{
  "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": 7
    },
    "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=7&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=7&setCountry=0&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=7&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-no6-nylon-b2-single-string-classical-guitar-7.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-no6-nylon-b2-single-string-classical-guitar-7.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-no6-nylon-b2-single-string-classical-guitar-7.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=7&setCountry=0&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=7&setCountry=0&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-no6-nylon-b2-single-string-classical-guitar-7.html"
      },

      "id_product": 7,
      "name": "OPTIMA No.6 Nylon B2 Single String \u2013 Classical Guitar",
      "description": "High-quality B2 single string made of nylon for classical guitar. Clear, bright tone and precise response \u2013 ideal as a replacement string.",
      "full_description": "The  OPTIMA No.6 Nylon B2 Single String  is a high-quality treble string for classical guitars, delivering a clear, balanced tone and precise playability.  Made from  high-quality nylon , this string provides a bright, focused sound with excellent response. It is especially suitable for melodic playing and blends perfectly within the full string set.  This string is designed to match the No.6 series and is ideal for replacing worn or broken strings.",
      "additional_text": "",

      "sku": "862\/272",
      "mpn": "862\/272",
      "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": 1,
            "name": "Product declaration",
            "value": "Utensils"
          },                    {
            "id_feature": 1,
            "id_feature_value": 170,
            "name": "Product declaration",
            "value": "Single"
          },                    {
            "id_feature": 1,
            "id_feature_value": 151,
            "name": "Product declaration",
            "value": "Consumables"
          },                    {
            "id_feature": 15,
            "id_feature_value": 130,
            "name": "Taxation",
            "value": "Standard Rate"
          },                    {
            "id_feature": 9,
            "id_feature_value": 44,
            "name": "Instrument",
            "value": "Guitar"
          },                    {
            "id_feature": 9,
            "id_feature_value": 195,
            "name": "Instrument",
            "value": "acoustic guitar"
          },                    {
            "id_feature": 9,
            "id_feature_value": 194,
            "name": "Instrument",
            "value": "concert guitar"
          },                    {
            "id_feature": 22,
            "id_feature_value": 173,
            "name": "Intended Use",
            "value": "Stage"
          },                    {
            "id_feature": 18,
            "id_feature_value": 157,
            "name": "Core material",
            "value": "Nylon"
          },                    {
            "id_feature": 20,
            "id_feature_value": 176,
            "name": "Fastening",
            "value": "Blank"
          },                    {
            "id_feature": 23,
            "id_feature_value": 179,
            "name": "String",
            "value": "B2 (H)"
          }                        ],

      "agent_faqs": [
              ],

      "images": [
                            {
            "id_image": 1964,
            "cover": true,
            "position": 1,
            "legend": "OPTIMA No.6 Nylon B2 Single String \u2013 Classical Guitar",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/1964-large_default\/optima-no6-nylon-b2-single-string-classical-guitar.webp"
          },                    {
            "id_image": 1963,
            "cover": false,
            "position": 2,
            "legend": "OPTIMA No.6 Nylon B2 Single String \u2013 Classical Guitar",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/1963-large_default\/optima-no6-nylon-b2-single-string-classical-guitar.webp"
          }                        ],

            "shipping_weight": {
        "@type": "QuantitativeValue",
        "value": 0.02,
        "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": 7,
        "id_product_attribute": 0,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/optima-no6-nylon-b2-single-string-classical-guitar-7.html",
        "price": 0.90,
        "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": 0.90,
          "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=7&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": 0.90,
        "price_tax_excluded": 0.76,
        "price_without_reduction": 0.76,
        "reduction_percent": 0,
        "reduction_price": 0      },

      "availability": {
        "status": "https://schema.org/InStock",
        "orderable": true,
        "available_for_order": true,
        "show_price": true,
        "quantity": 10,
        "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."
      }
    }
  }
}