mcpcost

io.github.Skillproofdev/skillproof

skillproof

Is the io.github.Skillproofdev/skillproof MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.

Check whether a Claude Code skill was tested and whether it works before installing it.

alive probed 2026-11-15 · unchanged since 2026-11-01

2tools
486tokens in Claude
0.2 %of Claude's 200k window
0.2×the median server
308 msto initialize
7 msto list tools
Run it
npx -y skillproof-mcp@1.0.1 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
skillproof 1.0.0
Capabilities
tools
Instructions
none
Of a 1M window
<0.1 % of a 1M context window
Count
486 tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 504. The o200k_base estimate is 287. Counted again when the tool definitions change. Method.
Repository
https://github.com/Skillproofdev/skillproof-mcp
Website
https://skillproof.dev
Registry
active, updated 2026-07-14 · registry entry
Changes
2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.69×.

Tool≈ Claude tokenso200k estimateShare of this server
find_skill34720571 %
check_skill1398229 %

Compare this server with others.

More servers

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention installing or whether.

History

We add a row when the result changes. A server with no change keeps its last row.

ProbedResultInitToolsClaudeo200k
2026-10-25 06:56alive211 ms2486287
2026-10-18 06:43alive308 ms2287

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mcpcost: alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

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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.

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