{ "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": 136 }, "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=136&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=136&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=136&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\/efrano-haengelsaite-cello-70168-136.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\/efrano-haengelsaite-cello-70168-136.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-cello-70168-136.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=136&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=136&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-cello-70168-136.html" }, "id_product": 136, "name": "Efrano H\u00e4ngelsaite f\u00fcr Cello \u2013 Tradition unter Spannung", "description": "Die Efrano H\u00e4ngelsaite f\u00fcr Cello verbindet klassische Darmsaiten-Optik mit zuverl\u00e4ssiger Stabilit\u00e4t f\u00fcr traditionelle und hochwertige Cellosetups.", "full_description": "Beim Cello entsteht Charakter oft genau dort, wo moderne Technik bewusst zur\u00fccktritt. Die Efrano H\u00e4ngelsaite f\u00fcr Cello setzt auf eine klassische naturfarbene Darmsaiten-Optik und passt perfekt zu traditionellen, historischen oder hochwertig abgestimmten Instrumentensetups. Sie verbindet den Saitenhalter zuverl\u00e4ssig mit dem Instrument und unterst\u00fctzt dabei ein harmonisches Gesamtbild. Gerade beim Cello wirken hohe Kr\u00e4fte auf die Verbindung zwischen Saitenhalter und Instrument. Deshalb verbindet die H\u00e4ngelsaite authentische Optik mit stabiler und zuverl\u00e4ssiger Funktion im t\u00e4glichen Einsatz. Geeignet f\u00fcr verschiedene Cello-Gr\u00f6\u00dfen passt sie sowohl zu Sch\u00fcler- als auch Konzertinstrumenten und f\u00fcgt sich besonders sch\u00f6n in klassische Holzoptiken ein. Tradition sieht man nicht nur. Man sp\u00fcrt sie.", "additional_text": "Efrano H\u00e4ngelsaite f\u00fcr Cello \n Farbvarianten: natur, rot, schwarz \n Traditionelle Darmsaiten-Optik natur \n Zuverl\u00e4ssige Verbindung zwischen Saitenhalter und Instrument \n Geeignet f\u00fcr verschiedene Cello-Gr\u00f6\u00dfen \n Ideal f\u00fcr klassische und historische Setups \n Hochwertige Verarbeitung", "sku": "70168", "mpn": "70168", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "Efrano Musiksaiten", "url": "https:\/\/musiccraft-instruments.com\/de\/efrano-musiksaiten_20" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 20, "name": "Efrano Musiksaiten", "url": "https:\/\/musiccraft-instruments.com\/de\/efrano-musiksaiten_20" }, "supplier": { "@type": "Organization", "id_supplier": 1, "name": "Migma e.G." }, "main_category": { "id_category": 79, "name": "Einh\u00e4ngesaiten", "link_rewrite": "einhaengesaiten", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=79&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/einhaengesaiten-79" } }, "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": 150, "name": "Produkttyp", "value": "Ersatzteile" }, { "id_feature": 1, "id_feature_value": 1, "name": "Produkttyp", "value": "Zubeh\u00f6r" }, { "id_feature": 15, "id_feature_value": 130, "name": "Besteuerung", "value": "Standard Rate" }, { "id_feature": 9, "id_feature_value": 325, "name": "Instrument", "value": "Cello" }, { "id_feature": 28, "id_feature_value": 330, "name": "Bestandteile", "value": "Einh\u00e4ngesaiten" }, { "id_feature": 2, "id_feature_value": 502, "name": "Besonderheit", "value": "Verschiedene Varianten" } ], "agent_faqs": [ ], "images": [ { "id_image": 2364, "cover": true, "position": 1, "legend": "Efrano H\u00e4ngelsaite f\u00fcr Cello \u2013 Tradition unter Spannung", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2364-large_default\/efrano-haengelsaite-cello-70168.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 0.05, "unitCode": "KGM", "note": "Shipping weight, not product content." }, "variant_model": { "has_variants": true, "variant_count": 3, "default_id_product_attribute": 420 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 136, "id_product_attribute": 420, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-cello-70168-136.html", "price": 27.90, "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": 27.90, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 136, "id_product_attribute": 420, "is_default": true, "sku": "70168-N", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-cello-70168-136.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/efrano-haengelsaite-cello-70168.webp", "attributes": [ { "group_id": 17, "group_name": "Farbe", "value": "Natur (Darmsaite)" } ], "attribute_summary": "Farbe: Natur (Darmsaite)", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 23.45, "tax_included": 27.90, "without_reduction_tax_excluded": 23.45, "without_reduction_tax_included": 27.90, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 10, "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=136&id_product_attribute=420&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 136, "id_product_attribute": 418, "is_default": false, "sku": "70168-S", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-cello-70168-136.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/efrano-haengelsaite-cello-70168.webp", "attributes": [ { "group_id": 17, "group_name": "Farbe", "value": "Schwarz (Darmsaite)" } ], "attribute_summary": "Farbe: Schwarz (Darmsaite)", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 23.45, "tax_included": 27.90, "without_reduction_tax_excluded": 23.45, "without_reduction_tax_included": 27.90, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 10, "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=136&id_product_attribute=418&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 136, "id_product_attribute": 419, "is_default": false, "sku": "70168-R", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-cello-70168-136.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/efrano-haengelsaite-cello-70168.webp", "attributes": [ { "group_id": 17, "group_name": "Farbe", "value": "Rot (Darmsaite)" } ], "attribute_summary": "Farbe: Rot (Darmsaite)", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 23.45, "tax_included": 27.90, "without_reduction_tax_excluded": 23.45, "without_reduction_tax_included": 27.90, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 10, "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=136&id_product_attribute=419&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 420, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 27.90, "price_tax_excluded": 23.45, "price_without_reduction": 23.45, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 30, "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." } } } }