{"type":"firestarter.listing","listing":{"id":"lst_IWMr-fN7","product_name":"Heavyweight T-Shirt ~ Heather Grey (2 Pack)","category":"Tees","description":"Our heavyweight t-shirts feature a 260 gsm combed cotton jersey that's custom knit for us in Canada. The fabric is then cut and sewn in San Francisco, CA in the same factory where our jeans are made. The tees have a triple needle coverstitched \"Never Sag\" collar that stays tight around the neck over extended wears. T-shirts ship in packs of two.\nNote: These tees are now constructed using mill-laundered jersey and shrinkage is minimal. Please check the updated measurement chart to determine your sizing.\n!split!\n!details!\n\n260 gsm jersey fabric custom knit in Canada\nTriple needle coverstitched collar\n2-pack\nMade in USA\n","images":["https://cdn.shopify.com/s/files/1/0028/6132/products/2211-NOV-3sixteen-PLAIN-TEE-GREY-FRONT.jpg?v=1668095760","https://cdn.shopify.com/s/files/1/0028/6132/products/2211-NOV-3sixteen-POCKET-TEE-GREY-BACK.jpg?v=1668095760","https://cdn.shopify.com/s/files/1/0028/6132/products/2211-NOV-3sixteen-PLAIN-TEE-GREY-D.jpg?v=1668095760"],"price":98,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:18.399Z"},"share_url":"https://firestarter.network/l/lst_IWMr-fN7","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_IWMr-fN7' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Heavyweight T-Shirt ~ Heather Grey (2 Pack)' and a budget_max comfortably above $98.00 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."]}}