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Statistics

An MCP tool from the Calculators server, hosted on mcp.hjlabs.in.

Descriptive statistics for a list of numbers: count, sum, mean, median, mode, min, max, range, variance and standard deviation (sample and population), quartiles, percentiles you ask for, skewness, and outliers by the 1.5×IQR rule.

Name on the gateway: math__statistics · read-only.

Parameters

NameTypeDescription
numbers requiredarrayThe numbers, as an array or comma/space separated text.
percentilesarrayExtra percentiles to compute, e.g. [90, 99]. Default none.

How to call it

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments
{
  "name": "math__statistics",
  "arguments": {
    "numbers": []
  }
}

Or connect the Calculators server directly, which lists 28 tools including this one:

Run in your terminal
claude mcp add --transport http hj-math https://mcp.hjlabs.in/mcp/math \
  --header "Authorization: Bearer YOUR_API_KEY"

Try asking

Use the statistics tool with numbers set to ….

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