mcpcost

io.github.Incultnitollc/mcp-probe

mcp-probe

Is the io.github.Incultnitollc/mcp-probe MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.

Inspect and score any MCP server 0-100 on publishability, schema and protocol before publish.

alive probed 2026-11-14 · unchanged since 2026-10-27

2tools
652tokens in Claude Opus 5.5
0.3 %of Claude's 200k window
0.3×the median server
365 msto initialize
7 msto list tools
Run it
npx -y @incultnitollc/mcp-probe@1.2.0 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
mcp-probe 1.1.2
Capabilities
tools
Instructions
none
Of a 1M window
<0.1 % of a 1M context window
Count
652 tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 674. The o200k_base estimate is 366. Counted again when the tool definitions change. Method.
Repository
https://github.com/incultnitollc/mcp-probe
Registry
active, updated 2026-08-09 · 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, 1.78×.

Tool≈ Claude tokenso200k estimateShare of this server
score_server35820155 %
probe_server29416545 %

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Servers that mention probe.

History

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

ProbedResultInitToolsClaudeo200k
2026-10-27 06:56alive320 ms2652366
2026-10-20 06:42alive365 ms2366

Badge for the README

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.

For the publisher