mcpcost

io.github.Thecimal/quantified-self-mcp

Quantified Self MCP

Is the Quantified Self MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.

Local-first MCP server for personal health data with privacy, statistical evidence, and provenance.

alive probed 2026-11-14

20tools
14ktokens in Claude Opus 5.5
7.1 %of Claude's 200k window
5.7×the median server
2.2 sto initialize
337 msto list tools
Run it
uvx quantified-self-mcp@0.8.0 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
Quantified Self 4.2.0
Capabilities
logging, prompts, resources, tools
Instructions
1 070 characters
Of a 1M window
1.4 % of a 1M context window
Count
14k tokens in Claude Opus 5.5, exact, measured 2026-11-14. With the Claude Code prefix mcp__…__ on each tool name: 15k. The o200k_base estimate is 8.7k. Counted again when the tool definitions change. Method.
Repository
https://github.com/Thecimal/quantified-self-mcp
Registry
active, updated 2026-11-13 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.63×.

Tool≈ Claude tokenso200k estimateShare of this server
find_metric_correlation1 2217499 %
log_measurement1 1176858 %
log_daily_metric1 0686557 %
log_workout_session9806017 %
aggregate_measurements9025536 %

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

Servers that mention quantified or self.

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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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