{"type":"firestarter.listing","listing":{"id":"lst_k8c8z-mt","product_name":"Axis Stringer - Black/White","category":"Stringers","description":"This classic racerback stringer feels ultra soft, offering breathability and next-level comfort. Made with lightweight sweat-wicking fabric to repel moisture and heat, the Axis Stringer is essential for any bodybuilder or gym-goer. Features a custom 3D raised rubber skull on the front middle chest.\n The Model is 5'11\", 187lbs, wearing a size Large.\n This item is final sale. Please reference the size chart for accurate sizing -- returns/exchanges are not accepted.","images":["https://cdn.shopify.com/s/files/1/0752/5585/products/ascend-stringer-blackwhite.jpg?v=1668621658","https://cdn.shopify.com/s/files/1/0752/5585/products/ascend-stringer-blackwhite-full.jpg?v=1668621659","https://cdn.shopify.com/s/files/1/0752/5585/products/ascend-stringer-back_58fbeb0c-968e-4f68-82ca-936938afef28.jpg?v=1668621658"],"price":28,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:03.045Z"},"share_url":"https://firestarter.network/l/lst_k8c8z-mt","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_k8c8z-mt' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Axis Stringer - Black/White' and a budget_max comfortably above $28.00 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."]}}