{ "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": 135 }, "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=135&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=135&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=135&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-viola-70166-135.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-viola-70166-135.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-viola-70166-135.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=135&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=135&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-viola-70166-135.html" }, "id_product": 135, "name": "Efrano H\u00e4ngelsaite f\u00fcr Viola \u2013 Tradition f\u00fcr gr\u00f6\u00dfere Klangwelten", "description": "Die Efrano H\u00e4ngelsaite f\u00fcr Viola verbindet klassische Materialoptik mit zuverl\u00e4ssiger Stabilit\u00e4t und passt perfekt zu traditionellen Instrumentensetups.", "full_description": "Die Viola lebt von Charakter. Und manchmal beginnt der schon bei den kleinen Details. Die Efrano H\u00e4ngelsaite f\u00fcr Viola setzt bewusst auf eine traditionelle Darmsaiten-Optik und f\u00fcgt sich harmonisch in klassische oder historisch inspirierte Instrumentensetups ein. Sie verbindet den Saitenhalter zuverl\u00e4ssig mit dem Instrument und unterst\u00fctzt dabei ein ausgewogenes Gesamtbild. Gerade bei der Viola, wo Klang, Optik und Spielgef\u00fchl oft besonders eng zusammengeh\u00f6ren, macht eine stimmige Ausstattung einen sp\u00fcrbaren Unterschied. Die naturfarbene Darmsaiten-Optik sorgt dabei f\u00fcr eine warme und authentische Ausstrahlung. Geeignet f\u00fcr verschiedene Viola-Gr\u00f6\u00dfen passt die H\u00e4ngelsaite sowohl zu Sch\u00fcler- als auch Konzertinstrumenten. Tradition ist nicht alt. Nur zeitlos gut.", "additional_text": "Efrano H\u00e4ngelsaite f\u00fcr Viola \n Artikelnummer: 70166 \n Traditionelle Darmsaiten-Optik natur \n Zuverl\u00e4ssige Verbindung zwischen Saitenhalter und Instrument \n Geeignet f\u00fcr verschiedene Viola-Gr\u00f6\u00dfen \n Ideal f\u00fcr klassische und historische Setups \n Hochwertige Verarbeitung", "sku": "70166", "mpn": "70166", "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": 1, "name": "Produkttyp", "value": "Zubeh\u00f6r" }, { "id_feature": 1, "id_feature_value": 150, "name": "Produkttyp", "value": "Ersatzteile" }, { "id_feature": 15, "id_feature_value": 130, "name": "Besteuerung", "value": "Standard Rate" }, { "id_feature": 9, "id_feature_value": 149, "name": "Instrument", "value": "Viola" }, { "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": 2363, "cover": true, "position": 1, "legend": "Efrano H\u00e4ngelsaite f\u00fcr Viola \u2013 Tradition f\u00fcr gr\u00f6\u00dfere Klangwelten", "url": "https:\/\/cdn1.musiccraft-instruments.com\/2363-large_default\/efrano-haengelsaite-viola-70166.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": 417 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 135, "id_product_attribute": 417, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-viola-70166-135.html", "price": 19.90, "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": 19.90, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 135, "id_product_attribute": 417, "is_default": true, "sku": "70166-N", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-viola-70166-135.html", "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/efrano-haengelsaite-viola-70166.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": 16.72, "tax_included": 19.90, "without_reduction_tax_excluded": 16.72, "without_reduction_tax_included": 19.90, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 5, "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=135&id_product_attribute=417&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 135, "id_product_attribute": 415, "is_default": false, "sku": "70166-S", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-viola-70166-135.html", "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/efrano-haengelsaite-viola-70166.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": 16.72, "tax_included": 19.90, "without_reduction_tax_excluded": 16.72, "without_reduction_tax_included": 19.90, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 5, "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=135&id_product_attribute=415&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 135, "id_product_attribute": 416, "is_default": false, "sku": "70166-R", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/efrano-haengelsaite-viola-70166-135.html", "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/efrano-haengelsaite-viola-70166.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": 16.72, "tax_included": 19.90, "without_reduction_tax_excluded": 16.72, "without_reduction_tax_included": 19.90, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 5, "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=135&id_product_attribute=416&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 417, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 19.90, "price_tax_excluded": 16.72, "price_without_reduction": 16.72, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 15, "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." } } } }