{"type":"firestarter.listing","listing":{"id":"lst_LJ1w3Gvo","product_name":"Red Long of Tropea Onion Fine Art Poster","category":"Fine Art","description":"This fine art poster measures 20 x 24 inches and features artwork by Chelsea Granger. In this gouache and watercolor piece, she creates a sense of expansive time and space to show the onion in all stages of growth, connected to the people who tend it every step of the way to celebrating its harvest. Each fine art poster ships via USPS Priority Mail in a tube mailer.\nOriginal Medium: Gouache and watercolor on paper","images":["https://cdn.shopify.com/s/files/1/0072/0909/1117/files/RedLongPosterwebimage_1.jpg?v=1699888693","https://cdn.shopify.com/s/files/1/0072/0909/1117/files/RedLongPosterinaroom.jpg?v=1699888693"],"price":29.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:36.710Z"},"share_url":"https://firestarter.network/l/lst_LJ1w3Gvo","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_LJ1w3Gvo' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Red Long of Tropea Onion Fine Art Poster' and a budget_max comfortably above $29.99 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."]}}