{"type":"firestarter.listing","listing":{"id":"lst_4l6EeEut","product_name":"Twenty-Fun 21st Confetti Birthday Card","category":"Greeting Card","description":"Celebrate turning twenty-fun with this playful 21st birthday greeting card, designed to make their 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, text greeting cards.","images":["https://cdn.shopify.com/s/files/1/0039/7849/4067/files/IMG_7359.jpg?v=1774807358","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_7358.jpg?v=1774807352","https://cdn.shopify.com/s/files/1/0039/7849/4067/files/N-BM-GC-959.jpg?v=1774805033"],"price":4.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:43.123Z"},"share_url":"https://firestarter.network/l/lst_4l6EeEut","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_4l6EeEut' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Twenty-Fun 21st Confetti 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."]}}