{ "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": 31 }, "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=31&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=31&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=31&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\/optima-silver-classics-d-saite-konzertgitarre-medium-31.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\/optima-silver-classics-d-saite-konzertgitarre-medium-31.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/optima-silver-classics-d-saite-konzertgitarre-medium-31.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=31&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=31&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/optima-silver-classics-d-saite-konzertgitarre-medium-31.html" }, "id_product": 31, "name": "OPTIMA Silver Classics D-Saite \u2013 Konzertgitarre Medium", "description": "Versilberte D-Saite f\u00fcr Konzertgitarre mit stabilem Ton und langer Haltbarkeit. Die OPTIMA Silver Classics Medium Einzelsaite liefert dir ausgewogene W\u00e4rme, klare Ansprache und zuverl\u00e4ssige Stimmung \u2013 ideal als Ersatz oder f\u00fcr dein individuelles Setup.", "full_description": "Manchmal ist es nur eine Saite. Und genau die muss sitzen. Die OPTIMA Silver Classics D-Saite ist kein Kompromiss . Sondern die saubere L\u00f6sung, wenn dein Setup stimmen soll. Mit ihrer versilberten Umspinnung bringt sie dir einen warmen, klaren Ton mit kontrollierter Tiefe. Kein Wummern. Kein Wegbrechen. Einfach ein sauberer \u00dcbergang zwischen Bass und Diskant. Die pr\u00e4zise Fertigung sorgt f\u00fcr stabile Stimmung und ein Spielgef\u00fchl, das dich nicht irritiert. Du greifst \u2013 und es passt. Durch das zus\u00e4tzliche Coating bleibt die Saite l\u00e4nger konstant. Weniger Verschlei\u00df. Mehr Verl\u00e4sslichkeit. Egal ob du eine einzelne Saite ersetzen willst oder dein Set bewusst anpasst \u2013 diese D-Saite macht genau das, was sie soll. Unauff\u00e4llig. Aber entscheidend.", "additional_text": "", "sku": "862\/274", "mpn": "862\/274", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "OPTIMA Musiksaiten GmbH", "url": "https:\/\/musiccraft-instruments.com\/de\/optima-musiksaiten-gmbh_10" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 10, "name": "OPTIMA Musiksaiten GmbH", "url": "https:\/\/musiccraft-instruments.com\/de\/optima-musiksaiten-gmbh_10" }, "supplier": { "@type": "Organization", "id_supplier": 0, "name": false }, "main_category": { "id_category": 47, "name": "Gitarrensaiten ", "link_rewrite": "gitarrensaiten", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=47&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/gitarrensaiten-47" } }, "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": 1, "name": "Produkttyp", "value": "Zubeh\u00f6r" }, { "id_feature": 1, "id_feature_value": 170, "name": "Produkttyp", "value": "Einzel" }, { "id_feature": 1, "id_feature_value": 151, "name": "Produkttyp", "value": "Verbrauchsmaterial" }, { "id_feature": 15, "id_feature_value": 130, "name": "Besteuerung", "value": "Standard Rate" }, { "id_feature": 18, "id_feature_value": 177, "name": " Kernmaterial", "value": "Spezial Multifilament" }, { "id_feature": 19, "id_feature_value": 160, "name": "Umspinnung \/ Material", "value": "Silber" }, { "id_feature": 20, "id_feature_value": 176, "name": " Befestigung", "value": "Blank" }, { "id_feature": 21, "id_feature_value": 167, "name": "Saitenst\u00e4rke \/ Gauge \/ Spannung", "value": "mittel" }, { "id_feature": 23, "id_feature_value": 181, "name": "Saite", "value": "D4" } ], "agent_faqs": [ ], "images": [ { "id_image": 1977, "cover": true, "position": 1, "legend": "OPTIMA Silver Classics D-Saite \u2013 Konzertgitarre Medium", "url": "https:\/\/cdn3.musiccraft-instruments.com\/1977-large_default\/optima-silver-classics-d-saite-konzertgitarre-medium.webp" }, { "id_image": 1976, "cover": false, "position": 2, "legend": "OPTIMA Silver Classics D-Saite \u2013 Konzertgitarre Medium", "url": "https:\/\/cdn2.musiccraft-instruments.com\/1976-large_default\/optima-silver-classics-d-saite-konzertgitarre-medium.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": 31, "id_product_attribute": 0, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/optima-silver-classics-d-saite-konzertgitarre-medium-31.html", "price": 3.90, "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": 3.90, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } , "action": { "type": "add_to_cart", "method": "GET", "enabled": true, "quantity": 1, "url": "https:\/\/musiccraft-instruments.com\/de\/warenkorb?add=1&id_product=31&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": 3.90, "price_tax_excluded": 3.28, "price_without_reduction": 3.28, "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." } } } }