AgentBuyParts.com

AgentBuyParts is an independent index of parts suppliers, distributors, and vehicle fitment data sources that publish machine-readable resources: llms.txt files, public API documentation, or MCP servers that AI agents can call. It covers auto, powersports, RV, marine, aviation, and equipment parts, and is meant as a starting point for people building AI agents.

A listing means the company publicly offers one of these resources and that we found it reachable on the date shown. It is not an endorsement, partnership, or integration. AgentBuyParts has no affiliation with any company listed here.

Listed Sources (15, last checked October 10, 2026)

Each entry links to the company's own site and to the resource it publishes. Descriptions summarize what each company says about itself.

Parts Catalogs, Ordering APIs, and Agent Tools

• Western Power Sports (Powersports) [API docs]
  URL: https://www.wps-inc.com/
  API documentation: https://wps-inc.com/data-depot/v4/api/introduction
  Description: Aftermarket powersports parts distributor. Its API covers items, inventory, brands, vehicle fitment, warehouses, carts, and orders. Free for the WPS dealer network; sign-up required.
• Parts Canada (Powersports) [API docs]
  URL: https://www.partscanada.com/
  API documentation: https://api.partscanada.com/
  Description: Powersports parts distributor. Its API covers catalogues, product images, inventory and stock lookups, and invoices. An access token comes with a Parts Canada account.
• MESPAS (Marine) [API docs]
  URL: https://www.mespas.com/
  API documentation: https://mespas.com/connect-api/doc.html
  Description: Maritime procurement platform. Its published API lets suppliers receive quote requests and orders from ship managers and connect them to their own systems.
• PartsBase (Aviation) [API docs]
  URL: https://www.partsbase.com/
  API documentation: https://apiservices.partsbase.com/docs/index
  Description: Aviation parts marketplace. Its published API covers requests for quote (RFQs), market pricing, and inventory uploads.
• PartsTech (Auto) [Integration docs]
  URL: https://www.partstech.com/
  Help article: https://partstech.my.site.com/help/s/article/How-To-Connect-ARI-With-PartsTech
  Description: Parts search and ordering platform for auto repair shops. Publishes help articles on connecting other software to its platform.
• FitsMyBoat (Marine) [MCP server]
  URL: https://www.fitsmyboat.com/
  MCP documentation: https://www.fitsmyboat.com/docs/mcp
  MCP endpoint: https://mcp.fitsmyboat.com/mcp
  Description: Marine parts catalog (formerly Boat Parts Manual) that compares retailer prices. Its read-only MCP server searches products by name, SKU, OEM number, or GTIN and lists brands and categories. Rate limits apply.

Parts Retailers with llms.txt Files

• CarParts.com (Auto) [llms.txt]
  URL: https://www.carparts.com/
  llms.txt: https://www.carparts.com/llms.txt
  Description: Online auto parts retailer. Publishes an llms.txt file describing its catalog.
• Biohazard Cycles (Powersports) [llms.txt]
  URL: https://www.biohazardcycles.com/
  llms.txt: https://www.biohazardcycles.com/llms.txt
  Description: US online retailer of motorcycle, ATV, UTV, and powersports parts and gear. Its llms.txt asks agents to use exact part numbers and not infer fitment, price, or availability.
• RV Part Shop (RV) [llms.txt]
  URL: https://rvpartshop.ca/
  llms.txt: https://rvpartshop.ca/llms.txt
  Description: Canadian online retailer of new and used RV parts and accessories, plus marine and towing parts. Its llms.txt is written as instructions for AI agents.
• Heatso (Diesel Heaters) [llms.txt]
  URL: https://heatso.com/
  llms.txt: https://heatso.com/llms.txt
  Description: Supplier of diesel heaters, water heaters, heater parts, and off-grid power systems.
• Tradelco (Industrial) [llms.txt]
  URL: https://tradelco.com/
  llms.txt: https://tradelco.com/llms.txt
  Description: Distributor of electrical and industrial automation products, including PLCs, sensors, and motion control. Its llms.txt links to a longer llms-full.txt.
• Noritz America (Water Heaters) [llms.txt]
  URL: https://noritz.com/
  llms.txt: https://noritz.com/llms.txt
  Description: Manufacturer of residential and commercial tankless water heaters and related components.
• Ice Crusher Heaters (UTV Cab Heaters) [llms.txt]
  URL: https://icecrusherheaters.com/
  llms.txt: https://icecrusherheaters.com/llms.txt
  Description: Manufacturer of machine-specific UTV cab heater kits and replacement parts.

Vehicle and Fitment Data

• VehDB [API docs + MCP server]
  URL: https://vehdb.com/
  API documentation: https://vehdb.com/docs/api
  OpenAPI spec: https://vehdb.com/openapi.json
  MCP endpoint: https://mcp.vehdb.com/mcp
  Description: Vehicle specification database covering cars, motorcycles, boats, and tire sizes, with parts-fitment use cases. Free tier (100 API calls a month) and paid plans.
• Car API [API docs]
  URL: https://carapi.app/
  API specs: https://carapi.app/features/json-api-specs/
  Description: Paid vehicle data API: year/make/model, trims, engines, VIN decoding, and a separate powersports API. Useful for matching parts to vehicles.

Not Yet Listed

When we last reviewed them (July 2026), we did not find a public llms.txt file or public ordering API for the following retailers. If that has changed, email us and we will update this page.

• Auto and marine: RockAuto, AutoZone, West Marine
• Aviation: Aircraft Spruce, SkyGeek