{"type":"firestarter.listing","listing":{"id":"lst_P-JRPTTp","product_name":"GAMMA Synthetic Gut w/WearGuard","category":"Tennis String","description":"An all-around performance string that offers a balance of playability and extra durability for all playing levels and styles.","images":["https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-wwearguard-gsgw612-775564.jpg?v=1761149295","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-wwearguard-gsgw612-258993.jpg?v=1761149298","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-wwearguard-gsgw613-762200.jpg?v=1761149298","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-wwearguard-gsgw611-205984.jpg?v=1761149301","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-wwearguard-gsgw615-929225.jpg?v=1761149301","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-wwearguard-gsgw610-182696.jpg?v=1761149304","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-wwearguard-gsgw614-330382.jpg?v=1761149305","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-wwearguard-gsgw712-423953.jpg?v=1761149307","https://cdn.shopify.com/s/files/1/0742/9740/9851/products/gamma-synthetic-gut-wwearguard-gsgw710-547960.jpg?v=1761149307"],"price":5.49,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:59.148Z"},"share_url":"https://firestarter.network/l/lst_P-JRPTTp","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_P-JRPTTp' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy GAMMA Synthetic Gut w/WearGuard' and a budget_max comfortably above $5.49 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."]}}