{"type":"firestarter.listing","listing":{"id":"lst_9EuUGPkg","product_name":"MTA Your Line to The City T-Shirt","category":"Tees","description":"• 100% cotton• 6.0 oz, midweight carded jersey• Screen printed graphic• Made in Peru• Officially Licensed by the Metropolitan Transportation Authority","images":["https://cdn.shopify.com/s/files/1/0920/5284/files/TEMTA1317White-01.jpg?v=1772644140","https://cdn.shopify.com/s/files/1/0920/5284/files/SP25_CollectionName_Lifestyle_WorkingLifestyle3_1_3f6910cf-bae3-4319-b47e-38bf7f5b4f8f.jpg?v=1772646183","https://cdn.shopify.com/s/files/1/0920/5284/files/TEMTA1317White-02.jpg?v=1772646183","https://cdn.shopify.com/s/files/1/0920/5284/files/SP25_CollectionName_Lifestyle_WorkingLifestyle2_1_6a7c97b9-f04f-40bf-bfdc-bbb7eacc8000.jpg?v=1772646183"],"price":46,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:23:59.113Z"},"share_url":"https://firestarter.network/l/lst_9EuUGPkg","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_9EuUGPkg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MTA Your Line to The City T-Shirt' and a budget_max comfortably above $46.00 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."]}}