SkillHub

math-evaluate

v1.0.0

Evaluate math expressions, compute statistics, and calculate percentages.

Sourced from ClawHub, Authored by CutTheMustard

Installation

Please help me install the skill `math-evaluate` from SkillHub official store. npx skills add CutTheMustard/math-evaluate

math-evaluate

Safe math expression evaluation with variables, descriptive statistics (mean, median, mode, stddev, percentiles), and percentage calculations.

Data Handling

This skill sends expressions to an external API for evaluation. The service does not store or log input data beyond the immediate response.

Endpoints

Evaluate Expression

curl -X POST https://math.agentutil.net/v1/evaluate 
  -H "Content-Type: application/json" 
  -d '{"expression": "2 * x + y", "variables": {"x": 20, "y": 2}}'

Statistics

curl -X POST https://math.agentutil.net/v1/statistics 
  -H "Content-Type: application/json" 
  -d '{"values": [10, 20, 30, 40, 50]}'

Returns: count, sum, mean, median, mode, min, max, range, variance, stddev.

Percentage

curl -X POST https://math.agentutil.net/v1/percentage 
  -H "Content-Type: application/json" 
  -d '{"operation": "change", "a": 100, "b": 125}'

Operations: of (a% of b), change (% change from a to b), is_what_percent (a is what % of b).

Response Format

{
  "result": 42,
  "expression": "2 * x + y",
  "variables_used": {"x": 20, "y": 2},
  "request_id": "abc-123",
  "service": "https://math.agentutil.net"
}

Pricing

  • Free tier: 10 queries/day, no authentication required
  • Paid tier: $0.001/query via x402 protocol (USDC on Base)

Privacy

No authentication required for free tier. No personal data collected. Rate limiting uses IP hashing only.