{"type":"firestarter.listing","listing":{"id":"lst_8876tigZ","product_name":"Cream of Saskatchewan Watermelon Seeds","category":"Seeds & Plants","description":"Discover the heirloom treasure of Cream of Saskatchewan, a watermelon that?s been cherished for generations. This beautiful variety produces round, 6–11 pound fruits, each about 10\" in diameter?—just the right size for easy slicing and serving. Beneath its thin, delicate rind, you'll find crisp, creamy-white flesh that's fantastically sweet. Perfect for northern climates, this watermelon thrives even in cooler summers.","images":["https://cdn.shopify.com/s/files/1/0658/5693/0045/files/0198i_Watermelon-Cream-of-Saskatchewan_nhfbto.jpg?v=1773115093","https://cdn.shopify.com/s/files/1/0658/5693/0045/files/0198si_Watermelon-Cream-of-Saskatchewan.jpg?v=1773115093","https://cdn.shopify.com/s/files/1/0658/5693/0045/files/0198w_Watermelon-Cream-of-Saskatchewan.jpg?v=1773115093","https://cdn.shopify.com/s/files/1/0658/5693/0045/files/cream-of-saskatchewan-watermelon-seeds.jpg?v=1773115093"],"price":3.49,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:01.497Z"},"share_url":"https://firestarter.network/l/lst_8876tigZ","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_8876tigZ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Cream of Saskatchewan Watermelon Seeds' and a budget_max comfortably above $3.49 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."]}}