{"type":"firestarter.listing","listing":{"id":"lst_y--p1MpS","product_name":"Cassady Sun Lowercase x Tellason","category":"Sunglasses","description":"Cassady gets a dose of lived-in Americana with our Marble Blue colorway, a nod to the raw denim legacy Tellason built in the heart of San Francisco. Whether you’re navigating city streets or open highways, the Cassady in Marble Blue blends intention with attitude. Built to last and designed to stand out quietly, this frame stays true to the roots that inspired it.\n\nFeatures:\n\nHand Polished Mazzucchelli acetate from Italy\nCarl Zeiss Sun Lenses\n100% UVA/UVB Protection\nOBE German engineered 3 Barrel Hinges \nOBE Coated Screws\n\n Sizes:\n\nLens: 49 mm\nBridge: 19 mm\nTemple: 148 mm\n","images":["https://cdn.shopify.com/s/files/1/2028/3675/files/CASSADY_MBBL_S.jpg?v=1749815407","https://cdn.shopify.com/s/files/1/2028/3675/files/CASSADY_MBBL_S_A.jpg?v=1752072673"],"price":400,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:39.617Z"},"share_url":"https://firestarter.network/l/lst_y--p1MpS","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_y--p1MpS' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Cassady Sun Lowercase x Tellason' and a budget_max comfortably above $400.00 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."]}}