Echidna Fuzzer

Quality score: 70/100 · Category: Security · Sub-category: appsec-tools

type:integration

Property-based testing and fuzzing using Echidna for smart contracts. Includes invariant definition, corpus management, coverage analysis, and CI/CD integration for comprehensive security testing.

What this skill does

Echidna Fuzzer is a production-ready Claude Code skill (quality score 70/100) in the appsec-tools sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/echidna-fuzzer/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Echidna Fuzzer skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/echidna-fuzzer
curl -L https://claudskills.com/skills/echidna-fuzzer/SKILL.md \
  -o ~/.claude/skills/echidna-fuzzer/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/echidna-fuzzer/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/echidna-fuzzer/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\echidna-fuzzer\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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