{"type":"firestarter.listing","listing":{"id":"lst_vWN6NFCI","product_name":"Understanding the Aging Foot & It's Effect on Movement","category":null,"description":"As we age, sensory acuity, tissue quality, muscle strength, and movement adaptability decline — often starting in the feet. Understanding how the aging foot affects balance and movement is critical for maintaining independence and reducing injury risk.\nWhat You’ll Learn\n\nUnderstand how osteoarthritis, especially in the great toe, impacts gait\nDescribe how sarcopenia and atrophy of foot intrinsics increases balance risk\nLearn how neuropathy and reduced foot sensation affect movement longevity\nExplore common changes in the skin and fat pads of the feet\n","images":["https://cdn.shopify.com/s/files/1/1605/2837/files/UnderstandingtheAgingFoot-PDPSquare.png?v=1778192653"],"price":0,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:43.040Z"},"share_url":"https://firestarter.network/l/lst_vWN6NFCI","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_vWN6NFCI' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Understanding the Aging Foot & It's Effect on Movement' and a budget_max comfortably above $0.00 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."]}}