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libfuzzer

Coverage-guided fuzzer built into LLVM for C/C++ projects. Use for fuzzing C/C++ code that can be compiled with Clang.

Packaged view

This page reorganizes the original catalog entry around fit, installability, and workflow context first. The original raw source lives below.

Stars
3,676
Hot score
99
Updated
March 20, 2026
Overall rating
A8.3
Composite score
6.8
Best-practice grade
B75.6

Install command

npx @skill-hub/cli install trailofbits-skills-libfuzzer

Repository

trailofbits/skills

Skill path: plugins/testing-handbook-skills/skills/libfuzzer

Coverage-guided fuzzer built into LLVM for C/C++ projects. Use for fuzzing C/C++ code that can be compiled with Clang.

Open repository

Best for

Primary workflow: Ship Full Stack.

Technical facets: Full Stack.

Target audience: Development teams looking for install-ready agent workflows..

License: Unknown.

Original source

Catalog source: SkillHub Club.

Repository owner: trailofbits.

This is still a mirrored public skill entry. Review the repository before installing into production workflows.

What it helps with

  • Install libfuzzer into Claude Code, Codex CLI, Gemini CLI, or OpenCode workflows
  • Review https://github.com/trailofbits/skills before adding libfuzzer to shared team environments
  • Use libfuzzer for development workflows

Works across

Claude CodeCodex CLIGemini CLIOpenCode

Favorites: 0.

Sub-skills: 0.

Aggregator: No.

libfuzzer | SkillHub