{"type":"firestarter.listing","listing":{"id":"lst_xhY63ZLs","product_name":"BRAIN CASE TEE","category":"Graphic Tees","description":"The Brain Case Tee features artwork inspired by vintage comic book illustrations. Lightweight organic cotton keeps its soft feel through regular wear.\n\n100% Organic Cotton Tee Shirt\n\nGarment Washed With Softener\nKatin Flag Label\n","images":["https://cdn.shopify.com/s/files/1/0802/7401/files/katin-su26-brain-case-tee-white-graphic-ss-tee-flat-lay-back.jpg?v=1779318006","https://cdn.shopify.com/s/files/1/0802/7401/files/WEB_Katin_Summer26_Brain_Case_Tee_Trails_Corduroy_Short_435.jpg?v=1779322343","https://cdn.shopify.com/s/files/1/0802/7401/files/katin-su26-graphic-ss-tee-brain-case-tee-white-on-model-front.jpg?v=1779138787","https://cdn.shopify.com/s/files/1/0802/7401/files/katin-su26-graphic-ss-tee-brain-case-tee-white-on-model-side.jpg?v=1779138787","https://cdn.shopify.com/s/files/1/0802/7401/files/katin-su26-graphic-ss-tee-brain-case-tee-white-on-model-back.jpg?v=1779138790","https://cdn.shopify.com/s/files/1/0802/7401/files/katin-su26-brain-case-tee-black-wash-graphic-ss-tee-flat-lay-back.jpg?v=1779318006","https://cdn.shopify.com/s/files/1/0802/7401/files/katin-su26-graphic-ss-tee-brain-case-tee-black-wash-on-model-front.jpg?v=1779138787","https://cdn.shopify.com/s/files/1/0802/7401/files/katin-su26-graphic-ss-tee-brain-case-tee-black-wash-on-model-side.jpg?v=1779138787","https://cdn.shopify.com/s/files/1/0802/7401/files/katin-su26-graphic-ss-tee-brain-case-tee-black-wash-on-model-back.jpg?v=1779138787"],"price":35,"currency":"USD","in_stock":true,"inventory_qty":99990,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:30.225Z"},"share_url":"https://firestarter.network/l/lst_xhY63ZLs","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_xhY63ZLs' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy BRAIN CASE TEE' and a budget_max comfortably above $35.00 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."]}}