io.github.jiankn/jackpot-calculator

up checked 2026-11-11T07:39:53.510Z

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Publisher-provided title

Jackpot Calculator

Publisher-provided description

Estimate US lottery taxes, compare cash and annuity, split pool prizes and calculate jackpot odds.

Summary by lookupd

Estimates US lottery taxes, compares lump sum versus annuity, splits pool prizes, and calculates jackpot odds and expected returns.

Install

Claude Code, remote (streamable-http)

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

Codex, remote (streamable-http)

codex mcp add jackpot-calculator --url https://jackpot-calculator-mcp.jiankn.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

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

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (4 tools)

Publisher-provided text

• 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.

Details

• Version: 0.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 401 ms
• First indexed: 2026-11-01T09:36:09.134Z
• Last seen in registry: 2026-11-01T09:36:09.134Z
• Repository: https://github.com/jiankn/jackpot-calculator-mcp
• Website: https://jackpotcalculator.com/mcp/

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