mcpbeat

Calculator

exboys/calculator

A simple calculator that can add, subtract, multiply, and divide numbers. Use when the user needs to perform basic arithmetic operations.

443 tokens
context cost
the whole folder, loaded on every use
3
files
ships runnable scripts
0
copies elsewhere
how many repositories repackaged it
659
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository 
npx skills add https://github.com/EXboys/evotown --skill calculator

The instruction itself

3 sections, as written by the author

Calculator Skill

A simple calculator that performs basic arithmetic operations.

Usage

Provide an operation and two numbers to get the result.

Examples

  • Add: {"operation": "add", "a": 5, "b": 3} → 8
  • Subtract: {"operation": "subtract", "a": 10, "b": 4} → 6
  • Multiply: {"operation": "multiply", "a": 6, "b": 7} → 42
  • Divide: {"operation": "divide", "a": 20, "b": 4} → 5

How to use it

Copy the folder

Take exboys/calculator from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.