{ "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": 2, "iso_code": "en", "url_prefix": "\/en\/" }, "delivery_country": { "id_country": 1, "iso_code": "DE" }, "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": 73 }, "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\/en\/mcc\/mcc_agent\/product?id_product=73&setCountry=1&setCurrency=1", "agent": { "root": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/root?setCountry=1&setCurrency=1", "sitemap": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/sitemap?setCountry=1&setCurrency=1", "search": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/search?setCountry=1&setCurrency=1", "cart": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/cart?setCountry=1&setCurrency=1", "product": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=73&setCountry=1&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=73&setCountry=1&setCurrency=1" }, "human": { "home": "https:\/\/musiccraft-instruments.com\/", "sitemap": "https:\/\/musiccraft-instruments.com\/en\/sitemap", "search": "https:\/\/musiccraft-instruments.com\/en\/search", "product": "https:\/\/musiccraft-instruments.com\/en\/p\/club-steel-octave-harmonica-73.html", "cart": "https:\/\/musiccraft-instruments.com\/en\/order", "contact": "https:\/\/musiccraft-instruments.com\/en\/contact-us" } }, "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\/en\/p\/club-steel-octave-harmonica-73.html#product", "url": "https:\/\/musiccraft-instruments.com\/en\/p\/club-steel-octave-harmonica-73.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=73&setCountry=1&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=73&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/p\/club-steel-octave-harmonica-73.html" }, "id_product": 73, "name": "CLUB STEEL Octave \u2013 Tradition with real power", "description": "Octave harmonica with stainless steel reeds and classic club tuning. Wide sound, direct response and built for real musical moments.", "full_description": "Some instruments simply age well. Not because they feel nostalgic. But because their sound never really disappears. The CLUB STEEL Octave belongs exactly in that category. The wide, resonant octave sound feels instantly familiar. Warm. Full. Emotional. Almost like music that has always existed somewhere in the room. That\u2019s what has made octave harmonicas special for generations. Two reeds sounding simultaneously one octave apart create that floating, powerful sound that instantly builds atmosphere. Not sterile. Not thin. But alive. The CLUB STEEL combines this classic tonal character with modern SEYDEL engineering. Its stainless steel reeds deliver fast response, impressive volume and exceptional durability. Soft melodies or strong chord playing \u2014 the instrument stays open, responsive and controlled. Tradition should feel good to play. The classic club tuning with its additional blow note supports traditional playing styles while creating a smooth and natural musical flow. Folk. Traditional music. Sea shanties. Street sessions. Singer-songwriter melodies or simply music that sounds human instead of programmed. The CLUB STEEL feels at home wherever music is allowed to come straight from the gut. And that\u2019s exactly why it\u2019s so interesting: It feels traditional. But never outdated. Beginners quickly discover its rich octave sound. Experienced players get dynamics, projection and expression. Sounds better when you make it yourself. The CLUB STEEL Octave is handcrafted by C.A. Seydel S\u00f6hne \u2014 the world\u2019s oldest harmonica manufacturer. German craftsmanship for people who don\u2019t just want to play music. But make people feel it.", "additional_text": "Octave harmonica with classic club tuning \n Stainless steel reeds for durability and fast response \n Wide and resonant octave sound \n Additional blow note for expanded playing possibilities \n Perfect for folk, traditional music, shanties and melodic styles \n Excellent airtightness and precision craftsmanship \n Warm and dynamic tonal character \n Durable stainless steel covers \n Handcrafted by C.A. Seydel S\u00f6hne \n Made in Germany", "sku": "865\/31.400C", "mpn": "865\/31.400C", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "C. A. Seydel S\u00f6hne", "url": "https:\/\/musiccraft-instruments.com\/en\/c-a-seydel-sohne_13" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 13, "name": "C. A. Seydel S\u00f6hne", "url": "https:\/\/musiccraft-instruments.com\/en\/c-a-seydel-sohne_13" }, "supplier": { "@type": "Organization", "id_supplier": 1, "name": "Migma e.G." }, "main_category": { "id_category": 15, "name": "Harmonicas", "link_rewrite": "harmonicas", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=15&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/harmonicas-15" } }, "categories": [ { "id_category": 4, "name": "Instruments", "link_rewrite": "instruments", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=4&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/instruments-4" } }, { "id_category": 6, "name": "Equipment & Essentials", "link_rewrite": "equipment-essentials", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=6&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/equipment-essentials-6" } }, { "id_category": 7, "name": "Restoration", "link_rewrite": "restoration", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=7&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/restoration-7" } }, { "id_category": 5, "name": "Highlight", "link_rewrite": "highlight", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=5&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/highlight-5" } } ], "features": [ { "id_feature": 1, "id_feature_value": 3, "name": "Product declaration", "value": "Single item" }, { "id_feature": 15, "id_feature_value": 130, "name": "Taxation", "value": "Standard Rate" }, { "id_feature": 9, "id_feature_value": 321, "name": "Instrument", "value": "Harmonica" } ], "agent_faqs": [ ], "images": [ { "id_image": 2093, "cover": true, "position": 1, "legend": "CLUB STEEL Octave \u2013 Tradition with real power", "url": "https:\/\/cdn1.musiccraft-instruments.com\/2093-large_default\/club-steel-octave-harmonica.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 0.12, "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": 73, "id_product_attribute": 0, "url": "https:\/\/musiccraft-instruments.com\/en\/p\/club-steel-octave-harmonica-73.html", "price": 119.95, "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": 119.95, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } , "action": { "type": "add_to_cart", "method": "GET", "enabled": true, "quantity": 1, "url": "https:\/\/musiccraft-instruments.com\/en\/shopping-cart?add=1&id_product=73&qty=1&setCountry=1&setCurrency=1" } }, "variant_offers": [ ], "pricing": { "scope": "product", "default_id_product_attribute": 0, "delivery_country": "DE", "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 119.95, "price_tax_excluded": 100.80, "price_without_reduction": 100.80, "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." } } } }