Percentage Calculate

Percentage math. Modes: percent_of (a% of b), what_percent (a is what % of b), percent_change (from a to b).

This page documents the HTTP endpoint POST /api/tools/percentage-calculate/execute. See the MCP reference →

Call it over REST

POST https://api.findutils.com/api/tools/percentage-calculate/execute · no API keys · 60 requests/min per IP

Execute — verified arguments

curl -X POST https://api.findutils.com/api/tools/percentage-calculate/execute \
  -H "Content-Type: application/json" \
  -d '{
    "mode": "percent_of",
    "a": 20,
    "b": 50
  }'

Parameter schema for this endpoint

curl https://api.findutils.com/api/tools/percentage-calculate

Interactive docs · OpenAPI 3.1 spec · All REST tools

Input schema

Argument	Type	Required	Description
mode	string (percent_of \| what_percent \| percent_change)	yes	Calculation mode.
a	number	yes	First value.
b	number	yes	Second value.

Example arguments (verified)

{
  "mode": "percent_of",
  "a": 20,
  "b": 50
}

Also an MCP tool

Claude, Cursor, and any MCP client can call this tool as findutils:percentage_calculate after one connect command.

Connect once

claude mcp add findutils --transport http https://mcp.findutils.com/

Open the MCP reference for Percentage Calculate →

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