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compoundsim

app.compoundsim/compoundsim · v1.0.0

Compound interest and Monte Carlo simulators for investing, retirement and past asset returns.

Connect Remote server

Terminal
claude mcp add --transport http compoundsim https://compoundsim.app/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "compoundsim": {
      "url": "https://compoundsim.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "compoundsim": {
      "type": "http",
      "url": "https://compoundsim.app/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://compoundsim.app/mcp

Tools 5 found in our last check

  • simulate_portfolio

    Monte 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_portfolios

    Runs 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_withdrawal

    Monte 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_rate

    Deterministic 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_returns

    Annualised 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

Endpointhttps://compoundsim.app/mcp (Streamable HTTP)
First published1 Nov 2026
Last updated1 Nov 2026
Registry nameapp.compoundsim/compoundsim

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