{"type":"firestarter.listing","listing":{"id":"lst_jSIpJg_S","product_name":"Tobacco Doctor's Knife","category":null,"description":" \n3.63\" closed. We love the slender, squared off look of this knife. The square end was used for crushing pills, and the flat blade was used as a tongue depressor, and counting tool for sorting pills. This is how it gets the name \"doctor's knife\". Amber smooth bone handle. Nickel silver bolster(s). Inlay logo with bone handle. Imported. \n\n","images":["https://cdn.shopify.com/s/files/1/0899/3912/files/IMG_0167knife.jpg?v=1716350638","https://cdn.shopify.com/s/files/1/0899/3912/files/IMG_0170.jpg?v=1716256029","https://cdn.shopify.com/s/files/1/0899/3912/files/IMG_0168_b616bbde-774e-4a81-baab-64dd91991018.jpg?v=1716256029"],"price":34,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:31.218Z"},"share_url":"https://firestarter.network/l/lst_jSIpJg_S","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_jSIpJg_S' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Tobacco Doctor's Knife' and a budget_max comfortably above $34.00 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."]}}