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General Tools

jackpotcalculator.com

Provides lottery calculators for payout taxes, lump-sum versus annuity comparisons, pool shares, and jackpot odds.

1 endpoint4 known toolsFirst detected October 14, 2026Last detected October 14, 2026

ENDPOINT 1

https://jackpot-calculator-mcp.jiankn.workers.dev/mcp

No auth detected

MCP server metadata

Name
jackpot-calculator-mcp
Version
0.1.0
Capabilities
tools.listChanged
Server instructions

Lottery calculation estimates using a fixed 2026 snapshot. Monetary inputs are dollars. Payout results use integer cents; odds results use dollars. Read assumptions and sources. This server does not look up live jackpots.

Known tools 4

calculate_lottery_payout

Estimate taxes and withholding on a known lottery cash prize.

Inferred read-only
compare_lump_sum_annuity

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

Inferred read-only
calculate_pool_share

Estimate one equal member’s cash prize, taxes and withholding.

Inferred read-only
calculate_lottery_odds

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

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.jackpot-calculator-mcp]
url = "https://jackpot-calculator-mcp.jiankn.workers.dev/mcp"
enabled = true
Claude Code

.mcp.json

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

Settings → Connectors → Add custom connector

Name: jackpot-calculator-mcp
Remote MCP URL: https://jackpot-calculator-mcp.jiankn.workers.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

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

.vscode/mcp.json

Add to Visual Studio Code 
{
  "servers": {
    "jackpot-calculator-mcp": {
      "type": "http",
      "url": "https://jackpot-calculator-mcp.jiankn.workers.dev/mcp"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "jackpot-calculator-mcp",
  "transport": "streamable-http",
  "url": "https://jackpot-calculator-mcp.jiankn.workers.dev/mcp"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Trust Data Available

BuiltWith Trust API v2 evidence for workers.dev was fetched 2026-09-25T13:56:19.197Z.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.