{"type":"firestarter.listing","listing":{"id":"lst_NBDcE2ZQ","product_name":"Felted Crewneck","category":"Merchandise","description":"This is one snazzy crewneck. It's got hand-sewn, felted lettering and was garment-dyed for a comfy worn-in look. It'll be the sweatshirt you reach for every time.\n80% cotton, 20% ramie. ","images":["https://cdn.shopify.com/s/files/1/1348/5769/files/WS-Felted-Credneck.png?v=1739906574"],"price":55,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:14.861Z"},"share_url":"https://firestarter.network/l/lst_NBDcE2ZQ","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_NBDcE2ZQ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Felted Crewneck' and a budget_max comfortably above $55.00 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."]}}