MCP Server

Penny Rounding MCP Server

com.gumballtools/penny-rounding

What is the Penny Rounding MCP server?

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

Copy-paste configuration for popular MCP clients.

transport: http

Config generated by PluginBench — verify against the source before use.

~/.cursor/mcp.json

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

One MCP server exposing every tool in the Gumball portfolio.

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