{"type":"firestarter.listing","listing":{"id":"lst_P9PK9Fwo","product_name":"Beastie Xtra Firm Massage Ball","category":"massage ball","description":"THE ULTIMATE MASSAGE BALL\nWith a perfect combination of bump placement, size, firmness, and flexibility, the Beastie overcomes the limitations of other massage balls. It's an excellent addition to any deep-tissue tool set.","images":["https://cdn.shopify.com/s/files/1/0281/3339/2468/products/beastie_wBase.jpg?v=1574049618","https://cdn.shopify.com/s/files/1/0281/3339/2468/products/beastie_table.jpg?v=1574049618","https://cdn.shopify.com/s/files/1/0281/3339/2468/products/beastie_action_neck.jpg?v=1574049618","https://cdn.shopify.com/s/files/1/0281/3339/2468/products/Beastie_on_Woman_Back_800x800_78ccfefb-f237-4101-aee8-84fa0d8ee0bf.jpg?v=1574049618"],"price":27.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:02.746Z"},"share_url":"https://firestarter.network/l/lst_P9PK9Fwo","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_P9PK9Fwo' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Beastie Xtra Firm Massage Ball' and a budget_max comfortably above $27.50 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."]}}