{"type":"firestarter.listing","listing":{"id":"lst_S3eY9u04","product_name":"Powerbuilt 15 Blade Metric Thickness Gauge - 648395","category":"Gauges","description":"For measuring and setting clearances on valve tappets, spark plugs and other engine components. Carbon steel blades measure from .06mm thru .70mm.","images":["https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648395-01.jpg?v=1777459241","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648395-02.jpg?v=1777459239","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648395-03.jpg?v=1777459239","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648395-04.jpg?v=1777459239","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648395-05.jpg?v=1777459239"],"price":8.91,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:27:14.229Z"},"share_url":"https://firestarter.network/l/lst_S3eY9u04","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_S3eY9u04' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Powerbuilt 15 Blade Metric Thickness Gauge - 648395' and a budget_max comfortably above $8.91 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."]}}