{"type":"firestarter.listing","listing":{"id":"lst_JeXYticR","product_name":"ROYSTON Explorer - Rx","category":"Engineering","description":"Gentlemanly without being stuffy, the Royston nods to the Goodwood Festival of Speed-the classiest car race you've ever seen. The double nose bridge on these strawberry-shaped frames shifts the Royston into a higher gear-squaring it off and giving the look a dose of dynamism.\n \nSize: EYE = 46.3mm / D.B.L =19.6mm/ TEMPLE= 144mm\n","images":["https://cdn.shopify.com/s/files/1/0874/3455/9776/files/ROYSTON-EXPLORER-16K-GOLD-CLEAR-NATIVE-SONS-INDEPENDENT-EYEWEAR-JAPAN-HANDMADE-SUNGLASSES-OPTICAL-TITANIUM-NSM-039B-FRONT_5b5708ff-a58d-49b0-8c0a-2f666c18831b.jpg?v=1722414555","https://cdn.shopify.com/s/files/1/0874/3455/9776/files/ROYSTON-EXPLORER-16K-GOLD-CLEAR-NATIVE-SONS-INDEPENDENT-EYEWEAR-JAPAN-HANDMADE-SUNGLASSES-OPTICAL-TITANIUM-NSM-039B-QUARTER_f68beab9-bdaf-45ff-9422-c31286cb9fa7.jpg?v=1722414555","https://cdn.shopify.com/s/files/1/0874/3455/9776/files/ROYSTON-EXPLORER-ANTIQUE-GOLD-CLEAR-NATIVE-SONS-INDEPENDENT-EYEWEAR-JAPAN-HANDMADE-SUNGLASSES-OPTICAL-TITANIUM-NSM-039D-FRONT_eac89a5e-74d1-4c59-bcfc-53d08a9d3abe.jpg?v=1722414558","https://cdn.shopify.com/s/files/1/0874/3455/9776/files/ROYSTON-EXPLORER-ANTIQUE-GOLD-CLEAR-NATIVE-SONS-INDEPENDENT-EYEWEAR-JAPAN-HANDMADE-SUNGLASSES-OPTICAL-TITANIUM-NSM-039D-QUARTER_e970f488-25d4-4199-82a3-050d90db4a7a.jpg?v=1722414558","https://cdn.shopify.com/s/files/1/0874/3455/9776/files/ROYSTON-EXPLORER-ANTIQUE-SILVER-CLEAR-NATIVE-SONS-INDEPENDENT-EYEWEAR-JAPAN-HANDMADE-SUNGLASSES-OPTICAL-TITANIUM-NSM-039E-FRONT.clr.jpg?v=1722414562","https://cdn.shopify.com/s/files/1/0874/3455/9776/files/ROYSTON-EXPLORER-ANTIQUE-SILVER-CLEAR-NATIVE-SONS-INDEPENDENT-EYEWEAR-JAPAN-HANDMADE-SUNGLASSES-OPTICAL-TITANIUM-NSM-039E-QUARTER.clr.jpg?v=1722414562"],"price":550,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:41.989Z"},"share_url":"https://firestarter.network/l/lst_JeXYticR","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_JeXYticR' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy ROYSTON Explorer - Rx' and a budget_max comfortably above $550.00 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."]}}