{"type":"firestarter.listing","listing":{"id":"lst_5MDAk6-7","product_name":"3001 Buttoned overshirt -  discontinued midnight blue","category":"OVERSHIRTS_COTTON","description":"These overshirts are made from a discontinued fabric which has a slightly different weave and colour from the current yellow overshirts. The fabric is also a lighter weight of 260 gsm. This versatile shirt puts functionality first, with a simple, boxy design inspired by the classic overshirt.","images":["https://cdn.shopify.com/s/files/1/0047/6921/8632/files/3001-midnight-blue-overshirt-front-zw.jpg?v=1735562374"],"price":42.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T08:01:02.147Z"},"share_url":"https://firestarter.network/l/lst_5MDAk6-7","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_5MDAk6-7' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 3001 Buttoned overshirt -  discontinued midnight blue' and a budget_max comfortably above $42.50 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."]}}