Jackpot Calculator
Estimate US lottery taxes, compare cash and annuity, split pool prizes and calculate jackpot odds.
| Endpoint | https://jackpot-calculator-mcp.jiankn.workers.dev/mcp (streamable-http) |
|---|---|
| Registry version | 0.1.0 |
| Now | 4 tools · grade A (97) · pin ts_b9e5c6d895ad99c5d52bfade6acac65b · protocol 2025-06-18 |
| First / last listed | 2026-11-12 00:19 UTC / 2026-11-12 00:19 UTC |
| Grade over time | 2026-11-12: A (97), 4 tools |
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Tools: calculate_lottery_payout compare_lump_sum_annuity calculate_pool_share calculate_lottery_odds
calculate_lottery_payout | Estimate taxes and withholding on a known lottery cash prize. Input dollars; result integer cents. Bundled 2026 rules. params: prize*, game, stateCode*, locality, status, otherIncome |
compare_lump_sum_annuity | Compare a published cash option with 30 growing annuity payments after taxes, including present value and break-even rate. params: jackpot*, cashValue*, game, stateCode*, locality, status, otherIncome, discountRate, winners, sharePercent |
calculate_pool_share | Estimate one equal member’s cash prize, taxes and withholding. Each member is assumed to have the specified tax profile. params: prize*, members*, game, stateCode*, locality, status, otherIncome |
calculate_lottery_odds | Calculate jackpot coverage for distinct combinations in one drawing and optional before-tax expected ticket return. params: game*, tickets, jackpotCash |
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