=474&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=474&setCountry=0&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=474&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-lenzner-silver-western-guitar-string-set-474.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-lenzner-silver-western-guitar-string-set-474.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-lenzner-silver-western-guitar-string-set-474.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=474&setCountry=0&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=474&setCountry=0&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-lenzner-silver-western-guitar-string-set-474.html"
      },

      "id_product": 474,
      "name": "Optima Lenzner Silver Acoustic Western Guitar String Set",
      "description": "String set for acoustic western guitar made from hexagonal steel with silver-plated copper wound bass strings.",
      "full_description": "The Optima Lenzner Silver string set is made for acoustic western guitar. The strings are made from hexagonal steel, while the bass strings are wound with silver-plated copper wire.  The set comes without silk and is available in three different gauges, allowing you to choose the version that suits your instrument and playing preference.   String it. Tune it. Play it.",
      "additional_text": "String set for acoustic western guitar \n Strings made from hexagonal steel \n Bass strings wound with silver-plated copper wire \n Without silk \n Available in 3 gauges: Medium, Light and Super Light \n Manufacturer: Optima Musiksaiten GmbH",

      "sku": "862\/2000M",
      "mpn": "862\/2000M",
      "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": 47,
        "name": "Guitar Strings",
        "link_rewrite": "guitar-strings",
        "urls": {
          "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=47&setCountry=0&setCurrency=1",
          "human": "https:\/\/musiccraft-instruments.com\/en\/guitar-strings-47"
        }
      },

      "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": 3,
            "name": "Product declaration",
            "value": "Single item"
          },                    {
            "id_feature": 1,
            "id_feature_value": 169,
            "name": "Product declaration",
            "value": "Set"
          },                    {
            "id_feature": 1,
            "id_feature_value": 150,
            "name": "Product declaration",
            "value": "Spare parts"
          },                    {
            "id_feature": 15,
            "id_feature_value": 130,
            "name": "Taxation",
            "value": "Standard Rate"
          },                    {
            "id_feature": 9,
            "id_feature_value": 195,
            "name": "Instrument",
            "value": "acoustic guitar"
          },                    {
            "id_feature": 9,
            "id_feature_value": 441,
            "name": "Instrument",
            "value": "Steel-string guitar"
          },                    {
            "id_feature": 2,
            "id_feature_value": 502,
            "name": "Badges",
            "value": "Different variants"
          },                    {
            "id_feature": 18,
            "id_feature_value": 186,
            "name": "Core material",
            "value": "Hexagonal steel core"
          },                    {
            "id_feature": 19,
            "id_feature_value": 440,
            "name": "Wrapping \/ Material",
            "value": "silver-plated copper wire"
          }                        ],

      "agent_faqs": [
              ],

      "images": [
                            {
            "id_image": 2942,
            "cover": true,
            "position": 1,
            "legend": "Optima Lenzner Silver Acoustic Western Guitar String Set",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/2942-large_default\/optima-lenzner-silver-western-guitar-string-set.webp"
          },                    {
            "id_image": 2941,
            "cover": false,
            "position": 2,
            "legend": "Optima Lenzner Silver Acoustic Western Guitar String Set",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/2941-large_default\/optima-lenzner-silver-western-guitar-string-set.webp"
          },                    {
            "id_image": 2944,
            "cover": false,
            "position": 3,
            "legend": "Optima Lenzner Silver Acoustic Western Guitar String Set",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/2944-large_default\/optima-lenzner-silver-western-guitar-string-set.webp"
          },                    {
            "id_image": 2943,
            "cover": false,
            "position": 4,
            "legend": "Optima Lenzner Silver Acoustic Western Guitar String Set",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2943-large_default\/optima-lenzner-silver-western-guitar-string-set.webp"
          },                    {
            "id_image": 2946,
            "cover": false,
            "position": 5,
            "legend": "Optima Lenzner Silver Acoustic Western Guitar String Set",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/2946-large_default\/optima-lenzner-silver-western-guitar-string-set.webp"
          },                    {
            "id_image": 2945,
            "cover": false,
            "position": 6,
            "legend": "Optima Lenzner Silver Acoustic Western Guitar String Set",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/2945-large_default\/optima-lenzner-silver-western-guitar-string-set.webp"
          }                        ],

            "shipping_weight": {
        "@type": "QuantitativeValue",
        "value": 0.02,
        "unitCode": "KGM",
        "note": "Shipping weight, not product content."
      },
      
      
      "variant_model": {
        "has_variants": true,
        "variant_count": 3,
        "default_id_product_attribute": 756
      },

      "offers": {
        "@type": "Offer",
        "offer_scope": "default_variant",
        "id_product": 474,
        "id_product_attribute": 756,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-lenzner-silver-western-guitar-string-set-474.html",
        "price": 18.90,
        "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": 18.90,
          "priceCurrency": "EUR",
          "valueAddedTaxIncluded": true        }
              },

      "variant_offers": [
                            {
            "@type": "Offer",
            "id_product": 474,
            "id_product_attribute": 756,
            "is_default": true,
            "sku": "862\/2000L",
            "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-lenzner-silver-western-guitar-string-set-474.html",
            "image": "https:\/\/cdn2.musiccraft-instruments.com\/2942-large_default\/optima-lenzner-silver-western-guitar-string-set.webp",

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

            "price": {
              "delivery_country": false,
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 15.88,
              "tax_included": 18.90,
              "without_reduction_tax_excluded": 15.88,
              "without_reduction_tax_included": 18.90,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 100,
            "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=474&id_product_attribute=756&qty=1&setCountry=0&setCurrency=1"
            }
          },                    {
            "@type": "Offer",
            "id_product": 474,
            "id_product_attribute": 757,
            "is_default": false,
            "sku": "862\/2000SL",
            "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-lenzner-silver-western-guitar-string-set-474.html",
            "image": "https:\/\/cdn2.musiccraft-instruments.com\/2944-large_default\/optima-lenzner-silver-western-guitar-string-set.webp",

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

            "price": {
              "delivery_country": false,
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 15.88,
              "tax_included": 18.90,
              "without_reduction_tax_excluded": 15.88,
              "without_reduction_tax_included": 18.90,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 100,
            "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=474&id_product_attribute=757&qty=1&setCountry=0&setCurrency=1"
            }
          },                    {
            "@type": "Offer",
            "id_product": 474,
            "id_product_attribute": 758,
            "is_default": false,
            "sku": "862\/2000M",
            "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-lenzner-silver-western-guitar-string-set-474.html",
            "image": "https:\/\/cdn1.musiccraft-instruments.com\/2946-large_default\/optima-lenzner-silver-western-guitar-string-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": 15.88,
              "tax_included": 18.90,
              "without_reduction_tax_excluded": 15.88,
              "without_reduction_tax_included": 18.90,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 100,
            "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=474&id_product_attribute=758&qty=1&setCountry=0&setCurrency=1"
            }
          }                        ],

      "pricing": {
        "scope": "default_variant",
        "default_id_product_attribute": 756,
        "delivery_country": false,
        "currency": "EUR",
        "currency_symbol": "\u20ac",
        "tax_rate": 19,
        "use_taxes": true,
        "show_taxes": true,
        "price_tax_included": 18.90,
        "price_tax_excluded": 15.88,
        "price_without_reduction": 15.88,
        "reduction_percent": 0,
        "reduction_price": 0      },

      "availability": {
        "status": "https://schema.org/InStock",
        "orderable": true,
        "available_for_order": true,
        "show_price": true,
        "quantity": 300,
        "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."
      }
    }
  }
}