{"type":"firestarter.listing","listing":{"id":"lst_slpNxSnk","product_name":"GAMMA Synthetic Gut","category":"Tennis String","description":"The ideal all-around performance string, offering a balance of playability and durability for all playing levels and styles.","images":["https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-gsg614-798908.jpg?v=1758567665","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-gsg614-514370.jpg?v=1758567666","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-gsg610-601639.jpg?v=1758567668","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-gsg617-653720.jpg?v=1758567669","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-gsg616-202081.jpg?v=1758567670","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-gsg611-601853.jpg?v=1758567671","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-gsg711-867974.jpg?v=1758567672","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-gsg800-589639.jpg?v=1758567679","https://cdn.shopify.com/s/files/1/0742/9740/9851/files/Synthetic-Gut_16-Yellow.jpg?v=1777391961"],"price":4.99,"currency":"USD","in_stock":true,"inventory_qty":69993,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:58.879Z"},"share_url":"https://firestarter.network/l/lst_slpNxSnk","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_slpNxSnk' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy GAMMA Synthetic Gut' and a budget_max comfortably above $4.99 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."]}}