testingtesting-security
characterization-testing
Guide for characterization testing - capturing current system behavior to enable safe refactoring. Use when working with legacy code, undocumented systems, or code that needs modification but lacks tests. Helps create a safety net before making changes by testing what the code actually does (not what it should do).
maintainer
moogah
Updated 1/16/2026
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quick start
Installation and usage
Guide for characterization testing - capturing current system behavior to enable safe refactoring. Use when working with legacy code, undocumented systems, or code that needs modification but lacks tests. Helps create a safety net before making changes by testing what the code actually does (not what it should do).
Installation
$ install --globalskills.sh
Usage
Once installed, you can use this skill by running the following command in your terminal:
skills use characterization-testing