com.gumballtools/penny-rounding

up checked 2026-11-11T03:37:59.544Z

Unclaimed · Unverified

Publisher-provided title

Penny Rounding

Publisher-provided description

Round cash totals to the nearest nickel correctly — after tax, on the total, cash only.

Summary by lookupd

Computes cash-rounded totals to the nearest nickel, finds equivalent nearby list prices, and estimates rounding impact across transactions.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http penny-rounding https://penny-rounding.gumballtools.com/api/mcp

Codex, remote (streamable-http)

codex mcp add penny-rounding --url https://penny-rounding.gumballtools.com/api/mcp

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

{
  "mcpServers": {
    "penny-rounding": {
      "url": "https://penny-rounding.gumballtools.com/api/mcp"
    }
  }
}

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

Publisher-provided text

round_cash_total Settle a transaction under post-penny cash rounding: exact subtotal, tax on the exact subtotal, then round the final total to the nearest nickel — and only for
rounding_impact Compute what cash rounding is actually worth across a list of prices: mean delta per transaction, the up/down/unchanged split, and a per-thousand figure. Use t
price_band For a list price and a tax rate, find every nearby list price that settles to the SAME cash total, and the highest one. Use this for "what price should I charg

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/com.gumballtools/penny-rounding.svg)](https://lookupd.com/servers/com.gumballtools/penny-rounding)