Databutler Stats MCP server
online · 100% uptimeExact statistics & probability: distributions, hypothesis tests, CIs, Bayesian updates, regression.
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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 postsbayes_updatewrite actionFreeDiscrete 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_intervalFreeConfidence 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_statsFreeSummary statistics for a numeric array: mean, median, sd, variance, quartiles, IQR, skewness, min/max.
distributionFreeEvaluate 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 actionFreeRun 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_regressionFreeSimple linear regression of y on x: slope, intercept, r, r², slope std error and p-value, equation.
Public scan report
scanner v0.1.10 · 2026-10-29 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 731ms20/20
- Tool poisoning6 tool descriptions checked15/15
- Auth qualityopen endpoint exposes 2 write-action tools with no auth3/15
- Maintenancelast push 3 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Findings (1)
- highWrite-action tools reachable without authentication
auth.open-write
How Databutler Stats compares
Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 81/100
- higher than 62% of 48,243 servers
- Tools
- 6
- the typical server has 7
- Tools that change things
- 33%
- typical: 0%. Fewer write tools means less an agent can break
- Uptime
- 100%
- of our recent checks; the typical remote server answers 100%
- Response time
- 59 ms
- faster than 91% of 30,027 servers
What its tools let an agent do: 4 read · 2 change
Install Databutler Stats in Claude Code, Cursor or VS Code
claude mcp add --transport http databutler-stats https://databutler.dev/api/mcp/stats
Grade history
- 2026-10-29restoreC → Bscore 81: Write-action tools reachable without authentication
Databutler Stats: common questions
- Is Databutler Stats MCP server safe?
- Mostly: it is graded B (81/100). Read the Databutler Stats safety report
- How do I install Databutler Stats?
- It runs remotely at databutler.dev. Add it to Claude Code, Cursor, VS Code or Claude Desktop 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 last commit was 10 days ago (2026-10-26). The latest release is v1.0.0.
- Is Databutler Stats up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- How does Databutler Stats compare with other MCP servers?
- safety score 81/100 (higher than 62% of 48,243 servers); tools 6 (the typical server has 7); tools that change things 33% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.