Jackpot Calculator

Connect Remote server

claude mcp add --transport http jackpot-calculator https://jackpot-calculator-mcp.jiankn.workers.dev/mcp

{
  "mcpServers": {
    "jackpot-calculator": {
      "url": "https://jackpot-calculator-mcp.jiankn.workers.dev/mcp"
    }
  }
}

{
  "servers": {
    "jackpot-calculator": {
      "type": "http",
      "url": "https://jackpot-calculator-mcp.jiankn.workers.dev/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://jackpot-calculator-mcp.jiankn.workers.dev/mcp

Tools 4 found in our last check

• calculate_lottery_payout

  Estimate taxes and withholding on a known lottery cash prize. Input dollars; result integer cents. Bundled 2026 rules.

• compare_lump_sum_annuity

  Compare a published cash option with 30 growing annuity payments after taxes, including present value and break-even rate.

• calculate_pool_share

  Estimate one equal member’s cash prize, taxes and withholding. Each member is assumed to have the specified tax profile.

• calculate_lottery_odds

  Calculate jackpot coverage for distinct combinations in one drawing and optional before-tax expected ticket return.

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