{"type":"firestarter.listing","listing":{"id":"lst_-f6Mmbez","product_name":"Wasabi Blend (Powder)","category":null,"description":"Pungent wasabi substitute blend, for sushi or meats.\nThis wasabi blend powder delivers the signature heat and sharpness of wasabi in a convenient blend. Mix with water to create a paste for sushi, meats, or sauces. While it’s not as bold as fresh wasabi, it’s a reliable option when fresh isn’t available—especially if you're in rural Maine!\nDetails: Not organic.\nIngredients: Japanese horseradish, mustard powder, spinach powder (for color).\n\nZero-Waste Spice Refills Packaged in Compostable Packaging:\n\n\nSmall Refill: scant 1/4 cup volume (10.9 oz net weight)\n\nLarge Refill: 1/2 cup volume (2.2 oz net weight)\n\nRefill packaging is made from plants and safe for home composting. It's not meant for long-term storage; please transfer to airtight containers. Read about our zero-waste packaging here.\n\nReusable Glass Magnetic Jars:\n\n\nSmall Jar: scant 1/4 cup volume\n\nLarge Jar: 1/2 cup volume \n\n\n\nNew to Gneiss Spice? Check out our FAQs videos. Purchasing over a dozen jars? Buy a boxed custom kit and save over 10%.\n\n","images":["https://cdn.shopify.com/s/files/1/1030/2399/products/green_wasabicopy_3a6d0808-b263-4cff-9ee2-48c727d65ea4.jpg?v=1773791226"],"price":5,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:12.302Z"},"share_url":"https://firestarter.network/l/lst_-f6Mmbez","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_-f6Mmbez' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Wasabi Blend (Powder)' and a budget_max comfortably above $5.00 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."]}}