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FFUF Web Fuzzing

Free

Integrates the ffuf web fuzzer so Claude can run fuzzing tasks and analyze results for vulnerabilities. *By [@jthack](https://github.com/jthack)*

FreeFree tier
Type
Open Source
Company
jthack
Visit Website GitHub (40 stars)

About FFUF Web Fuzzing

FFUF Skill for Claude Code is a skill that integrates the powerful web fuzzer ffuf (Fuzz Faster U Fool) for web security testing and reconnaissance tasks. It enables Claude Code to perform intelligent web fuzzing operations, making it easier to discover hidden directories, files, subdomains, and API endpoints. Features include intelligent fuzzing where Claude interprets user testing goals and configures ffuf appropriately, automatic filtering and analysis of ffuf output, safe defaults with rate limiting to avoid aggressive testing, and wordlist management to help select appropriate wordlists for different testing scenarios. The skill is designed for defensive security purposes only and includes ethical guidelines.

Key Features

Intelligent Fuzzing: Claude interprets testing goals and configures ffuf appropriately
Result Analysis: Automatic filtering and analysis of ffuf output
Safe Defaults: Includes rate limiting and sensible defaults to avoid aggressive testing
Wordlist Management: Helps select appropriate wordlists for different testing scenarios
Natural language interface for web fuzzing operations
Designed for defensive security with ethical guidelines

Pros & Cons

Pros
  • Enables natural language interaction with ffuf through Claude
  • Automatically configures ffuf based on user goals
  • Provides result analysis and interpretation of ffuf output
  • Includes safe defaults to prevent aggressive testing
  • Open source under MIT license
  • Free to use and install
Cons
  • Requires ffuf to be installed locally on the system
  • Only works within Claude Desktop or Claude Code environment
  • Intended only for authorized testing; unauthorized use is illegal
  • Limited to web fuzzing tasks; not a general-purpose security tool
  • May require some understanding of web security concepts

Best For

Discover hidden directories and files on web applicationsEnumerate subdomains for a target domainFind API endpoints and hidden pathsTest for backup files on specific pathsWeb security reconnaissance and vulnerability discovery

FAQ

Is this tool for hacking or unauthorized attacks?
No, this skill is designed for defensive security purposes only. You must only test systems you own or have explicit permission to test. Unauthorized testing is illegal and unethical.
What prerequisites are needed to use this skill?
FFUF must be installed on your system, and you need Claude Desktop application. The skill is installed by cloning the repository and copying the skill folder to Claude Code's skills directory.