{"type":"firestarter.listing","listing":{"id":"lst_Z3f0sJEG","product_name":"Gymshark Back Gains Sports Bra - Black","category":"Womens>Apparel>Sports Bras>v_neck","description":"IT’S NOT YOU, IT’S YOUR SPORTS BRA\nWith lightweight, breathable designs, comfortable cups and supportive straps, you can rely on our sports bras to be there for you, and for yours.\n\n• Did someone say back day?• Crossover strappy back• Opening inside to add removable cups\nSIZE & FIT• Light support• Model is 5'9\" and wears size S\nMATERIALS & CARE• 78% Polyester , 22% Elastane\nSKU: B8A5U-BB2J","images":["https://cdn.shopify.com/s/files/1/0156/6146/files/BackGainSportsBraGSBlackB8A5U-BB2J4808_a3f10d27-ce7f-4781-a67e-323a2fcd3349.jpg?v=1709737589","https://cdn.shopify.com/s/files/1/0156/6146/files/BackGainSportsBraGSBlackB8A5U-BB2J4806_f53c0f39-1894-497c-8c14-21b7ae16d1a3.jpg?v=1709737585","https://cdn.shopify.com/s/files/1/0156/6146/files/BackGainSportsBraGSBlackB8A5U-BB2J4807_425bcce2-37d6-4b54-b648-5385e3938aa7.jpg?v=1709737586","https://cdn.shopify.com/s/files/1/0156/6146/files/BackGainSportsBraGSBlackB8A5U-BB2J4810_b245ab1b-f982-42ac-96ea-44cd0bab1021.jpg?v=1709737584","https://cdn.shopify.com/s/files/1/0156/6146/files/BackGainSportsBraGSBlackB8A5U-BB2J4811_fe2c4d36-58b0-4b4f-8e37-43683cb616f5.jpg?v=1709737587","https://cdn.shopify.com/s/files/1/0156/6146/files/BackGainSportsBraGSBlackB8A5U-BB2J4809_1693b869-43c3-492e-b13b-27b9f2737b4a.jpg?v=1709737586"],"price":30,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:19.758Z"},"share_url":"https://firestarter.network/l/lst_Z3f0sJEG","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 ","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_Z3f0sJEG' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gymshark Back Gains Sports Bra - Black' and a budget_max comfortably above $30.00 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."]}}