Compound interest and Monte Carlo simulators for investing, retirement and past asset returns.
Connect Remote server
claude mcp add --transport http compoundsim https://compoundsim.app/mcp
{
"mcpServers": {
"compoundsim": {
"url": "https://compoundsim.app/mcp"
}
}
}
{
"servers": {
"compoundsim": {
"type": "http",
"url": "https://compoundsim.app/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://compoundsim.app/mcp
Tools 5 found in our last check
simulate_portfolioMonte Carlo simulation of investing monthly (plus an optional starting sum) in one asset or a mix rebalanced monthly. Returns the range of outcomes by year (10th to 90th percentile), the deepest fall along the way, the mix's own past return and volatility, and a compoundsim.app…
compare_portfoliosRuns the same monthly-investing plan through 2 to 4 portfolios (the same simulation as simulate_portfolio) and returns each one's final outcome range, deepest fall, past return and volatility, and url, for questions like 'S&P 500 or all-country stocks?'.
simulate_withdrawalMonte Carlo simulation of withdrawing a yearly percentage of a starting balance, raised with inflation every month, from a portfolio (the 4% rule and its variants). Returns the share of paths that still had money at the end, when the others ran out, the remaining balance range i…
simulate_fixed_rateDeterministic compound growth of monthly contributions (plus an optional starting sum) at a fixed annual return. Returns contributions, gains and total by year, and a compoundsim.app url. Use simulate_portfolio for the range of outcomes of real assets.
get_asset_returnsAnnualised past returns of the assets compoundsim simulates, over the last 5, 10 or 20 years, all the data, or a calendar span: total return with dividends reinvested, price return, the dividends' share, volatility, and the return after US inflation (in USD) or the exchange rate…
Details
| Endpoint | https://compoundsim.app/mcp (Streamable HTTP) |
| First published | 1 Nov 2026 |
| Last updated | 1 Nov 2026 |
| Registry name | app.compoundsim/compoundsim |
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