{"type":"firestarter.listing","listing":{"id":"lst_K9WSrrZN","product_name":"Eff Off - Cotton Crew","category":"Socks","description":"Meet Eff Off, the perfect pair for days when patience is running low and personal space is a top priority. Featuring a bold middle finger design with just the right amount of attitude, these socks let you express yourself without saying a word. Wear them loud, wear them proud—whether it's a subtle flex under your shoes or a full-on statement when you kick your feet up. Either way, the message is crystal clear.Know what else is crystal clear? That your new socks have had a huge impact. With every purchase 1% is donated to support a nonprofit of your choice, at no extra cost.","images":["https://cdn.shopify.com/s/files/1/1884/3249/files/840267_c6fdcdfd-0046-45ef-a12d-5bd4775844e7.jpg?v=1782477913"],"price":12,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:34.260Z"},"share_url":"https://firestarter.network/l/lst_K9WSrrZN","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_K9WSrrZN' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Eff Off - Cotton Crew' and a budget_max comfortably above $12.00 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."]}}