Penny Rounding

Name: Penny Rounding
Author: com.gumballtools

MCP serverMCP

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

Listed on its own since 2026-09-27. Until then it was part of cron-translator, where its earlier checks remain.

by com.gumballtoolsrepository ↗homepage ↗v0.1.0

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Evidence

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30-day availability47/47 checks ok

when	check	result	http	latency	detail
48 min ago	mcp initialize	ok	200	185 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools
7 h ago	mcp initialize	ok	200	162 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools
13 h ago	mcp initialize	ok	200	212 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools
20 h ago	mcp initialize	ok	200	158 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools
26 h ago	mcp initialize	ok	200	161 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools
33 h ago	mcp initialize	ok	200	156 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools
2 d ago	mcp initialize	ok	200	167 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools
2 d ago	mcp initialize	ok	200	152 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools
2 d ago	mcp initialize	ok	200	192 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools
2 d ago	mcp initialize	ok	200	217 ms	server penny-rounding 0.1.0 · protocol 2025-06-18 · 3 tools

Tools observed via MCP handshake

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

Declared by sources

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No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

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Official MCP Registrycom.gumballtools/penny-rounding

first seen 1 mo ago · fetched 18 h agoopen ↗

Field history (7 recent events)

13 d ago · declared · summary → "Round cash totals to the nearest nickel correctly — after tax, on the total, cash only."
13 d ago · declared · description → "Round cash totals to the nearest nickel correctly — after tax, on the total, cash only."
13 d ago · declared · publisherName → "com.gumballtools"
13 d ago · declared · homepageUrl → "https://penny-rounding.gumballtools.com"
13 d ago · declared · repoUrl → "https://github.com/bwalvoord/gumball"
13 d ago · declared · version → "0.1.0"
13 d ago · declared · protocols → ["mcp"]

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