{"type":"firestarter.listing","listing":{"id":"lst_MJWpDTzL","product_name":"Growth Tonic Base Coat","category":null,"description":"The foundation for stronger, healthier nails. This acrylic polymer–based base coat reinforces the natural nail, helping improve durability and resilience so nails can grow stronger over time.","images":["https://cdn.shopify.com/s/files/1/0244/1848/4279/files/Growth-Tonic_Bottle.png?v=1709584769","https://cdn.shopify.com/s/files/1/0244/1848/4279/files/growth-tonic_hover.png?v=1709755550"],"price":13,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:20.710Z"},"share_url":"https://firestarter.network/l/lst_MJWpDTzL","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_MJWpDTzL' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Growth Tonic Base Coat' and a budget_max comfortably above $13.00 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."]}}