{"type":"firestarter.listing","listing":{"id":"lst_m4XjLQBM","product_name":"Gym Chalk","category":"Chalk","description":"What You Need To Know About Gym Chalk for Weightlifting and Gymnastic Training\r100% pure chalk keeps hands dry for a secure grip. One lb box contains eight 2 oz. blocks.\r\rKeeps hands dry for a better grip when doing weightlifting or gymnastic training.\rSold in 8 individual 2oz blocks, keep a block in your home gym, in your bag, etc.\r\rPackage Contents and Specifications\r\r\rContents: 8 - 2oz. Blocks of Gym Chalk\r\rWeight: 1 lb\r\rMaterial: Magnesium Carbonate\r\rOrigin: May vary by batch.\r","images":["https://cdn.shopify.com/s/files/1/0049/4272/files/Gym-Chalk-Fringe-Sport-106782973.jpg?v=1718668848","https://cdn.shopify.com/s/files/1/0049/4272/files/Gym-Chalk-Fringe-Sport-106783069.jpg?v=1718668855","https://cdn.shopify.com/s/files/1/0049/4272/files/Gym-Chalk-Fringe-Sport-106783161.jpg?v=1718668852"],"price":18,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:45.139Z"},"share_url":"https://firestarter.network/l/lst_m4XjLQBM","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_m4XjLQBM' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gym Chalk' and a budget_max comfortably above $18.00 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."]}}