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Databutler Stats MCP server

by physics-star-cat·io.github.physics-star-cat/databutler-stats·v1.0.0
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Exact statistics & probability: distributions, hypothesis tests, CIs, Bayesian updates, regression.

C57/100grade C
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Safety scan
C57/100

full report

Adoption
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If you have run it, two minutes of your experience saves the next person an afternoon.

Databutler Stats tools (6, 2 write)

write = sends, deletes, buys or posts
  • bayes_updatewrite actionFree

    Discrete Bayesian update: given competing hypotheses each with a prior and the likelihood of the observed evidence, return normalised posteriors. Priors are renormalised to sum to 1.

  • confidence_intervalFree

    Confidence interval for a mean (t-based; from data, or n/mean/sd) or a proportion (Wilson; successes/n). kind = mean | proportion; confidence default 0.95.

  • descriptive_statsFree

    Summary statistics for a numeric array: mean, median, sd, variance, quartiles, IQR, skewness, min/max.

  • distributionFree

    Evaluate a probability distribution (normal, t, chi2, binomial, poisson): pdf/pmf and cdf at a value, and/or the quantile at a probability, plus mean & variance. Params per dist: normal {mean,sd}, t {df}, chi2 {df}, binomial {n,p}, poisson {lambda}.

  • hypothesis_testwrite actionFree

    Run a significance test and get the statistic, p-value, and a plain-language interpretation with assumptions. test = one-sample-t {data, mu0}, two-sample-t {data1, data2}, one-proportion-z {successes, n, p0}, two-proportion-z {successes1,n1,successes2,n2}, chi2-gof {observed, expected?}, chi2-independence {table}. Optional tail: two-sided (default) | greater | less; alpha default 0.05.

  • linear_regressionFree

    Simple linear regression of y on x: slope, intercept, r, r², slope std error and p-value, equation.

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1355ms20/20
  • Tool poisoning6 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 2 write-action tools with no auth3/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 57/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http databutler-stats https://databutler.dev/api/mcp/stats
Add to Cursor

Databutler Stats: common questions

Is Databutler Stats MCP server safe?
With care: it is graded C, so read the findings first (57/100). Read the Databutler Stats safety report
How do I install Databutler Stats?
It runs remotely at databutler.dev. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Databutler Stats need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Databutler Stats maintained?
The latest release is v1.0.0.
Is Databutler Stats up?
100% of our last 6 checks got an answer. We check remote servers about four times a day.

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