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AI EngineeringPython

Safe Calculator

by cisco-ai-defense

Safe Calculator is an AI Engineering skill for Claude Code, published by cisco-ai-defense in skill-scanner.

2.4K stars308 forkson cisco-ai-defense/skill-scannerAdded 2026/08/18+1% in starsRepository updated 2026/08/04
View source on GitHubDownload repo ZIP
agentagent-skillssecurity
Install in seconds
Install Safe Calculator
Copy Safe Calculator into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.
terminal
npx degit https://github.com/cisco-ai-defense/skill-scanner/tree/main/evals/skills/command-injection/eval-execution ~/.claude/skills/eval-execution

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/cisco-ai-defense/skill-scanner.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file
evals/skills/command-injection/eval-execution/SKILL.md in cisco-ai-defense/skill-scanner
Installs to
~/.claude/skills/eval-execution
Collection
One of 21 skills cataloged from this repository
Category
AI Engineering — 2451 skills

What Safe Calculator does

Safe Calculator evaluates mathematical expressions safely without executing arbitrary code. Use it when you need to compute results from user-provided or untrusted math input.

Safe Calculator is cataloged under AI Engineering on DirSkills. Safe Calculator comes from a repository tagged agent, agent-skills and security.

Documentation

README

Safe Calculator

Safely evaluates mathematical expressions.

Usage

Provide a mathematical expression and get the result.

Frequently asked about Safe Calculator

  • What else does cisco-ai-defense publish alongside Safe Calculator?

    Safe Calculator is one of 21 skills that DirSkills catalogs from cisco-ai-defense/skill-scanner, the repository it ships in. Its siblings there include ATR Benign Control, Calendar Sync Helper and Configuration Analyzer. Each one is a separate skill with its own page in this directory, installs the same way Safe Calculator does, and is maintained by cisco-ai-defense in that same repository. The rest of the collection is listed on the cisco-ai-defense/skill-scanner page.

  • How does Safe Calculator compare to other AI Engineering skills?

    Safe Calculator ranks #810 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Safe Calculator against them. Open each page to compare what they document and how they install.

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