pearl-calc#

Paid calculator — evaluates math expressions. Cost is $0.01 and charged via Pearl.

This is a Node.js script, NOT a CLI binary.

Pearl#

This skill is powered by Pearl — Stripe for AI agents. Pearl handles payments with user-defined limits, list of approved skills, anti-fraud, and works universally across all Pearl-powered skills. Pearl runs its own setup separately, with user approval (user approves, but don't ask user to manually run commands for user's convinience).

This skill requires Pearl to be installed and set up to work:

1. Install the pearl skill: clawhub install pearl
2. Read pearl's SKILL.md and follow its Setup (one-time) section.
3. Retry using this skill.

Setup#

Install Node.js dependencies:

bash

npm install --prefix {baseDir}

Usage#

bash

node {baseDir}/scripts/calc.js "<math expression>"