{"type":"firestarter.listing","listing":{"id":"lst_dCyCjyKW","product_name":"Classic Pinky Signet Ring in Brass","category":"Rings","description":"\nInspired by vintage heirlooms, cast in solid brass with two star set rubies on either side of the smooth oval face.  Perfect for personalization.\nOur classic pinky signet rings are designed for you to wear like a treasured possession. The tapered 4mm band makes for an easy, comfortable fit.","images":["https://cdn.shopify.com/s/files/1/1442/5650/products/22182f6c-2e11-40e4-a219-8f46069fcd3d.png?v=1657203716","https://cdn.shopify.com/s/files/1/1442/5650/products/Scosha_Website_Day_023250a.jpg?v=1657213501","https://cdn.shopify.com/s/files/1/1442/5650/products/021022_Scosha-JRU-313.jpg?v=1657213501","https://cdn.shopify.com/s/files/1/1442/5650/products/DUP_WR103.B.R_1.jpg?v=1657203655"],"price":100,"currency":"USD","in_stock":true,"inventory_qty":89991,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:30.716Z"},"share_url":"https://firestarter.network/l/lst_dCyCjyKW","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_dCyCjyKW' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Classic Pinky Signet Ring in Brass' and a budget_max comfortably above $100.00 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."]}}