{"type":"firestarter.listing","listing":{"id":"lst_k_6gLnrs","product_name":"The Del Mar T-Shirt","category":null,"description":"Wear your nerd heart on your sleeve—wait, we mean chest. Our Nerdy Do-Gooder Book Club T-Shirt is crafted from premium 6 oz. SUPIMA® cotton, so it’s ultra soft for maximum comfort. Doing good has never looked so good.\nSize guide\n\n\n\n\n \nLENGTH (inches)\nWIDTH (inches)\nCHEST (inches)\n\n\n\n\n\n\n\n\nS\n28\n18\n34-37\n\n\nM\n29\n20\n38-41\n\n\nL\n30\n22\n42-45\n\n\nXL\n31\n24\n46-49\n\n\n2XL\n32\n26\n50-53\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0460/9140/3425/files/WomensWhite3_1_1.webp?v=1755892127","https://cdn.shopify.com/s/files/1/0460/9140/3425/files/WomensWhite7.jpg?v=1755891750","https://cdn.shopify.com/s/files/1/0460/9140/3425/files/WomensWhite1_2dedeb25-1016-4473-9bcf-b681fa4ff790.jpg?v=1755891750","https://cdn.shopify.com/s/files/1/0460/9140/3425/files/WomensWhite2.jpg?v=1755891750","https://cdn.shopify.com/s/files/1/0460/9140/3425/files/WomensWhite4.jpg?v=1755891750","https://cdn.shopify.com/s/files/1/0460/9140/3425/files/WomensWhite5.jpg?v=1755891750","https://cdn.shopify.com/s/files/1/0460/9140/3425/files/WomensWhite6.jpg?v=1755891750"],"price":35,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:57.376Z"},"share_url":"https://firestarter.network/l/lst_k_6gLnrs","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_k_6gLnrs' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy The Del Mar T-Shirt' 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."]}}