{"type":"firestarter.listing","listing":{"id":"lst_1ptYjpox","product_name":"Gravgear - Grav Resistance Band - Medium (100lb)","category":"Pull Up Bands","description":"\n\nNatural latex construction: Provide reliable stretch to train back, core, arms, and legs in functional workouts and styles.\n\nFull body training: Target back, core, glutes, and legs to build strength in calisthenics and cross-training.\n\nAll training styles compatibility: Support calisthenics, cross-training, and rehab to improve control and form during sets and progressions.\n\nResistance for strength: Deliver tension to strengthen back and core during pull-ups and front levers to perform assisted reps.\n\nRehab-ready design: Provide controlled assistance to support movement and improve form during recovery routines and sessions.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/grav-resistance-band-medium2-min.jpg?v=1780597988","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/grav-resistance-band-medium6-min.jpg?v=1780597989","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/grav-resistance-band-medium3-min.jpg?v=1780597989","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/resistance-band-recommendation-min_dc6709f6-06af-4997-acd4-f27afe205d35.jpg?v=1780597989","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/grav-resistance-band-medium1-min.jpg?v=1780597989"],"price":24.9,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:03.222Z"},"share_url":"https://firestarter.network/l/lst_1ptYjpox","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_1ptYjpox' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gravgear - Grav Resistance Band - Medium (100lb)' and a budget_max comfortably above $24.90 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."]}}