# Vladimirwrites Nestegg Calculators MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.vladimirwrites%2Fnestegg-calculators
Registry id: `mcp-registry/io.github.vladimirwrites/nestegg-calculators`
Status: live (checked 2026-10-26T22:38:49.467Z)

## Verdict

Vladimirwrites Nestegg Calculators MCP server answered 100% of Glimind's liveness checks over 30 days, better than 42% of MCP servers, with 696 ms median handshake and 0 outages in 90 days. Its agent-readiness grade is A (92/100) across 99 tools, costing an agent about 16,213 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 100% | 42% of MCP servers |
| Median handshake latency | 696 ms | 35% of MCP servers |
| p95 handshake latency | 2327 ms | — |
| Checks in 30 days | 4,925 | — |
| Outages, 90 days | 0 | — |
| Median recovery | — | — |
| Agent-readiness score | 92/100 (A) | 73% of MCP servers |
| Tools | 99 | — |
| Tool-list size for an agent | ~16,213 tokens | 12% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "vladimirwrites-nestegg-calculators-mcp-s": {
      "type": "http",
      "url": "https://nestegg.money/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http vladimirwrites-nestegg-calculators-mcp-s https://nestegg.money/mcp
```

## Tools (99)

- `accrued-interest`: Accrued interest since the last coupon: the annual coupon pro-rated by days elapsed over the day-count basis.
- `after-tax-yield`: After-tax yield: a yield reduced by the tax rate. Percents in and out.
- `amortization`: Monthly loan amortization schedule and summary. Supports dated extra principal payments and a rate-fixed period. detail controls output size: 'summary' (default
- `annuity-fv`: Future value of an ordinary annuity. rate is the per-period rate in percent.
- `annuity-payment`: The level payment that amortizes a present value over n periods (the loan-payment formula). rate is per period.
- `annuity-pv`: Present value of an ordinary annuity (level payment at each period end). rate is the per-period rate in percent.
- `balloon-loan`: Balloon loan: payment based on a long amortization, with the balloon being the balance still due after the shorter balloon term.
- `barista-fire`: Barista FIRE: the nest egg needed when part-time income covers part of the spending, so the portfolio only funds the remainder at the safe withdrawal rate.
- `biweekly-payoff`: Biweekly mortgage acceleration: paying half the monthly payment every two weeks. Returns the biweekly payment and the months and interest saved.
- `black-scholes`: Black-Scholes price of a European call or put option, plus d1/d2. Volatility and rates in percent; optional continuous dividend yield.
- `bond-duration`: Macaulay duration (PV-weighted average time of cashflows, in years) and modified duration (price sensitivity to yield).
- `bond-price`: Price of a coupon bond given a yield: present value of the coupons plus the face at maturity.
- `break-even-units`: Break-even volume: fixed costs divided by the per-unit contribution (price - variable cost), plus the revenue at that volume.
- `budget-50-30-20`: The 50/30/20 budget split of monthly income into needs, wants, and savings.
- `cagr`: Compound annual growth rate between two values over a number of years. Returns a decimal (0.07 means 7%).
- `cap-rate`: Capitalization rate: net operating income as a percent of property value.
- `cash-on-cash`: Cash-on-cash return: annual pre-tax cash flow as a percent of the cash invested.
- `coast-fire`: Coast FIRE: whether the current nest egg, left to grow untouched to retirement, already reaches the FIRE target. Returns the target, the projected balance, whet
- `compound-interest`: Compound growth at any frequency, with an optional contribution each period (paid at period end). Generalizes future-value (periodsPerYear 1) and contributions 
- `contribution-margin`: Contribution margin per unit and as a percent of price.
- `contributions`: Future value of a fixed monthly contribution, optionally stepping up each year.
- `convexity`: Bond convexity (years^2): the curvature of price with respect to yield, used alongside duration.
- `credit-card-payoff`: Months to clear a credit-card balance at a fixed monthly payment, plus interest paid. Null when the payment can't cover the first month's interest.
- `current-ratio`: Current ratio: current assets over current liabilities.
- `current-yield`: Current yield: the annual coupon as a percent of the bond's current price.
- `de-abgeltungsteuer`: German flat tax on capital income (Abgeltungsteuer, §32d EStG) for tax years 2023-2026 with the year's Sparerpauschbetrag built in. 25% above the allowance, Sol
- `de-gross-to-net`: German net (Netto) salary from gross (Brutto). No tax tables are baked in: look up the current year's statutory figures and pass them in. Income tax (Lohnsteuer
- `de-kindergeld`: German child benefit (Kindergeld) for 2023-2026: the year's flat monthly amount per child (uniform since 2023), as monthly and annual totals.
- `de-midijob`: German Midijob / Uebergangsbereich (paragraph 20 Abs. 2a SGB IV) for 2023-2026: classifies a monthly pay as Minijob / Midijob / regular against the year's thres
- `de-net-salary`: Exact German net (Netto) salary from annual gross (Brutto) for tax years 2023-2026. Income tax and Soli follow the official BMF Programmablaufplan for the year 
- `de-rentenpunkte`: German pension points (Entgeltpunkte, paragraph 63 SGB VI) for 2023-2026: points earned from an annual gross via the year's Durchschnittsentgelt (capped at the 
- `debt-payoff`: Multi-debt payoff plan under a fixed monthly budget. method 'avalanche' (highest rate first) minimizes interest; 'snowball' (smallest balance first) clears acco
- `declining-balance-depreciation`: Declining-balance depreciation: a fixed percent of the reducing book value, for a given year. Returns that year's depreciation and the remaining book value.
- `depreciate`: Value after compounding down (or up) at a yearly percentage rate over a number of years. This is the method the app uses for long-term assets.
- `discount`: A single percentage discount: the amount off and the final price.
- `discounted-payback`: Discounted payback period: like payback-period but each cashflow is discounted at the per-period rate.
- `dollar-cost-averaging`: Dollar-cost averaging: buying a fixed amount each period at the given prices. Returns units accumulated, total invested, average cost, and final value at the la
- `double-declining-depreciation`: Double-declining-balance depreciation: 2/usefulYears of the book value each year, not falling below salvage.
- `dscr`: Debt service coverage ratio: net operating income divided by annual debt service.
- `dti`: Debt-to-income ratio, percent (monthly debt / gross monthly income).
- `effective-rate`: Convert a nominal annual rate to the effective annual rate (APY) for a compounding frequency, or with toNominal recover the nominal rate from an APY.
- `emergency-fund`: Months of runway: liquid savings divided by monthly expenses.
- `fee-drag`: Effect of an annual fee: the compounded balance at the gross rate vs net of the fee, and the amount lost to fees.
- `fire-number`: FIRE target nest egg from annual spend and a safe withdrawal rate (default 4%), plus the gap from today and the years to reach it given optional savings and gro
- `future-value`: Future value of a single lump sum compounded annually.
- `fx-convert`: Convert an amount using a rate supplied by the caller (units of target currency per unit of source). No rate is ever looked up.
- `gross-rent-multiplier`: Gross rent multiplier: price divided by gross annual rent.
- `holding-period-return`: Holding-period return: (income + capital gain) / starting value, in percent.
- `hourly-to-salary`: Annualize an hourly rate (and the monthly equivalent).
- `inflation-adjust`: Convert a nominal amount to today's purchasing power (real), or with toNominal inflate a real amount forward, at a given annual inflation rate.
- `interest-only-payment`: Interest-only monthly payment on a balance.
- `intrinsic-time-value`: Split an option premium into intrinsic value (in-the-money amount) and time value.
- `irr`: Internal rate of return: the per-period rate that zeroes the NPV of a cashflow series. Returns a percent, or null when the series never crosses zero.
- `loan-apr`: Effective APR including upfront fees: the note-rate payment priced against the net proceeds (amount - fees). Annual percent.
- `loan-payoff`: Time and interest saved by paying a fixed extra amount every month on a loan, versus the baseline schedule.
- `ltv`: Loan-to-value ratio, percent (loan / property value).
- `margin-markup`: Convert between margin and markup. Supply any one of cost/price plus one of marginPct/markupPct (or both cost and price); returns cost, price, profit, marginPct
- `max-drawdown`: Maximum drawdown of a value series: the largest peak-to-trough decline, as a positive percent.
- `mirr`: Modified internal rate of return: negatives financed at financeRate, positives reinvested at reinvestRate. Percents in and out.
- `mortgage-affordability`: Maximum loan and home price the income supports: the DTI cap on gross monthly income (less existing debts) sets the payment, whose present value at the rate and
- `net-worth`: Net worth: assets minus liabilities.
- `noi`: Net operating income: gross rental income less vacancy and operating expenses.
- `npv`: Net present value of a cashflow series (index 0 is today; outflows negative) discounted at a per-period rate.
- `option-breakeven`: Break-even underlying price at expiry: strike + premium for a call, strike - premium for a put.
- `option-greeks`: Black-Scholes greeks for a European option: delta, gamma, vega (per 1% vol), theta (per day), rho (per 1% rate).
- `payback-period`: Simple payback period: periods until cumulative cashflows recover the initial cost, interpolated within the crossing period. Null if never.
- `percentage-change`: Percentage change from one value to another. Null when the starting value is zero.
- `perpetuity`: Present value of a level or growing perpetuity: payment / (rate - growth). Null when growth is not below the rate.
- `points-breakeven`: Mortgage points break-even: the upfront cost to buy down the rate, the monthly payment saving, and the whole months to recoup it.
- `portfolio-longevity`: How many years a balance lasts while withdrawing from it: the balance grows each year, then the withdrawal (optionally stepping up) is taken. Returns the deplet
- `present-value`: Present value of a single future amount discounted annually. The inverse of future-value.
- `put-call-parity`: Put-call parity: given one option price, returns both. Provide call or put, plus spot, strike, years, and the rate.
- `quick-ratio`: Quick (acid-test) ratio: (current assets - inventory) over current liabilities.
- `real-return`: Real (inflation-adjusted) return from a nominal rate via the Fisher relation: (1+nominal)/(1+inflation) - 1.
- `refi-breakeven`: Refinance break-even: monthly saving, whole months to recoup closing costs, and (if remainingMonths given) the net saving over the remaining term.
- `required-contribution`: Inverse of contributions: the fixed monthly amount needed to reach a target future value over a number of months, given an optional starting balance.
- `required-return`: Annual return needed to grow a starting value to a target over a number of years, optionally with a fixed annual contribution. With no contribution this equals 
- `return-stats`: Mean, sample variance, and sample standard deviation (n-1) of a series of returns. Pass percents to get a percent stdev (volatility).
- `roa`: Return on assets, percent: net income over total assets.
- `roe`: Return on equity, percent: net income over shareholders' equity.
- `roi`: Return on investment: total percent gain, plus the annualized rate when a holding period in years is given.
- `rule-of-72`: Years to double: the rule-of-72 estimate (72/rate) and the exact figure (ln2 / ln(1+rate)).
- `salary-to-hourly`: Hourly rate implied by an annual salary.
- `savings-rate`: Fraction of income saved (savings divided by income). Returns a decimal.
- `sharpe-ratio`: Sharpe ratio: excess mean return per unit of volatility, (mean - riskFree) / stdev. Null when volatility is undefined or zero.
- `straight-line-depreciation`: Straight-line depreciation: value falling evenly to a salvage value over a useful life.
- `successive-discounts`: Stacked discounts applied in order: the final price and the effective single discount rate.
- `sum-of-years-digits`: Sum-of-the-years'-digits depreciation: the depreciable base weighted toward the early years.
- `tax-equivalent-yield`: Tax-equivalent yield: the taxable yield that matches a tax-free (e.g. muni) yield. Percents in and out.
- `tax-from-brackets`: Progressive tax from caller-supplied brackets. No jurisdiction, year, or rates are baked in: pass the brackets yourself. Returns total tax, effective rate, and 
- `tip-split`: Tip and split: the tip amount, the total, and the per-person share.
- `unit-price`: Unit price: price divided by quantity (for comparing pack sizes). Null when quantity is zero.
- `units-of-production-depreciation`: Units-of-production depreciation: the depreciable base spread over total expected units, charged by the units used this period.
- `vat`: Value-added tax (MwSt/USt, sales tax) on a price. By default adds the tax to a net price; with inclusive=true treats the amount as gross and extracts the tax. T
- `wacc`: Weighted average cost of capital: equity and after-tax debt weighted by the capital structure. Percents in and out.
- `xirr`: Date-aware internal rate of return: the annual rate that zeroes the XNPV of irregular dated cashflows. Null if no rate fits.
- `xnpv`: Date-aware net present value: each amount discounted by its fractional years (act/365) from the first cashflow's date. Annual rate in percent.
- `yield-to-maturity`: Bond yield to maturity: the nominal annual yield that prices a bond at the given price, with periodic coupons and face returned at maturity. Solved numerically.
- `zero-coupon-price`: Price of a zero-coupon bond: face value discounted to today at the yield.

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