{"type":"firestarter.listing","listing":{"id":"lst_V4xQQ6Ie","product_name":"Bolt Action Back Piece","category":"Spare Part","description":"Replacement back pieces for Bolt Action pens. Materials can be mixed and matched between pens but please be sure to select the correct diameter of pen (Standard vs. Slim vs. Thick) as they are not interchangeable.","images":["https://cdn.shopify.com/s/files/1/0082/2840/5353/files/back_pieces.jpg?v=1757529122","https://cdn.shopify.com/s/files/1/0082/2840/5353/files/titanium_back_piece_7bc35c86-23cb-47d3-92c9-3b0443a2a15e.jpg?v=1757529229","https://cdn.shopify.com/s/files/1/0082/2840/5353/files/stonewashed_back_piece.jpg?v=1757529237","https://cdn.shopify.com/s/files/1/0082/2840/5353/files/copper_back_piece.jpg?v=1757529241","https://cdn.shopify.com/s/files/1/0082/2840/5353/files/bronze_back_piece.jpg?v=1757529249","https://cdn.shopify.com/s/files/1/0082/2840/5353/files/zirconium_back_piece.jpg?v=1757529254"],"price":15,"currency":"USD","in_stock":true,"inventory_qty":99990,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:17.893Z"},"share_url":"https://firestarter.network/l/lst_V4xQQ6Ie","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_V4xQQ6Ie' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Bolt Action Back Piece' and a budget_max comfortably above $15.00 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."]}}