bots.st/quantcalc-retirement-engine
QuantCalc Retirement Engine
Run tax-aware retirement Monte Carlo projections
2190 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 22
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://mcp.quantcalc.app
What it can do
| Tool | What it says it does |
|---|---|
aca_premium_tax_credit | Figures a household's ACA marketplace premium tax credit position from its state, the ages on the plan, household size and income. For 2026 coverage: the credit (Form 8962 line 24, computed by QuantCalc's federal tax API) at the state-level or a given benchmark premium, the poverty line and… |
business_deduction_tax_savings | Figures what a business deduction saves a self-employed person in 2026: business miles split at July 1 (72.5 and 76 cents a mile) or a dollar expense, off the Schedule C profit, and the income tax, self-employment tax, earned income credit and state tax saved, from the federal return and the state… |
calculate_2026_income_tax | Figures a household's 2026 federal income tax (Form 1040 line 24) and, given a state, its state income tax, from wages (with the Schedule 1-A overtime and tips deductions), children and other dependents, and other common income; and returns the Social Security and Medicare tax on the wages, the… |
calculate_rmd | Computes the required minimum distribution for 2026 or 2027 from the prior year-end balance and the age or birth year, on the IRS Uniform Lifetime Table, or the Joint and Last Survivor Table when the spouse is the sole beneficiary and more than 10 years younger; returns the divisor, the deadline… |
capital_gains_tax | Figures the 2026 federal and state income tax on a household's short-term and long-term capital gains or losses given its other income: the tax the capital items add (ordinary-rate, long-term rate, net investment income tax and AMT parts), the long-term gain that still fits in the 0% band, the… |
compare_return_assumptions | Runs the same plan against several published capital market assumption sets and returns the success rate and median outcome under each, showing how far the answer moves with the return forecast used. Every input is optional: omitted plan inputs use an illustrative plan (age 65, $1,000,000 saved… |
estimate_2026_tax_return | Estimates a household's 2026 federal and state income tax return from its 2026 income (wages, Social Security, IRA and 401(k) distributions, pensions, Roth conversions, interest, dividends, capital gains and losses, self-employment (Schedule C) profit), deductions, withholding and estimated… |
estimated_tax_payments_2026 | Figures a household's 2026 estimated tax position from its expected 2026 income, its 2025 tax and what it has withheld and paid: the 2026 tax Form 2210 uses, the safe-harbor required annual payment (the smaller of 90% of the 2026 tax and 100% or 110% of the 2025 tax) and the required amount per… |
explain_methodology | Returns what the QuantCalc engine models and what it deliberately leaves out, including the tax provisions that are out of scope, and links to the published methodology. |
ira_deduction_and_roth_limit | Runs IRS Publication 590-A Worksheet 1-2 (the deductible part of a traditional IRA contribution when you or your spouse is covered by a plan at work) and Worksheet 2-2 (the reduced Roth IRA contribution limit) for 2026 or 2027 on a modified AGI, line by line, with the spousal IRA rule and the $10… |
irmaa_check | Returns the Medicare IRMAA tier a MAGI sets: the official 2026 tier (from 2024 MAGI) and the 2027 and 2028 tiers (from 2025 and 2026 MAGI) on the tables as QuantCalc projects them, labelled projected; with each the monthly Part B and Part D surcharge per person, the annual total for the people on… |
list_return_assumption_sources | Returns the published capital market assumption sets the engine carries and which components each publisher provides (returns, volatilities, correlations). |
optimize_social_security_claiming | Searches every Social Security claiming age from 62 (or today's age) to 70 for the household's tax-aware plan: each age's benefit is the given benefit restated by the SSA reduction and delayed-retirement-credit rules, and each age runs the full tax-aware plan on the same simulated markets as the… |
pretax_contribution_savings | Figures what a 2026 (or projected 2027) health FSA or HSA contribution saves in federal income tax, Social Security and Medicare tax and state income tax: the same return with and without the contribution, a payroll contribution taken out of W-2 boxes 1, 3 and 5, a direct HSA contribution out of… |
qcd_tax_savings | Compares a 2026 charitable gift made as a qualified charitable distribution from an IRA with the same gift in cash: the federal and state tax saved and the IRMAA surcharge saved, with the cash gift deducted the way the return allows (itemizing, or the standard deduction with the non-itemizer… |
retirement_plan_deferral_savings | Returns the 2026 or 2027 elective-deferral limit for a 401(k), 403(b), governmental 457(b), the TSP or a SIMPLE IRA at an age (the age-50 and ages 60-63 catch-ups, the SIMPLE higher limit, the Roth catch-up wage rule), free; and what the pre-tax deferral saves in federal income tax (with the 2026… |
roth_conversion_tax_cost | Figures the federal and state tax a 2026 Roth conversion adds to the household's year, its share of the amount converted and the cost of the next $1,000; the room left in the current federal bracket and below the next IRMAA tier; and flags an IRMAA tier crossing (with the 2028 surcharge), Social… |
run_retirement_projection | Runs a Monte Carlo retirement projection on the QuantCalc engine and returns the success rate, the ending-portfolio distribution, and the assumptions that produced them. The result states the return model that ran, the number of paths, and the income assumptions it used, including when there are… |
run_tax_aware_projection | Runs the retirement projection with the household's accounts split by tax type and returns the withdrawal order and Roth-conversion programme the engine selected, its present-value advantage and range against drawing traditional first, and the after-tax success rate. Federal and state income tax… |
social_security_taxable_amount | Figures how much of a household's 2026 Social Security benefits is taxable, the federal income tax and the part of it the benefits cost, the effective marginal rate on the next dollar of other income, how many cents of benefits each extra dollar makes taxable, and which part of the torpedo the… |
standard_deduction_vs_itemizing | Returns the 2026 or 2027 standard deduction piece by piece — the basic amount, the additional amount for 65 or older and blind, a dependent's limit, the married-filing-separately rule — free; and, with a connected QuantCalc PRO licence or Tax Season Pass, the senior deduction after its phase-out… |
state_tax_in_every_state | Figures one household's 2026 state income tax in all 50 states and DC from its income (Social Security, IRA and 401(k) withdrawals, a private or government pension, military retirement pay, wages, interest, dividends, long-term gains) and returns every jurisdiction ranked from the lowest tax to… |
In its maker's words
Retirement Monte Carlo, tax-aware withdrawals, 2026 tax calculators, RMD, IRMAA, every-state tax.
- Website
- quantcalc.app/advisors/mcp
- Source
- github.com/quantcalc-app/quantcalc-mcp-plugin
- Publisher
- quantcalc.app
- Listed from
- the official MCP Registry as
app.quantcalc/retirement-engine - Version
- 1.8.0, updated 2 Nov 2026
- Kinds of work
- Finance and markets, AI models and agent tools
The domain it lives on
- quantcalc.app
- registered 2 Feb 2026 (9 months ago), at CloudFlare, Inc., its home page is a working site
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2190 ms | |
| Answered | 2716 ms | |
| Answered | 1294 ms |
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