ossfuzz
Continuous fuzz testing infrastructure for open-source projects using Docker, sanitizers, and multiple fuzzing engines.
Install
npx skills add https://github.com/trailofbits/skills --skill ossfuzzStats
| Total installs | 1,171 |
| Weekly installs | 1.2K |
| GitHub stars | 4.0K |
| First seen | Jan 19, 2026 |
| Source | @trailofbits/skills |
Summary
- Provides CLI helper script for building Docker images, compiling fuzzers with sanitizers (AddressSanitizer, UndefinedBehaviorSanitizer), and running harnesses locally
- Supports multiple fuzzing engines (libFuzzer, AFL++) and languages (C/C++, Python via Atheris, Rust, Go) with language-specific base images
- Includes public bug tracker, build status dashboard, and Fuzz Introspector for coverage analysis and performance bottleneck identification
- Projects must meet criticality score threshold for public enrollment, but core is open-source for hosting private instances
Tags
Related skills
| Skill | Installs | vs ossfuzz |
|---|---|---|
| monitoring-expert | 1,235 | +64 |
| constant-time-analysis | 1,194 | +23 |
| substrate-vulnerability-scanner | 1,173 | +2 |
| test-master | 1,164 | -7 |
| libafl | 1,163 | -8 |
FAQ
- How many installs does ossfuzz have?
- ossfuzz has 1,171 total installs and 1.2K installs this week.
- Where is ossfuzz hosted?
- ossfuzz is published by @trailofbits/skills at https://github.com/trailofbits/skills.
- How many GitHub stars does ossfuzz have?
- ossfuzz has 4.0K GitHub stars.
- When was ossfuzz first indexed?
- OrangeBot.AI first indexed ossfuzz on Jan 19, 2026.
- How do I install ossfuzz?
- Run: npx skills add https://github.com/trailofbits/skills --skill ossfuzz