{"type":"firestarter.listing","listing":{"id":"lst_yzxEw0R5","product_name":"Spring for Short Sizes","category":"Spare Part","description":"Used in the Switch and Short length of the Bolt Action, Slim Bolt Action, Side Click, Slim Side Click, and Shaker (also known as the Click Short) models.","images":["https://cdn.shopify.com/s/files/1/0082/2840/5353/products/part_spring_short.jpg?v=1614104727"],"price":0.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:18.279Z"},"share_url":"https://firestarter.network/l/lst_yzxEw0R5","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_yzxEw0R5' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Spring for Short Sizes' and a budget_max comfortably above $0.50 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."]}}