{"type":"firestarter.listing","listing":{"id":"lst_q89bOM1P","product_name":"Mechanic's Stethoscope","category":"General Purpose Auto Tools","description":"This Powerbuilt Mechanic's Stethoscope is great for diagnostic engine work and troubleshooting issues. Use this stethoscope to easily identify damaged valvetrains, bearings, transmissions gears, piston slaps, gaskets and more. Includes two probes to pinpoint the source of noise coming from faulty parts.\nAny specialty tool will help make an automotive repair or maintenance task easier, but Powerbuilt products take the concept of ‘help’ a big step further.  Every package comes with professionally written usage instructions that take you step by step through proper tool usage.\n \n\nDiagnose engine issues in valvetrains, bearings, transmissions, gears and more\nInclude two probes to pinpoint the source of problem noises\nMeets or Exceeds ANSI standards\nPowerbuilt tools maximize style, form and performance\n\n","images":["https://cdn.shopify.com/s/files/1/0443/2681/3852/files/640582-01.jpg?v=1774093501","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/640582-02.jpg?v=1774093501","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/640582-b.png?v=1774093501","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/640582-c.png?v=1774093501","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/640582-05.jpg?v=1774093501"],"price":14.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:27:12.871Z"},"share_url":"https://firestarter.network/l/lst_q89bOM1P","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_q89bOM1P' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mechanic's Stethoscope' and a budget_max comfortably above $14.95 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."]}}