{"type":"firestarter.listing","listing":{"id":"lst_7BobB7j_","product_name":"Serious Steel Fitness - 2.5 lb Brick","category":"Resistance Bands","description":"\n  \nMicroloading design: Deliver safe, scientific strength gains and steady progress across lifts.\n  \n2.5 lb brick add-on: Improve lifts by small jumps to break plateaus and train through sticking points.\n  \nPatented magnetic hold: Ensure a secure set up on steel or cast iron plates and weight stacks for reliable training.\n  \nProtective coating: Keep dumbbells, machines, and PlateMates free from scratches during training and storage.\n  \nGradual-load therapy: Support tendon and muscle rehab by adding small steps that strengthen safely over time.\n  \n7/8 in × 2 1/8 in × 7 1/8 in size: Set up microloads on selectorized machines to train progressively.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/PlateMate-2.5lb-Brick_Main-Image_2022_1.jpg?v=1780586312","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/PlateMate-2-5lb-Brick_On-Weight-Stack-Faded_1.jpg?v=1780586317","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/PlateMate-2-5lb-Brick_On-Weight-Stack_1.jpg?v=1780586312","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2.5-Brick-Spec-Page_2019-1_ec4a2502-616a-4d89-8a0c-2be5416d4657.jpg?v=1780586312"],"price":49.9,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:04.545Z"},"share_url":"https://firestarter.network/l/lst_7BobB7j_","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_7BobB7j_' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Serious Steel Fitness - 2.5 lb Brick' and a budget_max comfortably above $49.90 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."]}}