{"type":"firestarter.listing","listing":{"id":"lst_fwjUhwt-","product_name":"Vintage Postage Stamps","category":"Stamp","description":"\nAuthentic Vintage(not new) Postage Stamps\nEach pack contains 100 pieces\nCollected from post offices.\nThere is a stamp on it\nDifferent Themes\n\n** Due to each stamp being one-of-a-kind, the package you get will be in this theme but may look different slightly.","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Postage-Stamps_2048x_93177ccb-b6a3-4d41-bb04-96d720178c84.jpg?v=1749737583","https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Postage-Stamps.jpg?v=1749737583","https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Postage-Stamps-2.jpg?v=1749737583","https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Postage-Stamps-3.jpg?v=1749737583","https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Postage-Stamps-4.jpg?v=1749737583","https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Postage-Stamps-5.jpg?v=1749737583","https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Postage-Stamps-6.jpg?v=1749737583","https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Postage-Stamps-7.jpg?v=1749737583","https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Postage-Stamps-8.jpg?v=1749737583"],"price":12,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:01.040Z"},"share_url":"https://firestarter.network/l/lst_fwjUhwt-","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_fwjUhwt-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vintage Postage Stamps' and a budget_max comfortably above $12.00 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."]}}