{"type":"firestarter.listing","listing":{"id":"lst_7lDJuujj","product_name":"Premium Brass Train Eyeglass Holder for Men","category":"Eyeglass holder","description":"Solid golden brass in the shape of a train with a hand wrapped wire to hold your glasses or sun glasses. Held on with two super strong magnets so there is never any damage to your clothing. The train is 1 x 1/2 inch in size.I also have them in a nickel plate, not shown. Just write in your order if you prefer the silver color.\nNeed extra magnet backs? They are listed here:  \nhttps://laurawilsongal.com/products/extra-magnetic-earring-and-eyeglass-holder-backs\nMade in the USA","images":["https://cdn.shopify.com/s/files/1/0051/5171/9513/products/il_fullxfull.463189878_3rl9_304829b3-01e8-4443-b5d6-4dc26ef403fc.jpg?v=1588813607","https://cdn.shopify.com/s/files/1/0051/5171/9513/products/il_fullxfull.463199761_pfau_c42a5586-6780-4399-a3f3-23763e222cb7.jpg?v=1588813638"],"price":45,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:07.743Z"},"share_url":"https://firestarter.network/l/lst_7lDJuujj","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_7lDJuujj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Premium Brass Train Eyeglass Holder for Men' and a budget_max comfortably above $45.00 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."]}}