{"type":"firestarter.listing","listing":{"id":"lst_b-fEdxgj","product_name":"Vertigo Tremolo","category":null,"description":"\n   Discover the spiraling and hypnotic power of vintage tremolo. The Vertigo offers three distinct voices of tremolo: warm bias, choppy opto, and swirling harmonic.\n","images":["https://cdn.shopify.com/s/files/1/0938/1593/0953/files/p_vertigo_1.png?v=1757330893","https://cdn.shopify.com/s/files/1/0938/1593/0953/files/vertigo_top.png?v=1764931640","https://cdn.shopify.com/s/files/1/0938/1593/0953/files/vertigo_ins.png?v=1764931640","https://cdn.shopify.com/s/files/1/0938/1593/0953/files/vertigo_outs.png?v=1765168017"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:57.167Z"},"share_url":"https://firestarter.network/l/lst_b-fEdxgj","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_b-fEdxgj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vertigo Tremolo' and a budget_max comfortably above $199.00 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."]}}