{"type":"firestarter.listing","listing":{"id":"lst_6Jf1tU1N","product_name":"Old Man Mountain Fit Kit - Rear Axle","category":null,"description":"Don't have mounts for a rack on your frame? No problem! Old Man Mountain Fit Kits replace your rear axle with a specially-machined one that you can use to mount any OMM rack. The Fit Kit includes everything you need, including mounting pucks and ultra-strong zip ties.\nTo determine which Fit Kit you need, click here to use OMM's Fit Finder.\nThru-axle mounting is also recommended for the most durable setup possible - so if you just want the piece of mind of your rack resting directly on the axle rather than an M5 bolt, there's nothing wrong with adding a fit kit even if your frame has rack mounts!","images":["https://cdn.shopify.com/s/files/1/0610/6529/8090/files/omm-fit-kit-rear-axle.jpg?v=1775961008"],"price":68,"currency":"USD","in_stock":true,"inventory_qty":219978,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:43.034Z"},"share_url":"https://firestarter.network/l/lst_6Jf1tU1N","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_6Jf1tU1N' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Old Man Mountain Fit Kit - Rear Axle' and a budget_max comfortably above $68.00 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."]}}