{"type":"firestarter.listing","listing":{"id":"lst_0KRapoDK","product_name":"Heitor Knit Shirt","category":"Shirt","description":"Adapted from our Busey Shirt, and inspired by a piece worn by musician Heitor dos Prazeres. Knitted in Istanbul from locally sourced organic cotton, with a textured stitch and a slightly cropped, boxy fit.","images":["https://cdn.shopify.com/s/files/1/0667/9324/2858/files/AFKN734-1.jpg?v=1775748063","https://cdn.shopify.com/s/files/1/0667/9324/2858/files/AFKN734-1_a9dfcdd3-c0fd-411d-9461-1bf4fa2d238e.jpg?v=1775748063","https://cdn.shopify.com/s/files/1/0667/9324/2858/files/AFKN734-2.jpg?v=1775748063","https://cdn.shopify.com/s/files/1/0667/9324/2858/files/AFKN734-3.jpg?v=1775748063"],"price":160,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:13.834Z"},"share_url":"https://firestarter.network/l/lst_0KRapoDK","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_0KRapoDK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Heitor Knit Shirt' and a budget_max comfortably above $160.00 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."]}}