All servers · Markets & trading

PNL Toolkit

com.pnltoolkit/calculators · v1.1.0

Measured by MCP Station

Description written by the publisher, not verified

Eight free investment and trading calculators with PNG charts and editable result links.

Connect

claude mcp add --transport http calculators https://pnltoolkit.com/mcp

{
  "mcpServers": {
    "calculators": {
      "url": "https://pnltoolkit.com/mcp"
    }
  }
}

Tools as reported by the server

• historical_return
  Historical investment return using installed monthly closes, not live quotes. Asset ticker, start/end months YYYY-MM, amount in USD (unit=cash) or historical shares/coins (unit=coins), buying fee in percent, optional benchmark and total/price return basis. Omitted dates use calculator defaults clamp
• dca_backtest
  Dollar-cost-averaging backtest using installed monthly closes, not live quotes. Asset ticker, start/end months YYYY-MM, initial deposit in USD, monthly in USD per purchase, frequency in months (1, 3 or 12), buying fee in percent, optional benchmark and total/price return basis. Initial deposit and f
• compound_interest
  Compound interest in USD: initial dollars, monthly dollars, annual return/fees/inflation in percent, and whole years. Creates a free calc-compound PNG. Returns results, conditions, assumptions, an editable link, share page and PNG. No account access or order execution.
• position_size
  Position sizing for linear USD shares/coins: prices in USD, account risk in percent, fees/slippage in basis points, quantity increment in units. Returns results, conditions, assumptions, an editable link, share page and PNG. No account access or order execution.
• trade_expectancy
  Trade expectancy and fractional Kelly: balance in USD, win rate/buffer/cap in percent, wins/losses/cost in R, fraction 0–1. Returns results, conditions, assumptions, an editable link, share page and PNG. No account access or order execution.
• drawdown_recovery
  Drawdown recovery: balances/deposits in USD, drawdown and monthly return in percent, target horizon in whole months. Returns results, conditions, assumptions, an editable link, share page and PNG. No account access or order execution.
• spread_and_fees
  Round-trip spread economics: one-side notional in USD; full spread, fee per fill and adverse cost in basis points (1 bp = 0.01%). Negative fees are rebates. Returns results, conditions, assumptions, an editable link, share page and PNG. No account access or order execution.
• inventory_quotes
  Inventory quotes: mid and tick in USD, inventory weights in percent, spread/skew/cap in basis points. Skew is bps per 10 percentage points of inventory deviation. Returns results, conditions, assumptions, an editable link, share page and PNG. No account access or order execution.

Website · JSON · Text for agents · Registry updated 2026-10-16