{"type":"firestarter.listing","listing":{"id":"lst_ul4ktJH9","product_name":"GEON Triple-Stage Springs","category":"Springs","description":"Specifications\n\n\nMaterial: STS304 BR, Ni-Mo , KOS\n\n\nFree Length: 22mm (+-0.02)\n\n\nCoil Diameter: 4.05mm (+-0.02mm)\n\nSpring wire diameter: 0.22mm - 0.25mm\n\nBottom out weights: 45.0g ~ 70.0g  (±0.3g)\n\n","images":["https://cdn.shopify.com/s/files/1/0277/8021/8940/products/22mmt.png?v=1762544484"],"price":6.5,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:54.935Z"},"share_url":"https://firestarter.network/l/lst_ul4ktJH9","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_ul4ktJH9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy GEON Triple-Stage Springs' and a budget_max comfortably above $6.50 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."]}}