Individual skill

ruzzy

Sets up and runs Ruzzy, Trail of Bits' coverage-guided Ruby fuzzer and the only production-ready one for the language. Covers harness structure, fuzzing pure Ruby and the native C extensions in gems, and sanitizer builds. Use when fuzzing a Ruby library or gem, testing a Ruby C extension for memory safety, or asking how to fuzz Ruby at all.

plugins/testing-handbook-skills/skills/ruzzy/SKILL.md

Source commit e4dd0bb5b15535f7c5a0834187dffba6ac37e4ff

What was checked

Matches the observed repository HEAD

Yes

Scanner rules are current

Yes

Repository scan complete

No

Skill scan complete

No

Observed behavior

Network or broad shell

Last checked

Nov 7, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

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