{"type":"firestarter.listing","listing":{"id":"lst_ygVG3Gpc","product_name":"Matcha Sugar","category":"Baking Spices","description":"Sprinkle matcha sugar on oatmeal, buttered toast or a batch of sugar cookies before baking. Or swirl into whipped cream for a sweet, toasty, grassy flavor.\n","images":["https://cdn.shopify.com/s/files/1/0604/1077/files/Oaktownmatchasugarproduct-3_800px_square.jpg?v=1737674199","https://cdn.shopify.com/s/files/1/0604/1077/files/Oaktown_matcha_sugar-5.jpg?v=1739561187","https://cdn.shopify.com/s/files/1/0604/1077/files/Oaktown_matcha_sugar-2.jpg?v=1739561187"],"price":8.75,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:10.654Z"},"share_url":"https://firestarter.network/l/lst_ygVG3Gpc","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_ygVG3Gpc' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Matcha Sugar' and a budget_max comfortably above $8.75 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."]}}