io.github.driveate/wheel-size-mcp
Wheel Fitment API
Is the Wheel Fitment API MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.
Official MCP server for vehicle wheel and tire fitment data from wheel-size.com
alive probed 2026-11-14
22tools
24ktokens in Claude Opus 5.5
12.2 %of Claude's 200k window
9.7×the median server
9.0 sto initialize
569 msto list tools
- Run it
- uvx wheel-size-mcp@0.7.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- wheel-size-api 4.2.0
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 4 264 characters
- Of a 1M window
- 2.4 % of a 1M context window
- Count
- 24k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 25k. The o200k_base estimate is 14k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/driveate/wheel-size-mcp
- Registry
- active, updated 2026-09-17 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.75×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| ws_list_modifications | 2 505 | 1 435 | 10 % |
| ws_calculate_upsteps | 1 744 | 999 | 7 % |
| ws_search_by_rim | 1 664 | 953 | 7 % |
| ws_find_vehicle_modifications_for_package | 1 596 | 914 | 7 % |
| ws_find_vehicles_for_rim | 1 561 | 894 | 6 % |
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Servers that mention wheel.
- YieldLord · 包租公 app.baozugong/landlord · alive
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- The Wheel Atlas com.thewheelatlas/wheel-atlas · alive
- GameFork MCP io.gamefork/mcp · needs auth
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Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- This server is in the heaviest 10 % of the registry. Its 5 most expensive tools are 37 % of the cost. Shorter descriptions, fewer optional parameters and fewer tools cut the cost. The command npx mcpcost --url <endpoint> --tools 50 lists every tool with its cost.