{ "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": 273 }, "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=273&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=273&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=273&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\/migma-hackbrettschluessel-akkordzitherschluessel-273.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\/migma-hackbrettschluessel-akkordzitherschluessel-273.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/migma-hackbrettschluessel-akkordzitherschluessel-273.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=273&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=273&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/migma-hackbrettschluessel-akkordzitherschluessel-273.html" }, "id_product": 273, "name": "Migma Hackbrett- & Akkordzitherschl\u00fcssel \u2013 Vierkant oder Stern", "description": "Stimmschl\u00fcssel f\u00fcr Hackbretter und Akkordzithern mit Wei\u00dfbuchengriff und glattem Schaft. F\u00fcr Wirbel \u00d8 5,0 mm, als Vierkant oder Stern erh\u00e4ltlich.", "full_description": "Der Hackbrett- und Akkordzitherschl\u00fcssel von Migma ist ein praktisches Werkzeug zum Stimmen von Hackbrettern und Akkordzithern. Er ist f\u00fcr Wirbel mit einem Durchmesser von 5,0 mm ausgelegt und erm\u00f6glicht ein kontrolliertes Drehen der Stimmwirbel beim Einstellen der gew\u00fcnschten Tonh\u00f6he. Der Griff aus Wei\u00dfbuche bietet eine angenehme Handhabung, w\u00e4hrend der glatte Schaft den Holzgriff mit der Aufnahme f\u00fcr den Wirbel verbindet. Je nach Ausf\u00fchrung der verwendeten Stimmwirbel kann zwischen einer Vierkant- und einer Stern-Aufnahme gew\u00e4hlt werden. Der Stimmschl\u00fcssel wird in Deutschland hergestellt. Die Vierkant-Ausf\u00fchrung ist unter der Artikelnummer 866\/120 erh\u00e4ltlich, die Variante mit Stern-Aufnahme unter der Artikelnummer 866\/120b.", "additional_text": "Stimmschl\u00fcssel f\u00fcr Hackbretter und Akkordzithern \n F\u00fcr Wirbel: \u00d8 5,0 mm \n Griff: Wei\u00dfbuche \n Glatter Schaft \n Ausf\u00fchrung Vierkant: Art.-Nr. 866\/120 \n Ausf\u00fchrung Stern: Art.-Nr. 866\/120b \n Made in Germany \n Hersteller: Migma e.G. \n Modell: Hackbrettschl\u00fcssel\/Akkordzitherschl\u00fcssel", "sku": "866\/120", "mpn": "866\/120", "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": 73, "name": "Stimmger\u00e4te", "link_rewrite": "stimmgeraete", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=73&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/stimmgeraete-73" } }, "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": 3, "name": "Produkttyp", "value": "Einzelartikel" }, { "id_feature": 15, "id_feature_value": 130, "name": "Besteuerung", "value": "Standard Rate" }, { "id_feature": 9, "id_feature_value": 394, "name": "Instrument", "value": "Zither" }, { "id_feature": 28, "id_feature_value": 329, "name": "Bestandteile", "value": "Feinstimmer" }, { "id_feature": 28, "id_feature_value": 336, "name": "Bestandteile", "value": "Stimmst\u00e4be" }, { "id_feature": 22, "id_feature_value": 173, "name": "Einsatzbereich", "value": "B\u00fchne" }, { "id_feature": 22, "id_feature_value": 172, "name": "Einsatzbereich", "value": "Fortgeschrittene" }, { "id_feature": 22, "id_feature_value": 171, "name": "Einsatzbereich", "value": "Anf\u00e4nger" }, { "id_feature": 2, "id_feature_value": 502, "name": "Besonderheit", "value": "Verschiedene Varianten" }, { "id_feature": 18, "id_feature_value": 402, "name": " Kernmaterial", "value": "Wei\u00dfbuche" } ], "agent_faqs": [ ], "images": [ { "id_image": 2676, "cover": true, "position": 1, "legend": "Migma Hackbrett- & Akkordzitherschl\u00fcssel \u2013 Vierkant oder Stern", "url": "https:\/\/cdn2.musiccraft-instruments.com\/2676-large_default\/migma-hackbrettschluessel-akkordzitherschluessel.webp" }, { "id_image": 2677, "cover": false, "position": 2, "legend": "Migma Hackbrett- & Akkordzitherschl\u00fcssel \u2013 Vierkant oder Stern", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2677-large_default\/migma-hackbrettschluessel-akkordzitherschluessel.webp" } ], "variant_model": { "has_variants": true, "variant_count": 2, "default_id_product_attribute": 646 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 273, "id_product_attribute": 646, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/migma-hackbrettschluessel-akkordzitherschluessel-273.html", "price": 9.70, "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": 9.70, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 273, "id_product_attribute": 646, "is_default": true, "sku": "866\/120b", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/migma-hackbrettschluessel-akkordzitherschluessel-273.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/migma-hackbrettschluessel-akkordzitherschluessel.webp", "attributes": [ { "group_id": 22, "group_name": "Loch", "value": "Stern" } ], "attribute_summary": "Loch: Stern", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 8.15, "tax_included": 9.70, "without_reduction_tax_excluded": 8.15, "without_reduction_tax_included": 9.70, "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=273&id_product_attribute=646&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 273, "id_product_attribute": 645, "is_default": false, "sku": "866\/120", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/migma-hackbrettschluessel-akkordzitherschluessel-273.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/migma-hackbrettschluessel-akkordzitherschluessel.webp", "attributes": [ { "group_id": 22, "group_name": "Loch", "value": "Vierkant" } ], "attribute_summary": "Loch: Vierkant", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 5.71, "tax_included": 6.80, "without_reduction_tax_excluded": 5.71, "without_reduction_tax_included": 6.80, "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=273&id_product_attribute=645&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 646, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 9.70, "price_tax_excluded": 8.15, "price_without_reduction": 8.15, "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." } } } }