{ "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": 295 }, "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=295&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=295&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=295&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-chromatischer-tonangeber-c-c-295.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-chromatischer-tonangeber-c-c-295.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/migma-chromatischer-tonangeber-c-c-295.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=295&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=295&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/migma-chromatischer-tonangeber-c-c-295.html" }, "id_product": 295, "name": "Migma Chromatischer Tonangeber C\u2013C \u2013 ganz ohne Strom", "description": "Mechanischer chromatischer Tonangeber mit Tonumfang C\u2013C und allen zw\u00f6lf Halbt\u00f6nen. Zum Stimmen und zur Tonorientierung \u2013 einfach anblasen, ganz ohne Batterie.", "full_description": "Manchmal braucht es kein Display, keine App und nicht einmal eine Batterie. Der chromatische Tonangeber von Migma macht genau das, was sein Name verspricht: anblasen, Ton h\u00f6ren, orientieren. Mit seinem Tonumfang von C bis C stehen alle zw\u00f6lf Halbt\u00f6ne zur Verf\u00fcgung. Damit eignet sich der Tonangeber nicht nur als Hilfe beim Stimmen von Instrumenten, sondern auch zur Tonorientierung f\u00fcr S\u00e4ngerinnen und S\u00e4nger. Praktisch im Musikunterricht, bei Chorproben, im Orchester oder einfach zu Hause. Die Tonerzeugung funktioniert rein mechanisch durch Anblasen. Das macht den Tonangeber zu einem unkomplizierten Begleiter f\u00fcr alle, die bewusst ohne elektronische Hilfsmittel arbeiten m\u00f6chten \u2013 oder einfach gerne etwas dabeihaben, das keine leere Batterie kennt.", "additional_text": "Chromatischer Tonangeber \n Tonumfang: C\u2013C \n Alle zw\u00f6lf Halbt\u00f6ne \n Tonerzeugung durch Anblasen \n Funktioniert ohne Batterie oder Strom \n Zum Stimmen von Instrumenten und zur Tonorientierung \n Geeignet f\u00fcr Musikunterricht, Chor, Orchester und privaten Gebrauch", "sku": "82\/1860", "mpn": "82\/1860", "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": 28, "id_feature_value": 329, "name": "Bestandteile", "value": "Feinstimmer" }, { "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": 18, "id_feature_value": 380, "name": " Kernmaterial", "value": "Messing" } ], "agent_faqs": [ ], "images": [ { "id_image": 2716, "cover": true, "position": 1, "legend": "Migma Chromatischer Tonangeber C\u2013C \u2013 ganz ohne Strom", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2716-large_default\/migma-chromatischer-tonangeber-c-c.webp" }, { "id_image": 2714, "cover": false, "position": 2, "legend": "Migma Chromatischer Tonangeber C\u2013C \u2013 ganz ohne Strom", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2714-large_default\/migma-chromatischer-tonangeber-c-c.webp" }, { "id_image": 2715, "cover": false, "position": 3, "legend": "Migma Chromatischer Tonangeber C\u2013C \u2013 ganz ohne Strom", "url": "https:\/\/cdn2.musiccraft-instruments.com\/2715-large_default\/migma-chromatischer-tonangeber-c-c.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 0.5, "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": 295, "id_product_attribute": 0, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/migma-chromatischer-tonangeber-c-c-295.html", "price": 14.20, "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": 14.20, "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=295&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": 14.20, "price_tax_excluded": 11.93, "price_without_reduction": 11.93, "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." } } } }