{"type":"firestarter.listing","listing":{"id":"lst_V3cNylXQ","product_name":"Barbell Standard - Olympic Spring Collars","category":"Collar","description":"\n\nDual-diameter compatibility: Fit 1 inch and 2 inch barbells to train squats, bench, and deadlifts with one set\n\nSecure plate grip: Keep plates from sliding to improve safety and balance as you build legs, chest, and back\n\nQuick spring closure: Set up or change loads fast to keep workouts moving and perform more sets with less downtime\n\nDurable construction: Withstand frequent use in home or commercial gyms and provide reliable performance for years\n\nStable, safe lifts: Deliver consistent bar control to strengthen core, legs, and back during presses, pulls, and rows\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/spring-collars.jpg?v=1780583434"],"price":12,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:54.673Z"},"share_url":"https://firestarter.network/l/lst_V3cNylXQ","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_V3cNylXQ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Barbell Standard - Olympic Spring Collars' and a budget_max comfortably above $12.00 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."]}}