{"type":"firestarter.listing","listing":{"id":"lst_Sebksvat","product_name":"VINTAGE JOHN HENRY + PLAIN GOODS SHIRT","category":null,"description":"\nCotton\nWhite, wine, beige and light blue plaid \nMother of pearl buttons at placket and cuffs\nGentle gathering at front and single pleat at back\nChest pocket\nShirttail hem\n\nSize 8, 21\" underarm to underarm, 27\" length at back\nAs with most antique and vintage items, there may be subtle imperfections adding to the inherent character and integrity of each piece\nAll vintage and antique items are sold as-is and are final sale\nHong Kong\n","images":["https://cdn.shopify.com/s/files/1/1046/1958/files/26-04-09-0109copy.jpg?v=1777398574","https://cdn.shopify.com/s/files/1/1046/1958/files/john_henry.jpg?v=1777398684"],"price":275,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:10.237Z"},"share_url":"https://firestarter.network/l/lst_Sebksvat","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_Sebksvat' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy VINTAGE JOHN HENRY + PLAIN GOODS SHIRT' and a budget_max comfortably above $275.00 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."]}}