{ "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": 1, "iso_code": "de", "url_prefix": "\/de\/" }, "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": 800 }, "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\/de\/mcc\/mcc_agent\/product?id_product=800&setCountry=0&setCurrency=1", "agent": { "root": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/root?setCountry=0&setCurrency=1", "sitemap": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/sitemap?setCountry=0&setCurrency=1", "search": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/search?setCountry=0&setCurrency=1", "cart": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/cart?setCountry=0&setCurrency=1", "product": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=800&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=800&setCountry=0&setCurrency=1" }, "human": { "home": "https:\/\/musiccraft-instruments.com\/", "sitemap": "https:\/\/musiccraft-instruments.com\/de\/sitemap", "search": "https:\/\/musiccraft-instruments.com\/de\/suche", "product": "https:\/\/musiccraft-instruments.com\/de\/p\/gespielte-violine-4-4-modell-guarneri-800.html", "cart": "https:\/\/musiccraft-instruments.com\/de\/bestellung", "contact": "https:\/\/musiccraft-instruments.com\/de\/kontaktiere-uns" } }, "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\/de\/p\/gespielte-violine-4-4-modell-guarneri-800.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/gespielte-violine-4-4-modell-guarneri-800.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=800&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=800&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/gespielte-violine-4-4-modell-guarneri-800.html" }, "id_product": 800, "name": "Gespielte Violine 4\/4 \u2013 Modell Guarneri mit Etui und Bogen", "description": "Gespielte 4\/4-Violine im Guarneri-Modell, ca. 15 bis 20 Jahre alt, vom Geigenbaumeister \u00fcberpr\u00fcft und \u00fcberholt. Mit Ebenholzgarnitur.", "full_description": "Diese gespielte Violine in 4\/4-Gr\u00f6\u00dfe ist ein Einzelst\u00fcck im Guarneri-Modell. Das Instrument ist etwa 15 bis 20 Jahre alt und wurde von einem Geigenbaumeister \u00fcberpr\u00fcft und \u00fcberholt. Die Violine besitzt keinen Zettel und ist mit einer Ebenholzgarnitur ausgestattet. Als gebrauchtes Einzelst\u00fcck bietet sie einen individuellen Charakter und unterscheidet sich damit von einem serienm\u00e4\u00dfig gefertigten Neuinstrument. Das Instrument ist wahlweise einzeln oder im Set mit Etui und Bogen erh\u00e4ltlich. Damit kann je nach Bedarf entweder nur die Violine oder eine komplette Kombination f\u00fcr Transport und Spiel gew\u00e4hlt werden.", "additional_text": "Produkttyp: gespielte Violine \n Gr\u00f6\u00dfe: 4\/4 \n Zustand: gebraucht \n Einzelst\u00fcck \n Modell: Guarneri \n Alter: ca. 15 bis 20 Jahre \n Ohne Zettel \n Vom Geigenbaumeister \u00fcberpr\u00fcft und \u00fcberholt \n Garnitur: Ebenholz \n Erh\u00e4ltlich als einzelnes Instrument oder im Set mit Etui und Bogen", "sku": "901\/3258", "mpn": "901\/3258", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "MIGMA eG", "url": "https:\/\/musiccraft-instruments.com\/de\/migma-eg_21" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 21, "name": "MIGMA eG", "url": "https:\/\/musiccraft-instruments.com\/de\/migma-eg_21" }, "supplier": { "@type": "Organization", "id_supplier": 1, "name": "Migma e.G." }, "main_category": { "id_category": 7, "name": "Restauration", "link_rewrite": "restauration", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=7&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/restauration-7" } }, "categories": [ { "id_category": 4, "name": "Instrumente", "link_rewrite": "instrumente", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=4&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/instrumente-4" } }, { "id_category": 6, "name": "Equipment & Essentials", "link_rewrite": "equipment-essentials", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=6&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/equipment-essentials-6" } }, { "id_category": 7, "name": "Restauration", "link_rewrite": "restauration", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=7&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/restauration-7" } }, { "id_category": 5, "name": "Highlight", "link_rewrite": "highlight", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=5&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/highlight-5" } } ], "features": [ { "id_feature": 1, "id_feature_value": 499, "name": "Produkttyp", "value": "Historisch & Restauriert" }, { "id_feature": 1, "id_feature_value": 3, "name": "Produkttyp", "value": "Einzelartikel" }, { "id_feature": 15, "id_feature_value": 130, "name": "Besteuerung", "value": "Standard Rate" }, { "id_feature": 9, "id_feature_value": 148, "name": "Instrument", "value": "Violine" }, { "id_feature": 2, "id_feature_value": 501, "name": "Besonderheit", "value": "Unikat" }, { "id_feature": 18, "id_feature_value": 358, "name": " Kernmaterial", "value": "Ebenholz" }, { "id_feature": 25, "id_feature_value": 384, "name": "Au\u00dfenmaterial", "value": "lackiert" }, { "id_feature": 4, "id_feature_value": 154, "name": "Kondition", "value": "aufbereitet" }, { "id_feature": 4, "id_feature_value": 153, "name": "Kondition", "value": "gebraucht" } ], "agent_faqs": [ ], "images": [ { "id_image": 3759, "cover": true, "position": 1, "legend": "Gespielte Violine 4\/4 \u2013 Modell Guarneri mit Etui und Bogen", "url": "https:\/\/cdn1.musiccraft-instruments.com\/3759-large_default\/gespielte-violine-4-4-modell-guarneri.webp" }, { "id_image": 3758, "cover": false, "position": 2, "legend": "Gespielte Violine 4\/4 \u2013 Modell Guarneri mit Etui und Bogen", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3758-large_default\/gespielte-violine-4-4-modell-guarneri.webp" }, { "id_image": 3760, "cover": false, "position": 3, "legend": "Gespielte Violine 4\/4 \u2013 Modell Guarneri mit Etui und Bogen", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3760-large_default\/gespielte-violine-4-4-modell-guarneri.webp" }, { "id_image": 3755, "cover": false, "position": 4, "legend": "Gespielte Violine 4\/4 \u2013 Modell Guarneri mit Etui und Bogen", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3755-large_default\/gespielte-violine-4-4-modell-guarneri.webp" }, { "id_image": 3756, "cover": false, "position": 5, "legend": "Gespielte Violine 4\/4 \u2013 Modell Guarneri mit Etui und Bogen", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3756-large_default\/gespielte-violine-4-4-modell-guarneri.webp" }, { "id_image": 3757, "cover": false, "position": 6, "legend": "Gespielte Violine 4\/4 \u2013 Modell Guarneri mit Etui und Bogen", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3757-large_default\/gespielte-violine-4-4-modell-guarneri.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 2, "unitCode": "KGM", "note": "Shipping weight, not product content." }, "variant_model": { "has_variants": true, "variant_count": 2, "default_id_product_attribute": 1109 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 800, "id_product_attribute": 1109, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/gespielte-violine-4-4-modell-guarneri-800.html", "price": 2950.00, "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": 2950.00, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 800, "id_product_attribute": 1109, "is_default": true, "sku": "901\/3258-1", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/gespielte-violine-4-4-modell-guarneri-800.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/3759-large_default\/gespielte-violine-4-4-modell-guarneri.webp", "attributes": [ { "group_id": 28, "group_name": "Variante", "value": "Instrument einzeln" } ], "attribute_summary": "Variante: Instrument einzeln", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 2478.99, "tax_included": 2950.00, "without_reduction_tax_excluded": 2478.99, "without_reduction_tax_included": 2950.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 1, "minimal_quantity": 1, "action": { "type": "add_to_cart", "method": "GET", "enabled": true, "quantity": 1, "url": "https:\/\/musiccraft-instruments.com\/de\/warenkorb?add=1&id_product=800&id_product_attribute=1109&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 800, "id_product_attribute": 1108, "is_default": false, "sku": "901\/3258-2", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/gespielte-violine-4-4-modell-guarneri-800.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/3760-large_default\/gespielte-violine-4-4-modell-guarneri.webp", "attributes": [ { "group_id": 28, "group_name": "Variante", "value": "Instrument im Set mit Etui und Bogen" } ], "attribute_summary": "Variante: Instrument im Set mit Etui und Bogen", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 2647.06, "tax_included": 3150.00, "without_reduction_tax_excluded": 2647.06, "without_reduction_tax_included": 3150.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 1, "minimal_quantity": 1, "action": { "type": "add_to_cart", "method": "GET", "enabled": true, "quantity": 1, "url": "https:\/\/musiccraft-instruments.com\/de\/warenkorb?add=1&id_product=800&id_product_attribute=1108&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 1109, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 2950.00, "price_tax_excluded": 2478.99, "price_without_reduction": 2478.99, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 2, "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." } } } }