{ "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": 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": 830 }, "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=830&setCountry=0&setCurrency=1", "agent": { "root": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/root?setCountry=0&setCurrency=1", "sitemap": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/sitemap?setCountry=0&setCurrency=1", "search": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/search?setCountry=0&setCurrency=1", "cart": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/cart?setCountry=0&setCurrency=1", "product": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=830&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=830&setCountry=0&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\/migma-violin-bow-031-pernambuco-830.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\/migma-violin-bow-031-pernambuco-830.html#product", "url": "https:\/\/musiccraft-instruments.com\/en\/p\/migma-violin-bow-031-pernambuco-830.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=830&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=830&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/p\/migma-violin-bow-031-pernambuco-830.html" }, "id_product": 830, "name": "Migma Violin Bow 031 \u2013 Pernambuco Bow with Faceted Stick", "description": "Migma Violin Bow 031 with faceted pernambuco stick, ebony frog and nickel silver fittings. Student bow available in sizes from 4\/4 to 1\/4.", "full_description": "The Migma Violin Bow 031 is designed as a student bow for violin and is available in 4\/4, 3\/4, 1\/2 and 1\/4 sizes. This allows the bow to be selected to match the respective instrument size. The faceted stick is made from pernambuco. Its traditional fittings include nickel silver mounts and an ebony frog with wedge and simple eye. The three-piece button is also fitted with an eye. A nickel silver wire winding completes the setup. With its combination of pernambuco, ebony and nickel silver, this violin bow offers a more refined material specification for students looking for a traditionally equipped bow for tuition and regular playing.", "additional_text": "Model: Violin Bow 031 \n Product type: Student violin bow \n Stick: Pernambuco \n Stick shape: Faceted \n Fittings: Nickel silver \n Frog: Ebony \n Frog with wedge \n Eye: Simple \n Button: Three-piece, with eye \n Winding: Nickel silver wire \n Available sizes: 4\/4, 3\/4, 1\/2 and 1\/4 \n Manufacturer: Migma e.G.", "sku": "139\/031A", "mpn": "139\/031A", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "MIGMA eG", "url": "https:\/\/musiccraft-instruments.com\/en\/migma-eg_21" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 21, "name": "MIGMA eG", "url": "https:\/\/musiccraft-instruments.com\/en\/migma-eg_21" }, "supplier": { "@type": "Organization", "id_supplier": 1, "name": "Migma e.G." }, "main_category": { "id_category": 118, "name": "Bows", "link_rewrite": "bows", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=118&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/bows-118" } }, "categories": [ { "id_category": 4, "name": "Instruments", "link_rewrite": "instruments", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=4&setCountry=0&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=0&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=0&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=0&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": 497, "name": "Instrument", "value": "Bow" }, { "id_feature": 9, "id_feature_value": 148, "name": "Instrument", "value": "Violin" }, { "id_feature": 29, "id_feature_value": 342, "name": "Size for", "value": "1\/4" }, { "id_feature": 29, "id_feature_value": 348, "name": "Size for", "value": "1\/2" }, { "id_feature": 29, "id_feature_value": 341, "name": "Size for", "value": "4\/4" }, { "id_feature": 29, "id_feature_value": 343, "name": "Size for", "value": "3\/4" }, { "id_feature": 2, "id_feature_value": 502, "name": "Badges", "value": "Different variants" }, { "id_feature": 18, "id_feature_value": 358, "name": "Core material", "value": "Ebony" } ], "agent_faqs": [ ], "images": [ { "id_image": 3885, "cover": true, "position": 1, "legend": "Migma Violin Bow 031 \u2013 Pernambuco Bow with Faceted Stick", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3885-large_default\/migma-violin-bow-031-pernambuco.webp" }, { "id_image": 3884, "cover": false, "position": 2, "legend": "Migma Violin Bow 031 \u2013 Pernambuco Bow with Faceted Stick", "url": "https:\/\/cdn1.musiccraft-instruments.com\/3884-large_default\/migma-violin-bow-031-pernambuco.webp" }, { "id_image": 3886, "cover": false, "position": 3, "legend": "Migma Violin Bow 031 \u2013 Pernambuco Bow with Faceted Stick", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3886-large_default\/migma-violin-bow-031-pernambuco.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 0.06, "unitCode": "KGM", "note": "Shipping weight, not product content." }, "variant_model": { "has_variants": true, "variant_count": 4, "default_id_product_attribute": 1179 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 830, "id_product_attribute": 1179, "url": "https:\/\/musiccraft-instruments.com\/en\/p\/migma-violin-bow-031-pernambuco-830.html", "price": 392.00, "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": 392.00, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 830, "id_product_attribute": 1179, "is_default": true, "sku": "139\/031A", "url": "https:\/\/musiccraft-instruments.com\/en\/p\/migma-violin-bow-031-pernambuco-830.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/migma-violin-bow-031-pernambuco.webp", "attributes": [ { "group_id": 10, "group_name": "Size", "value": "4\/4 Size" } ], "attribute_summary": "Size: 4\/4 Size", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 329.41, "tax_included": 392.00, "without_reduction_tax_excluded": 329.41, "without_reduction_tax_included": 392.00, "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\/en\/shopping-cart?add=1&id_product=830&id_product_attribute=1179&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 830, "id_product_attribute": 1180, "is_default": false, "sku": "139\/031B", "url": "https:\/\/musiccraft-instruments.com\/en\/p\/migma-violin-bow-031-pernambuco-830.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/migma-violin-bow-031-pernambuco.webp", "attributes": [ { "group_id": 10, "group_name": "Size", "value": "3\/4 Size" } ], "attribute_summary": "Size: 3\/4 Size", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 329.41, "tax_included": 392.00, "without_reduction_tax_excluded": 329.41, "without_reduction_tax_included": 392.00, "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\/en\/shopping-cart?add=1&id_product=830&id_product_attribute=1180&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 830, "id_product_attribute": 1181, "is_default": false, "sku": "139\/031C", "url": "https:\/\/musiccraft-instruments.com\/en\/p\/migma-violin-bow-031-pernambuco-830.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/migma-violin-bow-031-pernambuco.webp", "attributes": [ { "group_id": 10, "group_name": "Size", "value": "1\/2 Size" } ], "attribute_summary": "Size: 1\/2 Size", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 329.41, "tax_included": 392.00, "without_reduction_tax_excluded": 329.41, "without_reduction_tax_included": 392.00, "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\/en\/shopping-cart?add=1&id_product=830&id_product_attribute=1181&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 830, "id_product_attribute": 1182, "is_default": false, "sku": "139\/031D", "url": "https:\/\/musiccraft-instruments.com\/en\/p\/migma-violin-bow-031-pernambuco-830.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/migma-violin-bow-031-pernambuco.webp", "attributes": [ { "group_id": 10, "group_name": "Size", "value": "1\/4 Size" } ], "attribute_summary": "Size: 1\/4 Size", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 329.41, "tax_included": 392.00, "without_reduction_tax_excluded": 329.41, "without_reduction_tax_included": 392.00, "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\/en\/shopping-cart?add=1&id_product=830&id_product_attribute=1182&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 1179, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 392.00, "price_tax_excluded": 329.41, "price_without_reduction": 329.41, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 40, "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." } } } }