Wheel Fitment API MCP server
Official MCP server for vehicle wheel and tire fitment data from wheel-size.com
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If you have run it, two minutes of your experience saves the next person an afternoon.
Wheel Fitment API tools (22)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
ws_calculate_upstepsws_check_hf_tire_fitment_for_vehicleCheck whether a high-flotation (LT) tire size fits a specific vehicle.
ws_check_rim_fitment_for_vehicleCheck whether specific rims fit a specific vehicle (make + model, optionally year).
ws_check_tire_fitment_for_vehicleCheck whether a specific tire size fits a specific vehicle (make + model, optionally year).
ws_find_tires_for_rimFind compatible tire sizes for a given rim specification.
ws_find_vehicle_modifications_for_packageDrill down into individual trims for a generation from ws_find_vehicles_for_package.
ws_find_vehicle_modifications_for_rimDrill down into individual trims for a generation from ws_find_vehicles_for_rim.
ws_find_vehicle_modifications_for_tireDrill down into individual trims for a generation from ws_find_vehicles_for_tire.
ws_find_vehicles_for_packageFind vehicles compatible with a rim + tire package.
ws_find_vehicles_for_rimFind vehicle generations compatible with a given rim via geometric backspace calculations.
ws_find_vehicles_for_tireFind vehicle generations that use a specific tire size.
ws_get_spec_metadataGet computed geometry, population stats, and hints for a wheel/tire spec.
ws_list_generationsList generations for a make/model.
ws_list_makesList all vehicle manufacturers (makes).
ws_list_modelsList models for a given make.
ws_list_modificationsws_list_regionsList all market regions where vehicles are sold.
ws_list_yearsList available years, optionally filtered by make and model.
ws_search_by_hf_tireFind vehicles compatible with a high-flotation (LT) tire size.
ws_search_by_rimws_search_by_tireFind vehicles compatible with a given tire size (metric).
ws_search_by_vehicle
Public scan report
scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it
- Code scan18 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitystatic API keys via environment variables6/15
- Maintenancelast push 2 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year9/10
Install directly
claude mcp add wheel-size-mcp -- uvx wheel-size-mcp
Wheel Fitment API: common questions
- Is Wheel Fitment API MCP server safe?
- Yes, by our scan: it is graded A (85/100). Read the Wheel Fitment API safety report
- How do I install Wheel Fitment API?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does Wheel Fitment API need an API key?
- Yes. The registry entry asks for
WHEELSIZE_API_KEY. - Is Wheel Fitment API maintained?
- The last commit was 3 days ago (2026-09-17). The latest release is v0.7.1.