calculator

name	calculator
description	Evaluate simple arithmetic expressions or operation payloads.
entrypoint	scripts/calculator.js
primaryEnv	node
user-invocable	true
disable-model-invocation	false

Use this skill when the user asks for arithmetic that can be computed directly.

Input contract (JSON or plain text):

• expression (string): Arithmetic expression with numbers, parentheses, and + - * /.
• OR operation (add|subtract|multiply|divide) and values (array of numbers).

Output contract (JSON):

• result: Numeric result.
• mode: expression or operation.

Examples:

• /calculator {"expression":"(12 + 8) / 4"}
• /calculator {"operation":"multiply","values":[3,7,2]}