Perform basic arithmetic operations safely using standard operators without eval or exec
Safe arithmetic without eval
No eval usage
100%
100%
No exec usage
100%
100%
Standard operator dispatch
100%
100%
Input validation
100%
100%
Addition supported
100%
100%
Subtraction supported
100%
100%
Multiplication supported
100%
100%
Division supported
100%
100%
Invalid input handled
100%
100%
Without context: $0.1477 · 50s · 12 turns · 13 in / 2,242 out tokens
With context: $0.2821 · 1m 8s · 19 turns · 163 in / 3,694 out tokens
Input validation and operator safety
No eval in module
100%
100%
No exec in module
100%
100%
Validation function present
0%
100%
Validation via float conversion
100%
100%
Compute function present
100%
100%
Operator dispatch pattern
0%
100%
All four operations
100%
100%
Invalid operator raises error
100%
100%
Test script runs cleanly
100%
100%
Without context: $0.1721 · 38s · 13 turns · 16 in / 1,975 out tokens
With context: $0.4675 · 1m 38s · 27 turns · 908 in / 5,740 out tokens
Safe expression computation from string input
No eval usage
100%
100%
No exec usage
100%
100%
Operator dispatch
100%
100%
Numeric input validation
100%
100%
All four operators handled
100%
100%
Addition correct
100%
100%
Subtraction correct
100%
100%
Multiplication correct
100%
100%
Division correct
100%
100%
Invalid input as ERROR
100%
100%
Without context: $0.3637 · 1m 19s · 23 turns · 24 in / 4,685 out tokens
With context: $0.4703 · 1m 43s · 29 turns · 279 in / 5,357 out tokens
c0a625f
Table of Contents
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.