xyz.everycalc/every-calc

up checked 2026-11-11T12:38:03.279Z

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Publisher-provided title

EveryCalc

Publisher-provided description

69 free finance, military, school and everyday calculators as MCP tools.

Summary by lookupd

Runs dozens of calculators for finance, loans, taxes, dates, health, and unit conversion, returning computed results for a given input.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http every-calc https://everycalc.xyz/mcp

Codex, remote (streamable-http)

codex mcp add every-calc --url https://everycalc.xyz/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "every-calc": {
      "url": "https://everycalc.xyz/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 69)

Publisher-provided text

• calculate_mortgage Monthly mortgage payment breakdown: principal and interest via the amortization formula, plus property tax, homeowner insurance, PMI, and HOA. Use when the user
• calculate_refinance Refinance break-even month and lifetime savings of refinancing a loan. Use when the user already has a loan and is weighing a refinance offer; it returns the br
• calculate_affordability Maximum home price affordable from household income using the 28/36 rule. Use when the user asks how much house they can afford on their income. For the payment
• calculate_loan Monthly payment, total interest, and optional amortization schedule for an amortizing loan. Use when the user wants the payment, total interest or payoff schedu
• calculate_compound_interest Future value of an investment with monthly contributions and monthly compounding. Use when the user asks how savings or an investment grows over time with regul
• calculate_percentage Percentage calculations in three modes: percent_of (x percent of y), what_percent (x is what percent of y), percent_change (change from old to new). Use when th
• calculate_tip Tip amount, bill total, and per-person split. Use when the user is tipping or splitting a restaurant bill. IMPORTANT: always show the calculator_url from the re
• calculate_salary Convert between hourly, daily, weekly, biweekly, monthly, and annual pay. Use when the user converts pay between hourly, weekly and annual figures. For take-hom
• calculate_age Exact age from a birth date to a target date, broken into years, months, and days, plus total days lived, total hours lived, the weekday of birth, and days unti
• calculate_auto_loan Monthly payment, amount financed, total interest, and total cost of a car for an auto loan after down payment and trade-in value are subtracted from the vehicle
• calculate_date_duration Inclusive number of days between two dates, plus business days after optionally excluding weekends and 2026 US federal holidays, calendar weeks, weekend days, a
• calculate_debt_payoff Simulates paying off a list of debts month by month with minimum payments plus an extra monthly payment, comparing the avalanche method (highest APR first) with
• calculate_inflation What an amount in today's dollars will buy after a number of years at a given annual inflation rate, what today's basket will cost then, the cumulative price in
• calculate_rent_vs_buy Compares the net cost of buying a home (down payment, mortgage payments, tax, insurance, and maintenance, minus principal repaid and appreciation gain) with the
• calculate_roth_vs_traditional Compares a Roth and a traditional retirement account at the same pre-tax annual contribution: the Roth invests what is left after tax today and is tax free at w
• calculate_unit_converter Converts a value between units in one category: length, weight, temperature, volume, or speed. Returns the converted result in the page's display precision, the
• calculate_word_counter Counts words, characters, characters excluding whitespace, sentences, and paragraphs in a block of text, plus estimated reading time at 200 words per minute and
• calculate_401k Projected 401k balance with employee contributions capped at 24500 per year, plus an employer match, compounded annually. Use when the user projects a 401k with
• calculate_arm_vs_fixed Worst case adjustable rate mortgage simulation with rate caps, compared with a fixed rate loan on total interest, payments, and the breakeven year. Use when the
• calculate_biweekly_mortgage Interest and time saved by paying half the monthly mortgage payment every two weeks instead of monthly. Use when the user asks what paying half the mortgage eve
• calculate_bmi_tdee Body mass index and category, Mifflin-St Jeor basal metabolic rate, total daily energy expenditure, and cut and bulk calorie targets. Use when the user asks abo
• calculate_capital_gains_tax Federal tax on ordinary income plus short term gains at ordinary rates, with long term gains stacked at the 0, 15, and 20 percent thresholds for the filing stat
• calculate_car_affordability Monthly loan payment plus running costs (insurance, fuel, and maintenance, given as annual amounts), total interest, and the five year cost of a car. Use when t
• calculate_credit_card_payoff Months and interest to clear a credit card balance with a fixed monthly payment, compared with adding an extra monthly payment. A payment that never clears the
• calculate_emergency_fund Target emergency fund for a chosen number of months of essential expenses, the remaining gap, percent funded, and months to fill it at a monthly savings rate. U
• calculate_income_tax_estimator Federal income tax after pretax deductions and the standard deduction for the filing status, with AGI, taxable income, marginal rate, and effective rate. Use wh
• calculate_lease_vs_buy Lease outlay over the lease term versus buy outlay net of equity in the car at the same point, with the winning option and the net cost difference. Use when the
• calculate_net_worth Net worth, total assets, and total liabilities from comma separated asset and liability values, with optional matching names for the largest asset and liability
• calculate_paycheck Per paycheck net pay after federal income tax, FICA (Social Security capped at 184500 of wages, Medicare, and the additional Medicare tax), a flat state tax rat
• calculate_property_tax_estimator Annual and monthly property tax from the home value minus any exemption, at the given tax rate, with assessed value and effective rate. Use when the user needs

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 282 ms
• First indexed: 2026-11-01T10:09:43.263Z
• Last seen in registry: 2026-11-01T10:09:43.263Z
• Repository: https://github.com/xOyabunx/everycalc
• Website: https://everycalc.xyz

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