Axiom Calculator

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Free MCP server for Claude with math and financial calculation tools — unit conversion, currency math, compound interest, statistics.

автор: vdalhambra

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Описание

Free MCP server for Claude with math and financial calculation tools — unit conversion, currency math, compound interest, statistics.

README

Personal finance calculators for Claude and AI agents — mortgage payments, compound interest, FIRE retirement number, loan comparison, debt payoff, and inflation-adjusted returns.

Zero API keys. Zero setup. Works instantly with any MCP client.

PyPI License: MIT

Tools (8 total)

Tool	What it does
`mortgage_calculator`	Monthly payment, total interest, 12-month amortization schedule
`rent_vs_buy`	Compare total cost of renting vs buying over N years (includes equity, appreciation, opportunity cost)
`compound_interest`	Project investment growth with optional monthly contributions — year-by-year table
`fire_number`	Calculate your FIRE target portfolio and years-to-retirement timeline
`inflation_adjusted_return`	Real vs nominal return — see if your investments actually beat inflation
`loan_comparison`	Compare two loans by total cost, monthly payment, and true APR (including fees)
`true_credit_cost`	Find the real APR of any financing offer, BNPL, or credit product
`debt_payoff_plan`	Payoff timeline and interest saved from extra monthly payments

Install

Claude Desktop / Claude Code

Add to your MCP config:

{
  "mcpServers": {
    "calculator": {
      "command": "uvx",
      "args": ["axiom-calculator-mcp"]
    }
  }
}

Any MCP client (stdio)

uvx axiom-calculator-mcp

From source

git clone https://github.com/vdalhambra/axiom-calculator-mcp
cd axiom-calculator-mcp
uv run axiom-calculator

Example usage

Once connected, just ask Claude naturally:

"I'm looking at a $450,000 house with 20% down at 6.8% for 30 years. What's my monthly payment and total interest?"

"Compare a 15-year loan at 6.2% vs 30-year at 6.8% for $380,000. Which is better overall?"

"I spend $48,000/year. How much do I need to retire, and how long will it take if I save $24,000/year?"

"I have $8,500 in credit card debt at 22% APR. How long to pay it off at $250/month, and how much do I save if I add $100/month extra?"

Why this exists

Most finance calculators are either locked behind paywalls, require accounts, or are ad-stuffed websites. This MCP gives Claude direct access to accurate financial math — no API keys, no rate limits, no middleman.

Part of the Axiom MCP suite

FinanceKit MCP — Stock quotes, fundamentals, crypto, insider transactions
SiteAudit MCP — SEO audits, Core Web Vitals, backlink analysis

License

MIT — free to use, modify, and distribute.

from github.com/vdalhambra/axiom-calculator-mcp

Установить Axiom Calculator в Claude Desktop, Claude Code, Cursor

Рекомендуется · одна команда, все IDE

unyly install axiom-calculator-mcp

Ставит в Claude Desktop, Claude Code, Cursor и VS Code — сам разбирается с npx, uvx и сборкой из исходников.

Впервые? Поставь CLI: curl -fsSL https://unyly.org/install | sh

Или настроить вручную

Выполни в терминале:

claude mcp add axiom-calculator-mcp -- uvx axiom-calculator-mcp

Пошаговые гайды: как установить Axiom Calculator

Установить Axiom Calculator в Claude Desktop Установить Axiom Calculator в Claude Code Установить Axiom Calculator в Cursor Установить Axiom Calculator в VS Code

FAQ