{"type":"firestarter.listing","listing":{"id":"lst_DyhD9bt5","product_name":"When I Am Big","category":"Desk & Library","description":"First came A Walk in the Forest—now Maria Dek delights again with When I Am Big, a whimsical celebration of growing up and dreaming big. With charming illustrations and playful text, young readers imagine all the adventures they’ll have—from tying shoes with giant bows to eating twenty pizzas in one sitting. An unconventional counting book that climbs all the way to twenty-five, it sparks curiosity, confidence, and joy in every page turn.","images":["https://cdn.shopify.com/s/files/1/0088/6620/1680/files/9781616896027_01.jpg?v=1744905952","https://cdn.shopify.com/s/files/1/0088/6620/1680/files/9781616896027_01_ac949a0a-f16a-4897-8e57-b0c8c398f940.jpg?v=1744905970","https://cdn.shopify.com/s/files/1/0088/6620/1680/files/9781616896027_03.jpg?v=1744905970","https://cdn.shopify.com/s/files/1/0088/6620/1680/files/9781616896027_02.jpg?v=1744905970","https://cdn.shopify.com/s/files/1/0088/6620/1680/files/9781616896027_04.jpg?v=1744905970"],"price":20,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:29.057Z"},"share_url":"https://firestarter.network/l/lst_DyhD9bt5","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_DyhD9bt5' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy When I Am Big' and a budget_max comfortably above $20.00 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."]}}