Free money calculators: growth, retirement, mortgage, inflation, debt. Not financial advice.
Connect Remote server
claude mcp add --transport http money-calculator https://compoundmint.com/wp-json/mint/v1/mcp
{
"mcpServers": {
"money-calculator": {
"url": "https://compoundmint.com/wp-json/mint/v1/mcp"
}
}
}
{
"servers": {
"money-calculator": {
"type": "http",
"url": "https://compoundmint.com/wp-json/mint/v1/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://compoundmint.com/wp-json/mint/v1/mcp
Tools 16 found in our last check
answer_money_questionUse first when a user asks a money math question in plain words, such as "how much will $500 a month grow in 20 years?", "when can I retire if I spend $40,000 a year?", "how long to pay off $5,000 on my credit card at 24% paying $200 a month?", "how much do I need to save each m…
calculate_compound_interestUse when a user asks how much money will grow, e.g. "how much will $500 a month grow in 20 years?", "what will $10,000 be worth in 10 years at 7%?" or "how much interest will I earn?". Future value of a starting amount plus optional monthly contributions at a yearly rate, with t…
rule_of_72Use when a user asks how long it takes to double money ("how long to double my money at 8%?") or what return doubles it in a number of years. How long money takes to double at a yearly rate (send annual_rate), or the rate needed to double in a number of years (send years). Gives…
calculate_coast_fireUse when a user asks about Coast FIRE, e.g. "what is my Coast FIRE number at 30?" or "can I stop saving for retirement and let it grow?". FIRE number (yearly spending / withdrawal rate) and Coast FIRE number: what you need invested now so growth alone reaches your FIRE number by…
calculate_fire_numberUse when a user asks when they can retire or how much they need to retire, e.g. "when can I retire if I invest $1,500 a month?", "what is my FIRE number if I spend $40,000 a year?" or "how many years until I can stop working?". Returns the FIRE number (yearly spending / withdraw…
calculate_holiday_budgetUse when a user asks how much to spend on the holidays or on Christmas gifts, e.g. "how much should I budget for Christmas?", "can I afford $50 gifts for 8 people?" or "how much do I need to save each week for the holidays?". Adds gifts (people x budget per person), travel, food…
calculate_gift_budgetUse when a user asks how to split a Christmas or holiday gift budget between people, how much to spend on each person, or what it costs to put gifts on a credit card, e.g. "split $800 for gifts between 5 people", "I have $600: Mom 30%, Dad 30%, my sister 40%", "is $150 for mom a…
calculate_401k_matchUse when a user asks about a 401(k) employer match, e.g. "am I getting my full 401(k) match?", "how much is my employer match worth?" or "what percent should I put in to get the full match?". Your yearly 401(k) contribution, the employer match, the percent needed for the full ma…
calculate_debt_payoffUse when a user asks how long it takes to pay off a credit card or loan, what payment clears it by a date, or avalanche vs snowball, e.g. "how long to pay off $5,000 at 24% paying $200 a month?" or "what payment pays off my credit card in 2 years?". One debt: months to pay off a…
calculate_savings_goalUse when a user asks how much to save each month for a goal, e.g. "how much do I need to save each month to have $50,000 in 5 years?" or "how much a month to reach $1 million in 30 years?". Monthly amount to save to reach a target in a number of years at a yearly rate, counting…
calculate_mortgage_paymentUse when a user asks about a mortgage or house payment, e.g. "what is the monthly payment on a $400,000 house with 20% down at 6.5%?", "how much interest will I pay on a $300,000 mortgage?" or "15 vs 30 year mortgage payment". Monthly principal and interest for a fixed rate loan…
calculate_inflationUse when a user asks what inflation does to money, e.g. "what will $100 be worth in 10 years with inflation?", "how much will a $50,000 salary need to be in 20 years?" or "how much purchasing power does cash lose at 3% inflation?". Future cost of something priced today and the p…
calculate_retirement_savingsUse when a user asks how much they will have when they retire, e.g. "how much will I have at 65 if I save $500 a month starting at 30?", "will $20,000 plus $300 a month be enough by 60?" or "project my retirement savings". Projects the balance at retirement from current savings…
list_money_calculatorsLists every calculator tool with its inputs, an example and its REST endpoint.
searchSearches Compound Mint calculators and personal finance guides. Returns results with id, title and url; read one with fetch.
fetchReturns the text of one Compound Mint page by id (from search), by compoundmint.com URL or slug, or by calculator slug (e.g. compound-interest, rule-of-72).
Details
| Endpoint | https://compoundmint.com/wp-json/mint/v1/mcp (Streamable HTTP) |
| First published | 9 Nov 2026 |
| Last updated | 9 Nov 2026 |
| Registry name | com.compoundmint/money-calculator |
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