{"type":"firestarter.listing","listing":{"id":"lst_F1jKjY0y","product_name":"University of Michigan Heavyweight Cotton Terry Crewneck","category":"Sweatshirts_Crew","description":"THROWBACK CREWNECK BASED ON VINTAGE UNIVERSITY OF MICHIGAN  SWEATSHIRTS\nHistory: Back in the ‘40s, Michigan head coach Fritz Crisler oversaw football’s first implementation of a ‘two-platoon’ system, separating the team into offensive and defensive specialists. This bold new strategy helped his 1947 squad to dominate USC 49-0 in the Rose Bowl and finish the season undefeated, a feat they would repeat the following year to bring home back-to-back national championships and cement Michigan’s place as a powerhouse in college football history.\nFor our vintage-style Michigan crewneck, we dug into the archives and found this graphic from the ‘80s, which pairs perfectly with our looser-fitting, heavyweight cotton pullover.\n ","images":["https://cdn.shopify.com/s/files/1/1487/1618/files/20250805_EBBETSFIELD2795_6a0af368-8630-402f-8f6d-e1242073ab42.jpg?v=1754583427","https://cdn.shopify.com/s/files/1/1487/1618/files/88395_MYO_021_01.jpg?v=1755257894","https://cdn.shopify.com/s/files/1/1487/1618/files/20250805_EBBETSFIELD2797_e66f7634-1f42-439c-9ede-613ab3d9cda7.jpg?v=1755257894"],"price":89,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:38.844Z"},"share_url":"https://firestarter.network/l/lst_F1jKjY0y","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_F1jKjY0y' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy University of Michigan Heavyweight Cotton Terry Crewneck' and a budget_max comfortably above $89.00 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."]}}