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atheris - Agent Skill - Agent Skills
Home/Skills/atheris

atheris

1,778

Sets up and runs Atheris, the coverage-guided Python fuzzer built on libFuzzer. Covers TestOneInput harnesses, FuzzedDataProvider, instrumenting both pure Python and native C extensions, and running under AddressSanitizer. Use when fuzzing a Python package, hunting memory corruption in a Python C extension, or choosing between Atheris and Hypothesis for a Python target.

Download FolderView on GitHub

CLI Install

Recommended

Use the skills CLI to install this skill with one command. Auto-detects all installed AI assistants.

Method 1 - skills CLI

npx skills i trailofbits/skills/plugins/testing-handbook-skills/skills/atheris

Method 2 - openskills (supports sync & update)

npx openskills install trailofbits/skills

Auto-detects Claude Code, Cursor, Codex CLI, Gemini CLI, and more. One install, works everywhere.

Installation Path

Download and extract to one of the following locations:

~/.claude/skills/atheris/
SKILL.md

Skill Instructions

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ClaudeClaude Sonnet 4.5
$0.20/task

Best for coding tasks

No setup required

Oops! Something went wrong

[next-mdx-remote-client] error compiling MDX: WebAssembly.instantiate(): Wasm code generation disallowed by embedder More information: https://mdxjs.com/docs/troubleshooting-mdx