Amaltash Investment & Retirement Calculators
Run investment, retirement and savings calculators with charts
Connects to Amaltash's calculator engine for compound interest, retirement planning, S&P 500 history, dollar-cost averaging, net worth, Treasury bill ladders and portfolio stress tests. Muse can run the numbers and return charts and plain results.
Try asking Muse: "If I save $500 a month and retire at 65, how long will my money last?"
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Source: Found in the official MCP Registry (com.amaltash/calculators) · First listed November 10, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 36 min ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://tools.amaltash.com/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
Amaltash Investment & Retirement Calculators is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://tools.amaltash.com/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 342ms. Worked in n/a of checks over 30 days.
Screening · November 10, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 15
plan_recurring_investmentInvestment growth calculator with an interactive chart. Works out what regular deposits could grow to at a long-run market average or a yearly rate you choose. Use it for monthly investment plans and questions like what $10 a day or $500 a month could become in 20 or 30 years. Silist_assetsLists the long-run market rates, which can be used for future plans, and common stocks and funds, which can only be used to look at the past. Stock questions work for any US stock or fund we hold history for, past only. Use it to find a valid long-run rate id.replay_past_investingStock return and dollar-cost averaging (DCA) calculator with an interactive chart. Shows what investing in a US stock or fund would have become, using real past prices, as regular deposits, a lump sum, or both. Use it for what-if-I-had-invested and DCA questions about a ticker susp500_since_dateS&P 500 return calculator with an interactive chart. Shows what a set amount in the S&P 500 would have become between two years from 1928 to 2025, using real yearly returns. It also gives the amount put in after inflation and the worst year in the span.retirement_planRetirement calculator with an interactive chart of the balance by age. Replays a plan through every complete stretch of real US market history since 1928 and reports how often the money lasted. Use it when the monthly spending is known, for questions like can I retire at 60, or hsafe_spendingRetirement withdrawal calculator with an interactive chart. Finds the highest monthly spending that lasted in at least a chosen share of real US market history since 1928. Use it when the spending amount is the unknown, for retirement income questions, and to check the 4% rule.compound_interestCompound interest calculator with an interactive chart. Works out what a starting amount and monthly deposits grow to at a fixed rate, compounded daily, monthly or yearly, and gives the APY. Use it for savings growth, CD and high-yield savings balances, future value at a fixed ranet_worth_checkNet worth calculator with an interactive chart. Subtracts debts from assets and, when an age is given, shows the median net worth for that age group from a US government survey. Use it for a net worth total or a net worth by age comparison.crash_impactPortfolio stress test with an interactive chart. Works out how much a portfolio would lose if stocks fell by a chosen percent, given its mix of stocks, bonds and cash, with an optional loss limit.drawdown_recoveryDrawdown and loss recovery calculator with an interactive chart. Works out the percentage gain needed to get back to even after a loss, and how many years that takes at a yearly return the person enters.sequence_riskSequence of returns calculator with an interactive chart. Runs a list of yearly returns with a fixed yearly withdrawal in the order given and in reverse, and compares where the balance ends.position_sizePosition size calculator with an interactive chart. Works out the dollar size of one position at a percent cap the person chooses, how many positions of that size fit, and the amount at risk. It does not pick investments or judge whether a size is suitable.dca_vs_lump_sumDollar-cost averaging vs lump sum calculator with an interactive chart. Compares investing a fixed amount at each price in a list with investing the same total at the first price, both valued at the last price. Use it when the person provides the price series.tbill_ladderTreasury bill ladder calculator with an interactive timeline chart. Lays out how much goes in each same-term bill, how far apart to buy them, and the first and last dates. Shows simple interest only if a rate is given.search_stocksFinds US stocks and funds by ticker or company name. Used by the calculator card's stock picker.Link
https://tools.amaltash.com/mcpQuestions about Amaltash Investment & Retirement Calculators in Muse
How do I connect Amaltash Investment & Retirement Calculators to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Amaltash Investment & Retirement Calculators to help me. It is a free service with an MCP server at https://tools.amaltash.com/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Amaltash Investment & Retirement Calculators working right now?
At the last check (November 10, 2026, 19:16 UTC) the endpoint was working, answering in 342ms. It is checked every 15 minutes.
Is Amaltash Investment & Retirement Calculators safe to connect to Muse?
It was screened on November 10, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Amaltash Investment & Retirement Calculators do in Muse?
It exposes 15 tools, including plan_recurring_investment, list_assets, replay_past_investing, sp500_since_date. For example, you could ask Muse: "If I save $500 a month and retire at 65, how long will my money last?"
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