{"type":"firestarter.listing","listing":{"id":"lst_uX0D1i4n","product_name":"Flashback Calendula Fine Art Poster","category":"Fine Art","description":"This fine art poster measures 18 x 24 inches and features Valeriya Volkova's flashback rendering. Each fine art poster ships via USPS Priority Mail in a tube mailer.","images":["https://cdn.shopify.com/s/files/1/0072/0909/1117/products/flashbackcalendula_06208e7b-07cd-4175-861c-8dd6420be43c.jpg?v=1652716532","https://cdn.shopify.com/s/files/1/0072/0909/1117/products/FlashbackCalendula_Bedroom_1.jpg?v=1652818056"],"price":29.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:37.206Z"},"share_url":"https://firestarter.network/l/lst_uX0D1i4n","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_uX0D1i4n' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Flashback Calendula 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."]}}