Cpp Fuzz Testing
Automates C++ code fuzzing using libFuzzer to identify vulnerabilities and improve software robustness.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add cpp-fuzz-testing npx -- -y @trustedskills/cpp-fuzz-testing
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"cpp-fuzz-testing": {
"command": "npx",
"args": [
"-y",
"@trustedskills/cpp-fuzz-testing"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
This skill automates fuzz testing of C++ code. It leverages libFuzzer to generate test cases and identify potential vulnerabilities like crashes, memory leaks, or assertion failures. The tool helps improve the robustness and security of C++ applications by uncovering unexpected behavior.
When to use it
- Security Audits: Integrate into a CI/CD pipeline for automated vulnerability detection during code changes.
- Regression Testing: Ensure new features haven't introduced regressions in existing, critical code paths.
- Code Quality Improvement: Proactively identify and fix potential bugs before they reach production.
- Performance Optimization: Uncover performance bottlenecks triggered by unexpected inputs.
Key capabilities
- Automated test case generation using libFuzzer.
- Integration with CI/CD pipelines.
- Vulnerability identification (crashes, memory leaks).
- Regression testing support.
Example prompts
- "Run fuzz testing on the
parsermodule." - "Generate a report of all crashes found during fuzzing."
- "Fuzz test the
image_decoderwith increased mutation intensity."
Tips & gotchas
- Requires a C++ codebase and familiarity with libFuzzer concepts.
- Effective fuzz testing relies on well-defined entry points into the code being tested.
Tags
TrustedSkills Verification
Unlike other registries that point to live repositories, TrustedSkills pins every skill to a verified commit hash. This protects you from malicious updates — what you install today is exactly what was reviewed and verified.
Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
🌐 Community
Passed automated security scans.