{"type":"firestarter.listing","listing":{"id":"lst__x3dN6Bg","product_name":"John Lennon Kids Guitar - Ukulele Strap","category":"Accessories","description":"Featuring a curated selection of his original animal illustrations, the John Lennon Signature Collection includes limited-edition picks and a children's guitar strap that's also suitable for adult ukuleles. scaled down for younger players. With an adjustable length from 28\" to 48\", it offers lightweight comfort, durable construction, and a creative connection to one of music’s most imaginative voices.","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_15JL001_main1_transparent_web.png?v=1773014170","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_15JL001_detail1a_transparent_web.png?v=1773014170","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_15JL001_detail2a_transparent_web.png?v=1773014171"],"price":16.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.641Z"},"share_url":"https://firestarter.network/l/lst__x3dN6Bg","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__x3dN6Bg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy John Lennon Kids Guitar - Ukulele Strap' and a budget_max comfortably above $16.99 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."]}}