{"type":"firestarter.listing","listing":{"id":"lst_rIo8zsEK","product_name":"Compression Tester","category":"Diagnostic Tools","description":"The Powerbuilt Compression Tester is a versatile tool designed for fast and accurate compression testing. It fits both 14mm and 18mm spark plug threads, and checks cylinder compression up to 300 PSI. Quickly checks the compression on vehicles and other gas-powered engines.Any 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.\nAll Powerbuilt products meet or exceed applicable ASME, ANSI and US government quality standards and are backed by a lifetime warranty on all tools.\n\nFast and accurate compression testing up to 300 PSI\nWorks on 14mm and 18mm spark plug threads\nDurable tool backed by a lifetime warranty\nMeets or exceeds ANSI standards\n\n","images":["https://cdn.shopify.com/s/files/1/0443/2681/3852/products/647000-01.jpg?v=1629367179","https://cdn.shopify.com/s/files/1/0443/2681/3852/products/647000-02.jpg?v=1629367179","https://cdn.shopify.com/s/files/1/0443/2681/3852/products/647000-03.jpg?v=1629367179","https://cdn.shopify.com/s/files/1/0443/2681/3852/products/647000-04.jpg?v=1629367179","https://cdn.shopify.com/s/files/1/0443/2681/3852/products/647000-05.jpg?v=1629367179","https://cdn.shopify.com/s/files/1/0443/2681/3852/products/647000-06.jpg?v=1629367179"],"price":30.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:27:12.437Z"},"share_url":"https://firestarter.network/l/lst_rIo8zsEK","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_rIo8zsEK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Compression Tester' and a budget_max comfortably above $30.95 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."]}}