{"type":"firestarter.listing","listing":{"id":"lst_qcWkM4th","product_name":"Spark Plug Wire Tester","category":"Fuel & Ignition Tools","description":"The Powerbuilt Spark Plug Wire Tester makes it quick and easy to test spark plug wires. The tool's inductive design lights up when an electrical current is detected. This spark plug wire tester helps you ensure high performance and diagnose a variety of issues.\nAny automotive specialty tool makes an automotive repair or maintenance task easier, but Powerbuilt takes the concept of ‘help’ a big step further.\nEvery package comes with professionally written usage instructions and photos that take you step by step through proper tool usage.\nDependable Powerbuilt specialty tools offer power, precision and style. They meet or exceed applicable ANSI standards and have a lifetime warranty, all at affordable prices.\n\nTest spark plug wires in a snap\nLights up when an electrical current is detected\nPrecision built to meet or exceed ANSI standards\nStrong and dependable to last a lifetime\n","images":["https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648429-01.jpg?v=1775036548","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648429-02-a.jpg?v=1775036548","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648429-03-a.jpg?v=1775036548","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648429-04-a.jpg?v=1775036548","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648429-a.png?v=1775036548","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/648429-06.jpg?v=1775036548"],"price":9.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:27:12.746Z"},"share_url":"https://firestarter.network/l/lst_qcWkM4th","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_qcWkM4th' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Spark Plug Wire Tester' and a budget_max comfortably above $9.95 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."]}}