{"type":"firestarter.listing","listing":{"id":"lst_It-vD5n0","product_name":"Buttercrunch Butterhead Lettuce Seeds","category":"Seeds & Plants","description":"Buttercrunch' is a vigorous grower with a creamy yellow interior, buttery flavor and melt-in-your-mouth texture, pleasing palates since 1963. Small heads are perfect for a single-serve salad. The compact size makes it a good container variety, and it's also attractive in the flower-garden border. All-America Selections Winner.","images":["https://cdn.shopify.com/s/files/1/0658/5693/0045/files/3052i_Lettuce-Butterhead-Butter-ORG_adf70505-6488-4a93-ac82-b8ddcb0e3dab.jpg?v=1770280223","https://cdn.shopify.com/s/files/1/0658/5693/0045/files/3052si_Lettuce-Butterhead-Butter-ORG_e87cad72-ce71-4c42-80c8-77994a989bba.jpg?v=1770280223","https://cdn.shopify.com/s/files/1/0658/5693/0045/files/3052w_Lettuce-Butterhead-Butter-ORG_ayecpp_e4c772cd-4158-4b6e-b0cd-16334b0d0c2b.jpg?v=1775680426","https://cdn.shopify.com/s/files/1/0658/5693/0045/files/361_2673_large_9b384bb4-12ae-4d6c-bac6-147fcaa7f0d5.jpg?v=1770280223"],"price":2.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:03.297Z"},"share_url":"https://firestarter.network/l/lst_It-vD5n0","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_It-vD5n0' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Buttercrunch Butterhead Lettuce Seeds' and a budget_max comfortably above $2.99 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."]}}