mcpcost

io.github.Praxso/attested

attested

Is the attested MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-03.

Run tests into a Sigstore-signed receipt; get a redacted failure packet on red. No images posted.

alive probed 2026-11-14 · unchanged since 2026-11-03

3tools
1.0ktokens in Claude Opus 5.5
0.5 %of Claude's 200k window
0.4×the median server
84 msto initialize
2 msto list tools
Run it
npx -y @praxso/attested-mcp@0.1.2 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
attested 0.1.2
Capabilities
tools
Instructions
92 characters
Of a 1M window
0.1 % of a 1M context window
Count
1.0k tokens in Claude Opus 5.5, exact, measured 2026-11-03. With the Claude Code prefix mcp__…__ on each tool name: 1.1k. The o200k_base estimate is 659. Counted again when the tool definitions change. Method.
Repository
https://github.com/Praxso/attested
Website
https://github.com/Praxso/attested
Registry
active, updated 2026-11-02 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.59×.

Tool≈ Claude tokenso200k estimateShare of this server
attested_run47029645 %
attested_status43227241 %
attested_packet1459114 %

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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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Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

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