ai-agent

log4j-finder: Secure Your App

Name: log4j-finder: Secure Your App
Author: fox-it

Find vulnerable Log4j2 versions with log4j-finder.

439 stars96 forksPythonGuide quality 8/10Updated 12/27/2022100% free · open source

What it does

Finds vulnerable Log4j2 versions on disk and inside Java Archive Files to mitigate Log4Shell vulnerabilities

When to use it

•You suspect your system may be exposed to Log4Shell attacks
•You need to scan your Java applications for vulnerable Log4j2 versions
•You want to proactively identify potential security risks in your Java-based infrastructure

Ready-to-paste prompt

python log4j-finder.py -d /usr/local/lib -f /path/to/example.jar

Heads up: Make sure you have Python 3.6 or higher installed, as the tool is not compatible with earlier Python versions

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/log4j-finder && curl -fsSL https://workflowstacks.com/api/skills/log4j-finder/claude-skill -o ~/.claude/skills/log4j-finder/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How log4j-finder: Secure Your App works

Codeflow

Free to inspect

Log4j-finder: Secure Your App is a tiny Python project (~350 lines across 1 code files). Setup is light: install Python, run one command. Last commit 45 months ago, MIT license, no tests found.

Size

Tiny codebase

~350 lines · 1 code files · 3 min skim

Setup

Light setup

Install Python, run one command.

Runs on

Python

No API keys detected

Python 100%

Where to start reading

1
README.md
Start here — what it does and how to install it
2
requirements.txt
Dependencies and the commands it exposes

What's in each folder

.github/CI / automation (GitHub Actions)1 files

READMENo tests foundThin docsCI checksMIT licenseLast update 45 mo ago