mcp-mathtools

MCP server with 12 math & statistics tools for Claude Desktop, Cursor, and any MCP-compatible AI assistant. Precise arithmetic, statistics, unit conversion, financial calculations, and more.

Install

{
  "mcpServers": {
    "mathtools": {
      "command": "npx",
      "args": ["-y", "mcp-mathtools"]
    }
  }
}

Tools (12)

Tool	Description
calc	Evaluate math expressions safely (no eval) — supports sqrt, trig, log, etc.
statistics	Mean, median, mode, stddev, variance, range, sum
percentage	Percentage of, is-what-percent, percent change
base_convert	Convert between number bases (2–36)
unit_convert	Length, weight, temperature, data size, time
compound_interest	Compound interest with optional contributions
loan_payment	Monthly payment and total interest for loans
proportion	Solve direct and inverse proportions
prime_check	Primality test with factorization
gcd_lcm	Greatest common divisor and least common multiple
random_number	Random integers or floats in a range
matrix	Add, multiply, transpose, determinant

Zero dependencies

Only requires @modelcontextprotocol/sdk. All tools use Node.js built-ins.

Part of the MCP Toolkit

Want all 60+ tools in one server? Try mcp-all-tools.

Support

If this tool saves you time, consider supporting development:

• Buy me a coffee
• Tip via Stripe ($3)

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License

MIT