{"type":"firestarter.listing","listing":{"id":"lst_LQjlfH6k","product_name":"The Original Stick - Grippy Massage Ball (3\" or 5\")","category":"Massage Ball","description":"\n\nTextured surface for grip against skin and floor: Textured rubber creates more friction than a smooth lacrosse ball — stays in place against skin, hardwood, and carpet during use instead of sliding away under pressure.\n\nTwo sizes for targeted vs broad recovery: 3-inch (8 cm) for precise trigger point work on the plantar fascia, shoulder rotator cuff, and forearms; 5-inch (12 cm) for broader coverage on glutes, hip flexors, and upper back.\n\nFirm rubber construction: Dense enough to sustain pressure on knots and trigger points with slightly more give than a pure rubber lacrosse ball — effective deep tissue work without being unnecessarily aggressive.\n\nWorks against a wall, floor, or directly in hand: Multiple use positions for different muscle groups — wall for upper back, floor for glutes, hand-held for foot rolling and calves.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/8-_-12cm-Blue-Massage-Ball-Comparison_Main-Image-On-Gray_Sept-2025_1.jpg?v=1780604104","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/The-Original-Stick_Massage-Balls-Spec-Images_Sept-2025_Target-Pain-Relief_1.jpg?v=1780604104","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/The-Original-Stick_Massage-Balls-Spec-Images_Sept-2025_Reduce-Muscle-Soreness_2.jpg?v=1780604104","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/The-Original-Stick_Massage-Balls-Spec-Images_Sept-2025_Superior-Grippy-Texture_3.jpg?v=1780604103","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/The-Original-Stick_Massage-Balls-Spec-Images_Sept-2025_Two-Sizes-Available_6.jpg?v=1780604104","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/The-Original-Stick_Massage-Balls-Spec-Images_Sept-2025_3in-vs-5in-Comparison_1.jpg?v=1780604104","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/The-Original-Stick_Massage-Balls-Spec-Images_Sept-2025_Always-Ready-Recovery_5.jpg?v=1780604104","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/The-Original-Stick_Massage-Balls-Spec-Images_Sept-2025_Ideal-For-Larger-Muscles_4.jpg?v=1780604103","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/8cm-Blue-Massage-Ball_Main-Image-On-Gray_Sept-2025_1.jpg?v=1780604105","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/12cm-Blue-Massage-Ball_Main-Image-On-Gray_Sept-2025_1.jpg?v=1780604104"],"price":18.95,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:55.564Z"},"share_url":"https://firestarter.network/l/lst_LQjlfH6k","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_LQjlfH6k' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy The Original Stick - Grippy Massage Ball (3\" or 5\")' and a budget_max comfortably above $18.95 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."]}}