CheckFitment
CheckFitment for AI Assistants: ChatGPT, Claude, MCP
Use the CheckFitment bolt pattern, wheel fitment, tire size, spacer and gear ratio tools in ChatGPT, Claude or any MCP client. Public endpoint, no login.
CheckFitment runs one public MCP server (Model Context Protocol) with the same maths and vehicle dataset as this site: bolt patterns and wheel specs by vehicle, wheel and tire fitment, tire size changes and speedometer error, wheel spacers and gear ratios. Transport: MCP Streamable HTTP, stateless JSON-RPC 2.0 over HTTPS POST. The optional src query parameter names the client ( chatgpt , claude , gemini , gworkspace or mcp ).
Pricing & access
CheckFitment has a free tier, with paid plans unlocking more. Check checkfitment.com for current plans.
Frequently asked questions
What is CheckFitment?
CheckFitment is checkFitment for AI Assistants: ChatGPT, Claude, MCP. Use the CheckFitment bolt pattern, wheel fitment, tire size, spacer and gear ratio tools in ChatGPT, Claude or any MCP client. Public endpoint, no login.
Is CheckFitment free?
CheckFitment has a free tier, with paid plans unlocking more.
What are the best CheckFitment alternatives?
People comparing CheckFitment also look at Bot403, Cypher eSIM, Reuily, Zalcro. See all options in the Developer Tools category on SiftFox.
Work on CheckFitment?
Claim this profile for free - instant with a work email at checkfitment.com.
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