{ "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": 717 }, "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=717&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=717&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=717&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\/wittner-taktell-quartz-qm2-metronom-717.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\/wittner-taktell-quartz-qm2-metronom-717.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-taktell-quartz-qm2-metronom-717.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=717&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=717&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-taktell-quartz-qm2-metronom-717.html" }, "id_product": 717, "name": "Wittner Taktell Quartz QM2 \u2013 elektronisches Metronom", "description": "Wittner Taktell Quartz QM2 mit 40\u2013208 Schl\u00e4gen pro Minute, 39 Tempopositionen, akustischer und optischer Schlaganzeige sowie Kammerton a1 = 440 Hz.", "full_description": "Das Wittner Taktell Quartz QM2 ist ein elektronisches Metronom mit Kunststoffgeh\u00e4use und einem Tempobereich von 40 bis 208 Schl\u00e4gen pro Minute. Die Tempowahl erfolgt \u00fcber 39 Positionen. Der Schlag wird sowohl akustisch \u00fcber den Lautsprecher als auch optisch \u00fcber eine Leuchtdiode angezeigt. \u00dcber einen Wahlschalter kann zwischen akustischer und optischer Anzeige oder ausschlie\u00dflich optischer Anzeige gew\u00e4hlt werden. Zus\u00e4tzlich verf\u00fcgt das QM2 \u00fcber den Kammerton a1 = 440 Hz. Zum Lieferumfang geh\u00f6ren ein Ohrh\u00f6rer und eine 9-Volt-Batterie. Das Metronom ist in Schwarz oder Rubinrot erh\u00e4ltlich.", "additional_text": "Modell: Quartz QM2 \n Produkttyp: elektronisches Metronom \n Geh\u00e4use: Kunststoff \n Tempobereich: 40 bis 208 Schl\u00e4ge\/Minute \n Tempowahl: 39 Positionen \n Schlaganzeige: \u00fcber Lautsprecher und Leuchtdiode \n Wahlschalter: akustische und optische Anzeige oder nur optische Anzeige \n Kammerton: a1 = 440 Hz \n Stromversorgung: 9-Volt-Batterie \n Ohrh\u00f6rer inklusive \n Farben: Schwarz oder Rubinrot \n Hersteller: Wittner \u2013 Division of GEWA music GmbH", "sku": "819\/263", "mpn": "819\/263", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "Wittner \u2013 Division of GEWA music GmbH", "url": "https:\/\/musiccraft-instruments.com\/de\/wittner-division-of-gewa-music-gmbh_19" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 19, "name": "Wittner \u2013 Division of GEWA music GmbH", "url": "https:\/\/musiccraft-instruments.com\/de\/wittner-division-of-gewa-music-gmbh_19" }, "supplier": { "@type": "Organization", "id_supplier": 1, "name": "Migma e.G." }, "main_category": { "id_category": 72, "name": "Metronome", "link_rewrite": "metronome", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=72&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/metronome-72" } }, "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": 9, "id_feature_value": 490, "name": "Instrument", "value": "Metronom" }, { "id_feature": 2, "id_feature_value": 502, "name": "Besonderheit", "value": "Verschiedene Varianten" }, { "id_feature": 18, "id_feature_value": 392, "name": " Kernmaterial", "value": "Kunststoff" } ], "agent_faqs": [ ], "images": [ { "id_image": 3516, "cover": true, "position": 1, "legend": "Wittner Taktell Quartz QM2 \u2013 elektronisches Metronom", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3516-large_default\/wittner-taktell-quartz-qm2-metronom.webp" }, { "id_image": 3517, "cover": true, "position": 2, "legend": "Wittner Taktell Quartz QM2 \u2013 elektronisches Metronom", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3517-large_default\/wittner-taktell-quartz-qm2-metronom.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 0.65, "unitCode": "KGM", "note": "Shipping weight, not product content." }, "variant_model": { "has_variants": true, "variant_count": 2, "default_id_product_attribute": 939 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 717, "id_product_attribute": 939, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-taktell-quartz-qm2-metronom-717.html", "price": 74.15, "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": 74.15, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 717, "id_product_attribute": 939, "is_default": true, "sku": "819\/263", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-taktell-quartz-qm2-metronom-717.html", "image": "https:\/\/cdn3.musiccraft-instruments.com\/3517-large_default\/wittner-taktell-quartz-qm2-metronom.webp", "attributes": [ { "group_id": 17, "group_name": "Farbe", "value": "Rot" } ], "attribute_summary": "Farbe: Rot", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 62.31, "tax_included": 74.15, "without_reduction_tax_excluded": 62.31, "without_reduction_tax_included": 74.15, "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=717&id_product_attribute=939&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 717, "id_product_attribute": 938, "is_default": false, "sku": "819\/261", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-taktell-quartz-qm2-metronom-717.html", "image": "https:\/\/cdn3.musiccraft-instruments.com\/3516-large_default\/wittner-taktell-quartz-qm2-metronom.webp", "attributes": [ { "group_id": 17, "group_name": "Farbe", "value": "Schwarz" } ], "attribute_summary": "Farbe: Schwarz", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 62.31, "tax_included": 74.15, "without_reduction_tax_excluded": 62.31, "without_reduction_tax_included": 74.15, "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=717&id_product_attribute=938&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 939, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 74.15, "price_tax_excluded": 62.31, "price_without_reduction": 62.31, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 20, "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." } } } }