{"type":"firestarter.listing","listing":{"id":"lst_YwlF38iN","product_name":"Masakage Zero Gyuto 210mm","category":"Gyuto Knife","description":"Overview\nThe Masakage Zero Gyuto 210mm is a premium full-tang Japanese chef knife forged by Takeshi Saji in Echizen, Japan. Built with an Aogami Super carbon steel core and stainless tsuchime cladding, it gives cooks the edge retention and bite of high-performance carbon steel while keeping maintenance more manageable across the outer blade face. The hammered finish adds visual depth and can help reduce food sticking during prep.\nThis 210mm gyuto is an excellent all-purpose size for home cooks and professional chefs who want one knife for vegetables, proteins, herbs, and daily prep. The Western-style desert ironwood handle, metal bolster, and mosaic pin give the Zero a confident, substantial feel in hand, making it a great choice for someone who wants Japanese cutting performance with the familiarity and balance of a Western chef knife.\nMasakage knives are known for sharpness, fit and finish, and strong blacksmith identity. The Zero line sits at the top end of the Masakage lineup, pairing Saji-san’s bold forged aesthetic with Aogami Super steel for a knife that feels collectible but is absolutely meant to work.\nCommon Questions\nQ: Is the Masakage Zero Gyuto 210mm good for home cooks?\nA: Yes. The 210mm length is one of the most practical gyuto sizes because it gives enough blade length for larger prep while still feeling easy to control in a home kitchen.\nQ: Does the Masakage Zero require special care?\nA: Some care is needed because the exposed Aogami Super edge is carbon steel. Wipe the knife dry during and after use, avoid leaving it wet, and apply a light coat of tsubaki oil before longer storage.\nQ: What is this knife best used for?\nA: This gyuto is best for slicing, push cutting, chopping vegetables, trimming proteins, and general chef knife work. Avoid bones, frozen food, hard squash stems, and other dense materials that can damage a thin, hard Japanese edge.\nQ: How should I maintain the edge?\nA: Use a knife-friendly board and regular stropping to keep the edge","images":["https://cdn.shopify.com/s/files/1/0602/6720/0736/files/masakage-zero-gyuto-210mm-06_32d6d123-59bc-4429-b9ce-a887b849eb02.jpg?v=1781437571","https://cdn.shopify.com/s/files/1/0602/6720/0736/files/masakage-zero-gyuto-210mm-04_f833e59e-e0fb-4111-b522-5ad49b9fcddb.jpg?v=1781437571","https://cdn.shopify.com/s/files/1/0602/6720/0736/files/masakage-zero-gyuto-210mm-01_ca44d847-1b72-49cc-9370-c765d0ec7b5c.jpg?v=1781437571","https://cdn.shopify.com/s/files/1/0602/6720/0736/files/masakage-zero-gyuto-210mm-02_d9cb9b75-5183-4d73-854d-373b0ae9b26d.jpg?v=1781437570","https://cdn.shopify.com/s/files/1/0602/6720/0736/files/masakage-zero-gyuto-210mm-03_9207afd2-498a-4ea3-ba85-0de444ab7458.jpg?v=1781437570","https://cdn.shopify.com/s/files/1/0602/6720/0736/files/masakage-zero-gyuto-210mm-05_b7c6dcfa-5604-4640-a1a0-93983728f36a.jpg?v=1781437570"],"price":499,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:30.144Z"},"share_url":"https://firestarter.network/l/lst_YwlF38iN","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_YwlF38iN' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Masakage Zero Gyuto 210mm' and a budget_max comfortably above $499.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}