mcpcost

io.github.Pavel-Tk/fittest

Fittest

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

Three ML interatomic potentials check a molecule: trust (Beta-posterior score, 90% CI) or DFT.

alive probed 2026-11-02 · unchanged since 2026-11-01 · HTTP 200

4tools
2.1ktokens in Claude Opus 5.5
1.1 %of Claude's 200k window
0.8×the median server
489 msto initialize
3 msto list tools
Endpoint
https://fittest-mcp.westus2.cloudapp.azure.com/mcp (streamable-http)
Host
fittest-mcp.westus2.cloudapp.azure.com
Protocol
2025-11-25
Reports itself as
fittest 0.1.0
Capabilities
experimental, prompts, resources, tools
Instructions
852 characters
Of a 1M window
0.2 % of a 1M context window
Count
2.1k tokens in Claude Opus 5.5, exact, measured 2026-11-01. With the Claude Code prefix mcp__…__ on each tool name: 2.2k. The o200k_base estimate is 1.3k. Counted again when the tool definitions change. Method.
Repository
https://github.com/Pavel-Tk/fittest
Website
https://fittest-mcp.westus2.cloudapp.azure.com/
Registry
active, updated 2026-10-31 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.64×.

Tool≈ Claude tokenso200k estimateShare of this server
check_structures1 02662748 %
explain44727321 %
swarm_status33920716 %
usage_stats32419815 %

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mcpcost: alive

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