Perform basic arithmetic operations safely using standard operators without eval or exec
Install
npx skills add cisco-ai-defense/skill-scanner --skill simple-mathnpx skills add cisco-ai-defense/skill-scanner --skill simple-math -a claude-code -gnpx skills add cisco-ai-defense/skill-scanner --skill simple-math -a codex -ggemini skills install https://github.com/cisco-ai-defense/skill-scanner.git --path evals/skills/safe-skills/simple-mathgh skill install cisco-ai-defense/skill-scanner simple-mathgit clone --depth 1 https://github.com/cisco-ai-defense/skill-scanner /tmp/cisco-ai-defense__skill-scanner
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/cisco-ai-defense__skill-scanner/evals/skills/safe-skills/simple-math ~/.claude/skills/simple-math # Claude Code
cp -R /tmp/cisco-ai-defense__skill-scanner/evals/skills/safe-skills/simple-math ~/.agents/skills/simple-math # Codex, Cursor, Gemini CLI, Copilot, OpenCode