{"type":"firestarter.listing","listing":{"id":"lst_7o0w8bC4","product_name":"21st Champagne Celebration Birthday Card","category":"Greeting Card","description":"Toast to turning 21 with this elegant champagne-inspired birthday card, guaranteed to make this milestone feel extra special.-A2 Size (4.25 x 5.5 inches folded).-Printed on premium 16pt thick cardstock with a matte finish.-Paired with a coordinated kraft or holiday color envelope.-BLANK INSIDE-Hand DrawnCategories: greeting card, card, cards, birthday cards, birthday greeting card, milestone cards, birthday milestone, birthday gifts, happy birthday card, birthday wishes card, birthday gift card, elegant birthday card, 21st birthday, 21st birthday card, birthday celebration card, age birthday card, minimalist birthday card, champagne greeting cards.","images":["https://cdn.shopify.com/s/files/1/0039/7849/4067/files/IMG_7351.jpg?v=1774807380","https://cdn.shopify.com/s/files/1/0039/7849/4067/files/greetingcardblankinside_7d571047-8c0b-4b98-bd70-1d7f897c7901.jpg?v=1774805033","https://cdn.shopify.com/s/files/1/0039/7849/4067/files/IMG_7350.jpg?v=1774807387","https://cdn.shopify.com/s/files/1/0039/7849/4067/files/N-BM-GC-960.jpg?v=1774805033"],"price":4.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:43.122Z"},"share_url":"https://firestarter.network/l/lst_7o0w8bC4","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 ","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_7o0w8bC4' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 21st Champagne Celebration Birthday Card' and a budget_max comfortably above $4.95 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."]}}