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AI Primer

aflpp

trailofbitsby trailofbits5 months ago7.2k

Sets up and runs AFL++ for multi-core fuzzing of C/C++ projects built with afl-clang-fast or afl-gcc-fast. Covers instrumentation modes, parallel main and secondary campaigns, persistent mode, corpus minimization, and crash triage. Use when scaling fuzzing across cores, fuzzing a mature C/C++ codebase, reading the afl-fuzz status screen, or moving on after libFuzzer has plateaued.

Install

npx skills add https://github.com/trailofbits/skills --skill aflpp
Show step-by-step
  1. 1

    Open your terminal

    • Mac: Press ⌘ Space, type "Terminal", press Enter
    • Windows: Press Win R, type "cmd", press Enter
  2. 2

    Paste the command above and press Enter

    Use the Copy command button, then paste in your terminal (Mac: ⌘V, Windows: Ctrl V).

  3. 3

    Restart Claude Code

    Close and reopen Claude Code, or start a new session, so it picks up the new skill.

Where it lives
~/.claude/skills/trailofbits--skills--plugins--testing-handbook-skills--skills--aflpp/
├── SKILL.md
└── ... (skill resource files)
View on GitHub

Always review skill code before installing. Third-party skills may contain scripts that run on your machine.

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