{"type":"firestarter.listing","listing":{"id":"lst_yZ2mXQ9o","product_name":"Little Brothers Guild T-Shirt — Vintage Style Sibling Crew Tee","category":"T-Shirt","description":"The Little Brothers Guild T-Shirt is a soft, lightweight tee with a warm, homespun vibe — a cozy everyday staple for anyone who collects memories with their crew. Muted cream and chalk-style lettering give it the feel of something you've had for years, even on the first wear.\nFabric: soft lightweight jersey — breathable and comfortable all day\nAvailable in Black and Dark Heather, sizes S–2XL\nVintage \"Little Brothers Guild\" sibling crew graphic with lasting DTG print quality\nCare: machine wash cold, tumble dry low\nA great birthday gift for little brothers, sibling bonding tees, or any crew that runs together and keeps each other's secrets.","images":["https://cdn.shopify.com/s/files/1/0796/2617/4720/files/20260608023428-1f162e29-29e7-64d6-a8c2-467d2a0b8d0e.png?v=1780887061","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/20260608024441-1f162e3f-ff4b-6ca6-aa42-ce8127df7ef0.jpg?v=1780887062","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/20260608024442-1f162e40-032c-66ea-808b-ba81416cd67f.jpg?v=1780887062","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/1607071990230103287_2048.jpg?v=1780887063","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/20260608024441-1f162e40-01b3-6426-bfa1-ca8490edd909.jpg?v=1780887064","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/4060429820774304323_2048.jpg?v=1780887066","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/20260608024441-1f162e40-0080-6e5a-a9e7-e660c4264bf0.jpg?v=1780887066","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/15756395158162030516_2048.jpg?v=1780887068","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/20260608024441-1f162e3f-ff87-6d82-b137-e660c4264bf0.jpg?v=1780887068","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/7813468672442419839_2048.jpg?v=1780887070","https://cdn.shopify.com/s/files/1/0796/2617/4720/files/10129575681355118506_2048.jpg?v=1780887071"],"price":26.99,"currency":"USD","in_stock":true,"inventory_qty":99990,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:04.411Z"},"share_url":"https://firestarter.network/l/lst_yZ2mXQ9o","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_yZ2mXQ9o' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Little Brothers Guild T-Shirt — Vintage Style Sibling Crew Tee' and a budget_max comfortably above $26.99 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."]}}