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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

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

claude mcp add --transport http nestegg-calculators https://nestegg.money/mcp

[mcp_servers.nestegg-calculators]
url = "https://nestegg.money/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "nestegg-calculators": {
      "type": "remote",
      "url": "https://nestegg.money/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "nestegg-calculators": {
      "type": "http",
      "url": "https://nestegg.money/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=nestegg-calculators&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbmVzdGVnZy5tb25leS9tY3AifQ%3D%3D"
}

{
  "servers": {
    "nestegg-calculators": {
      "type": "http",
      "url": "https://nestegg.money/mcp"
    }
  }
}

{
  "mcpServers": {
    "nestegg-calculators": {
      "httpUrl": "https://nestegg.money/mcp"
    }
  }
}

extensions:
  "nestegg-calculators":
    enabled: true
    name: "nestegg-calculators"
    type: streamable_http
    uri: "https://nestegg.money/mcp"
    timeout: 300

Quality 82 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene79 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations99 of 99 tools declare readOnlyHint or destructiveHint
fail
tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: contributions (destructiveHint); savings-rate (destructiveHint); fx-convert (destructiveHint); …
warn
tools.token_costabout 15,092 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changesno tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

99 tools, about 15,092 tokens to load them all · tool set df91d81f9e85 · checked 2026-10-20 17:02 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 86 / 100

provenance80

liveness98

freshness65

hygiene100

+repository +namespace-matches-repo +reachable +uptime-96% ~updated-110d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://nestegg.money/mcp` streamable-http	none	yes	96%	258 ms	2025-11-25	2026-10-20

Tools (99)

`accrued-interest`read-only	Accrued interest since the last coupon: the annual coupon pro-rated by days elapsed over the day-count basis.
`after-tax-yield`read-only	After-tax yield: a yield reduced by the tax rate. Percents in and out.
`amortization`read-only	Monthly loan amortization schedule and summary. Supports dated extra principal payments and a rate-fixed period. detail controls output size: 'summary' (default) returns totals plus a per-year breakdown; 'monthly' returns the full schedule (paginate with offset/limit). Returns numbers and schedules; no advice.
`annuity-fv`read-only	Future value of an ordinary annuity. rate is the per-period rate in percent.
`annuity-payment`read-only	The level payment that amortizes a present value over n periods (the loan-payment formula). rate is per period.
`annuity-pv`read-only	Present value of an ordinary annuity (level payment at each period end). rate is the per-period rate in percent.
`balloon-loan`read-only	Balloon loan: payment based on a long amortization, with the balloon being the balance still due after the shorter balloon term.
`barista-fire`read-only	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`read-only	Biweekly mortgage acceleration: paying half the monthly payment every two weeks. Returns the biweekly payment and the months and interest saved.
`black-scholes`read-only	Black-Scholes price of a European call or put option, plus d1/d2. Volatility and rates in percent; optional continuous dividend yield.
`bond-duration`read-only	Macaulay duration (PV-weighted average time of cashflows, in years) and modified duration (price sensitivity to yield).
`bond-price`read-only	Price of a coupon bond given a yield: present value of the coupons plus the face at maturity.
`break-even-units`read-only	Break-even volume: fixed costs divided by the per-unit contribution (price - variable cost), plus the revenue at that volume.
`budget-50-30-20`read-only	The 50/30/20 budget split of monthly income into needs, wants, and savings.
`cagr`read-only	Compound annual growth rate between two values over a number of years. Returns a decimal (0.07 means 7%).
`cap-rate`read-only	Capitalization rate: net operating income as a percent of property value.
`cash-on-cash`read-only	Cash-on-cash return: annual pre-tax cash flow as a percent of the cash invested.
`coast-fire`read-only	Coast FIRE: whether the current nest egg, left to grow untouched to retirement, already reaches the FIRE target. Returns the target, the projected balance, whether it coasts, and any shortfall.
`compound-interest`read-only	Compound growth at any frequency, with an optional contribution each period (paid at period end). Generalizes future-value (periodsPerYear 1) and contributions (periodsPerYear 12).
`contribution-margin`read-only	Contribution margin per unit and as a percent of price.
`contributions`read-only	Future value of a fixed monthly contribution, optionally stepping up each year.
`convexity`read-only	Bond convexity (years^2): the curvature of price with respect to yield, used alongside duration.
`credit-card-payoff`read-only	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`read-only	Current ratio: current assets over current liabilities.
`current-yield`read-only	Current yield: the annual coupon as a percent of the bond's current price.
`de-abgeltungsteuer`read-only	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, Soli 5.5% on top (no Freigrenze for capital income), and with church tax the statutory reduced rate (e.g. 24.45% at 9%) plus the church tax itself.
`debt-payoff`read-only	Multi-debt payoff plan under a fixed monthly budget. method 'avalanche' (highest rate first) minimizes interest; 'snowball' (smallest balance first) clears accounts soonest. Returns months, total interest, and payoff order; flags insolvent budgets.
`declining-balance-depreciation`read-only	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.
`de-gross-to-net`read-only	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) and Soli are amounts; church tax is a percent of the income tax; the four employee social rates and the two contribution ceilings are inputs. Use consistent units (e.g. all annual).
`de-kindergeld`read-only	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`read-only	German Midijob / Uebergangsbereich (paragraph 20 Abs. 2a SGB IV) for 2023-2026: classifies a monthly pay as Minijob / Midijob / regular against the year's thresholds and, inside the Midijob band, computes the reduced contribution bases (Faktor F from the year's rates) and the employee vs employer social-insurance split.
`de-net-salary`read-only	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 (to the euro; 2024 uses the retroactive December tariff), church tax comes from the PAP's Kirchensteuer base, and employee social insurance uses that year's ceilings and rates (KV Zusatzbeitrag defaults to the year's average). Earlier years are rejected - use de-gross-to-net with self-supplied figures instead.
`depreciate`read-only	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.
`de-rentenpunkte`read-only	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 contribution ceiling), the aktueller Rentenwert for both halves of the year, and optionally the gross monthly state pension for a total point count.
`discount`read-only	A single percentage discount: the amount off and the final price.
`discounted-payback`read-only	Discounted payback period: like payback-period but each cashflow is discounted at the per-period rate.
`dollar-cost-averaging`read-only	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 last price.
`double-declining-depreciation`read-only	Double-declining-balance depreciation: 2/usefulYears of the book value each year, not falling below salvage.
`dscr`read-only	Debt service coverage ratio: net operating income divided by annual debt service.
`dti`read-only	Debt-to-income ratio, percent (monthly debt / gross monthly income).
`effective-rate`read-only	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`read-only	Months of runway: liquid savings divided by monthly expenses.
`fee-drag`read-only	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`read-only	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 growth. No advice.
`future-value`read-only	Future value of a single lump sum compounded annually.
`fx-convert`read-only	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`read-only	Gross rent multiplier: price divided by gross annual rent.
`holding-period-return`read-only	Holding-period return: (income + capital gain) / starting value, in percent.
`hourly-to-salary`read-only	Annualize an hourly rate (and the monthly equivalent).
`inflation-adjust`read-only	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`read-only	Interest-only monthly payment on a balance.
`intrinsic-time-value`read-only	Split an option premium into intrinsic value (in-the-money amount) and time value.
`irr`read-only	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`read-only	Effective APR including upfront fees: the note-rate payment priced against the net proceeds (amount - fees). Annual percent.
`loan-payoff`read-only	Time and interest saved by paying a fixed extra amount every month on a loan, versus the baseline schedule.
`ltv`read-only	Loan-to-value ratio, percent (loan / property value).
`margin-markup`read-only	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, and markupPct.
`max-drawdown`read-only	Maximum drawdown of a value series: the largest peak-to-trough decline, as a positive percent.
`mirr`read-only	Modified internal rate of return: negatives financed at financeRate, positives reinvested at reinvestRate. Percents in and out.
`mortgage-affordability`read-only	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 term is the loan.
`net-worth`read-only	Net worth: assets minus liabilities.
`noi`read-only	Net operating income: gross rental income less vacancy and operating expenses.
`npv`read-only	Net present value of a cashflow series (index 0 is today; outflows negative) discounted at a per-period rate.
`option-breakeven`read-only	Break-even underlying price at expiry: strike + premium for a call, strike - premium for a put.
`option-greeks`read-only	Black-Scholes greeks for a European option: delta, gamma, vega (per 1% vol), theta (per day), rho (per 1% rate).
`payback-period`read-only	Simple payback period: periods until cumulative cashflows recover the initial cost, interpolated within the crossing period. Null if never.
`percentage-change`read-only	Percentage change from one value to another. Null when the starting value is zero.
`perpetuity`read-only	Present value of a level or growing perpetuity: payment / (rate - growth). Null when growth is not below the rate.
`points-breakeven`read-only	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`read-only	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 depletion year, or sustainable=true when it outlasts 200 years.
`present-value`read-only	Present value of a single future amount discounted annually. The inverse of future-value.
`put-call-parity`read-only	Put-call parity: given one option price, returns both. Provide call or put, plus spot, strike, years, and the rate.
`quick-ratio`read-only	Quick (acid-test) ratio: (current assets - inventory) over current liabilities.
`real-return`read-only	Real (inflation-adjusted) return from a nominal rate via the Fisher relation: (1+nominal)/(1+inflation) - 1.
`refi-breakeven`read-only	Refinance break-even: monthly saving, whole months to recoup closing costs, and (if remainingMonths given) the net saving over the remaining term.
`required-contribution`read-only	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`read-only	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 CAGR. Returns a percent, or null when unreachable.
`return-stats`read-only	Mean, sample variance, and sample standard deviation (n-1) of a series of returns. Pass percents to get a percent stdev (volatility).
`roa`read-only	Return on assets, percent: net income over total assets.
`roe`read-only	Return on equity, percent: net income over shareholders' equity.
`roi`read-only	Return on investment: total percent gain, plus the annualized rate when a holding period in years is given.
`rule-of-72`read-only	Years to double: the rule-of-72 estimate (72/rate) and the exact figure (ln2 / ln(1+rate)).
`salary-to-hourly`read-only	Hourly rate implied by an annual salary.
`savings-rate`read-only	Fraction of income saved (savings divided by income). Returns a decimal.
`sharpe-ratio`read-only	Sharpe ratio: excess mean return per unit of volatility, (mean - riskFree) / stdev. Null when volatility is undefined or zero.
`straight-line-depreciation`read-only	Straight-line depreciation: value falling evenly to a salvage value over a useful life.
`successive-discounts`read-only	Stacked discounts applied in order: the final price and the effective single discount rate.
`sum-of-years-digits`read-only	Sum-of-the-years'-digits depreciation: the depreciable base weighted toward the early years.
`tax-equivalent-yield`read-only	Tax-equivalent yield: the taxable yield that matches a tax-free (e.g. muni) yield. Percents in and out.
`tax-from-brackets`read-only	Progressive tax from caller-supplied brackets. No jurisdiction, year, or rates are baked in: pass the brackets yourself. Returns total tax, effective rate, and marginal rate.
`tip-split`read-only	Tip and split: the tip amount, the total, and the per-person share.
`unit-price`read-only	Unit price: price divided by quantity (for comparing pack sizes). Null when quantity is zero.
`units-of-production-depreciation`read-only	Units-of-production depreciation: the depreciable base spread over total expected units, charged by the units used this period.
`vat`read-only	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. The rate is always an input (19 or 7 for Germany, etc.).
`wacc`read-only	Weighted average cost of capital: equity and after-tax debt weighted by the capital structure. Percents in and out.
`xirr`read-only	Date-aware internal rate of return: the annual rate that zeroes the XNPV of irregular dated cashflows. Null if no rate fits.
`xnpv`read-only	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`read-only	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. Returns a percent, or null.
`zero-coupon-price`read-only	Price of a zero-coupon bond: face value discounted to today at the yield.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.VladimirWrites/nestegg-calculators",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://nestegg.money/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.4.0",
  "repository": {
    "url": "https://github.com/VladimirWrites/nestegg.money",
    "source": "github"
  },
  "description": "90+ pure finance calculators: loans, investing, bonds, options, tax. Stateless, stores nothing."
}