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fuzzing

80 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By BitterSecurity/Decepticon (GitHub) · coding · 6,581 stars · scanned at commit bdb1016

Coverage-guided fuzzing methodology for compiled binaries and libraries: target scoping, fuzzer selection (AFL++/libFuzzer/Honggfuzz), harness skeleton, ASan+UBSan flags, corpus curation, crash triage and minimization (afl-tmin/minimize_corpus), exploitability rubric. Outputs corpora and crashes to /workspace/. Triggers on: 'fuzz', 'fuzzing', 'AFL', 'libFuzzer', 'harness', 'crash triage', 'coverage-guided', 'afl-tmin', 'sanitizer', 'corpus'.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'fuzzing' ] || [ -L ~/.agents/skills/'fuzzing' ]; then echo 'A skill folder named fuzzing already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/BitterSecurity/Decepticon' "$d" && git -C "$d" checkout --quiet 'bdb1016c93ed687f61ac57481da298c25a47c8f5' -- 'packages/decepticon/decepticon/skills/standard/reverser/fuzzing' && mkdir -p ~/.agents/skills && cp -R "$d"/'packages/decepticon/decepticon/skills/standard/reverser/fuzzing' ~/.agents/skills/'fuzzing' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'fuzzing' ~/.claude/skills/'fuzzing' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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