{"type":"firestarter.listing","listing":{"id":"lst_YHYxShEr","product_name":"Heart of Silver Signet | Recycled Sterling Silver","category":"Rings","description":"Show off your Heart of Silver with this unique signet. Crafted from recycled sterling silver, this ring is made to order in any size. \nAlso available in 14k gold. \nWhat makes this piece special?\nEach piece in the Mithril Collection was selected out of thousands of molds designed by Mithril Jewelry store in Lexington, KY after their retirement.  From those molds, we cast each piece from recycled sterling silver or recycled 14k gold to bring new life to our favorite designs.\nSizing: Available in all US sizes. Questions? Contact us.","images":["https://cdn.shopify.com/s/files/1/0245/6344/9908/files/IMG_0784-2.jpg?v=1700848419","https://cdn.shopify.com/s/files/1/0245/6344/9908/files/IMG_0728.jpg?v=1700848419","https://cdn.shopify.com/s/files/1/0245/6344/9908/files/IMG_0730.jpg?v=1700848419"],"price":85,"currency":"USD","in_stock":true,"inventory_qty":439956,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:35.876Z"},"share_url":"https://firestarter.network/l/lst_YHYxShEr","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 ","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_YHYxShEr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Heart of Silver Signet | Recycled Sterling Silver' and a budget_max comfortably above $85.00 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."]}}