{"type":"firestarter.listing","listing":{"id":"lst_6wB069Wu","product_name":"Gymshark Vital Sports Bra - GS Medium Grey/ Marl","category":"Womens>Apparel>Sports Bras>scoop_neck","description":"VITAL. EVERY TIME.HIIT staples, Pilates must-haves, lifting fits, running essentials...Vital’s the gym girl go-to every time.\nContouring mesh dots shape your physique\nBreathable &amp; sweat-wicking to keep you cool\nDurable, supportive seamless fabric\nFlattering sweetheart neckline\nSwan hooks on the straps so you can cross the back over\nAdjustable straps for a comfy fit\nRemovable cups so you can customise your support &amp; coverage\nSIZE &amp; FIT\nLight support\nModel is 5'8\" and wears S\nMATERIALS &amp; CARE96% Nylon, 4% ElastaneSKU:  B5C7S-GD0K","images":["https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessNewSportsBraGSMediumGreyMarlB5C7S_GD0K_0401_V2.jpg?v=1769547473","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessNewSportsBraGSMediumGreyMarlB5C7S_GD0K_0414_V2.jpg?v=1769547473","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessNewSportsBraGSMediumGreyMarlB5C7S_GD0K_0408_V2.jpg?v=1769547473","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessNewSportsBraGSMediumGreyMarlB5C7S_GD0K_0421_V2.jpg?v=1769547473","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessNewSportsBraGSMediumGreyMarlB5C7S_GD0K_0415_V2.jpg?v=1769547473","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessNewSportsBraGSMediumGreyMarlB5C7S_GD0K_0418_V2.jpg?v=1769547473"],"price":26.6,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:24.047Z"},"share_url":"https://firestarter.network/l/lst_6wB069Wu","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_6wB069Wu' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gymshark Vital Sports Bra - GS Medium Grey/ Marl' and a budget_max comfortably above $26.60 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."]}}