{"type":"firestarter.listing","listing":{"id":"lst_81GSvyft","product_name":"Rectangular Signet Ring","category":"Rings","description":"Our classic signet got an angular upgrade. The rectangular face of this signet ring features a matte finish and is solid all the way through so it's comfortable to wear all day everyday. The band is polished to a mirror finish for optimal shine. Crafted from recycled 14k gold or 950 platinum this band is both durable and sustainable.\nNeed help deciding between Platinum and White Gold? Check out our blog!","images":["https://cdn.shopify.com/s/files/1/2065/2103/files/yellow-gold-rectangle-signet-ring.jpg?v=1715988212","https://cdn.shopify.com/s/files/1/2065/2103/files/gold-rectanglular-signet-band-ring.jpg?v=1760578634","https://cdn.shopify.com/s/files/1/2065/2103/files/solid-gold-rectanglular-signet-ring.jpg?v=1760578635","https://cdn.shopify.com/s/files/1/2065/2103/files/14k-rectanglular-signet-band-ring.jpg?v=1760578635","https://cdn.shopify.com/s/files/1/2065/2103/files/14k-gold-rectanglular-signet-ring.jpg?v=1760578635","https://cdn.shopify.com/s/files/1/2065/2103/files/solid-gold-signet-rings-collection_1.jpg?v=1760578635","https://cdn.shopify.com/s/files/1/2065/2103/files/white-gold-rectangle-signet-ring.jpg?v=1760578635","https://cdn.shopify.com/s/files/1/2065/2103/files/rose-gold-rectangle-signet-ring.jpg?v=1760578635","https://cdn.shopify.com/s/files/1/2065/2103/files/champagne-gold-rectangle-signet-ring.jpg?v=1760578635","https://cdn.shopify.com/s/files/1/2065/2103/files/950-platinum-rectangle-signet-ring.jpg?v=1760578635"],"price":1362,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:42.983Z"},"share_url":"https://firestarter.network/l/lst_81GSvyft","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_81GSvyft' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Rectangular Signet Ring' and a budget_max comfortably above $1362.00 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."]}}