{"type":"firestarter.listing","listing":{"id":"lst_8knKWw76","product_name":"embroidery transfer pen","category":"supplies","description":"use this water soluble embroidery transfer pen to trace or copy your design onto light fabric. then, when you’ve finished stitching, just spray or wash it away!\ntrace design onto fabric, then stitch over the lines!\n\nblue ink is water soluble and removes easily with water\nideal for light colored fabrics\n","images":["https://cdn.shopify.com/s/files/1/0253/4939/0417/files/DMCpen.jpg?v=1706557917","https://cdn.shopify.com/s/files/1/0253/4939/0417/files/DMCpen2.jpg?v=1706557917"],"price":3.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:25.357Z"},"share_url":"https://firestarter.network/l/lst_8knKWw76","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_8knKWw76' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy embroidery transfer pen' and a budget_max comfortably above $3.50 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."]}}