{"type":"firestarter.listing","listing":{"id":"lst_FgHFbBXB","product_name":"Mark Bell Sling Shot- Reactive Sling Shot®","category":"Sling Shot","description":"\n\nLevel 2 stiffness: Delivers 5-10% more weight than max to build chest and triceps strength on presses.\n\nBest for 275 lb max bench: Support training to strengthen chest and triceps and build past 275 lb.\n\nForm support: Improve bench mechanics to keep tension off shoulders and keep elbows from flaring during presses.\n\nFlexible design: Perform bench press, push-ups, and dips to target chest, triceps, and shoulders.\n\nAny-load support: Provide help with body weight or added load to improve volume on bench, dips, and push-ups.\n\nSize guidance: Ensure fit with S/M under 140 lb, L 140 - 180 lb, XL 181 - 220 lb, 2XL 221 - 300 lb, 3XL over 300 lb.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WEB-REATIVE-BLUE.jpg?v=1780586062","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/untitled-49_09d9c59d-cbca-46d4-a4e1-349f389ed41c.jpg?v=1780586057","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SLINGSHOT-REACTIVE-01.jpg?v=1780586061"],"price":52,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:53.784Z"},"share_url":"https://firestarter.network/l/lst_FgHFbBXB","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_FgHFbBXB' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mark Bell Sling Shot- Reactive Sling Shot®' and a budget_max comfortably above $52.00 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."]}}