{"type":"firestarter.listing","listing":{"id":"lst_No1527yW","product_name":"Vintage The Great Flying Saucer Myth Book by Kelly L. Segraves","category":"Books, Vintage","description":"A vintage paperback book, The Great Flying Saucer Myth by Kell L. Segraves published in 1977 by Beta Books.","images":["https://cdn.shopify.com/s/files/1/1798/2671/files/vintage-the-great-flying-saucer-myth-kelly-segraves-front.png?v=1725566440","https://cdn.shopify.com/s/files/1/1798/2671/files/vintage-the-great-flying-saucer-myth-kelly-segraves-back.png?v=1725566442"],"price":9,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:40.195Z"},"share_url":"https://firestarter.network/l/lst_No1527yW","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_No1527yW' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vintage The Great Flying Saucer Myth Book by Kelly L. Segraves' and a budget_max comfortably above $9.00 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."]}}