Security Patterns Agent Skill

Sensitive data patterns for security testing: API keys, credit cards, emails, SSNs, phone numbers, IPs, and more. Use for data discovery and validation.

14k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

352

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/Eyadkelleh/awesome-skills-security --skill security-patterns

The instruction itself

9 sections, as written by the author

SecLists Pattern-Matching

Description

Sensitive data patterns for security testing: API keys, credit cards, emails, SSNs, phone numbers, IPs, and more. Use for data discovery and validation.

Source: SecLists/Pattern-Matching

Repository: https://github.com/danielmiessler/SecLists

License: MIT

When to Use This Skill

Use this skill when you need:

API key detection in code/logs
Credit card validation testing
Email pattern matching
IP address discovery
SSN format validation
Phone number pattern testing

⚠️ IMPORTANT: Only use for authorized security testing, bug bounty programs, CTF competitions, or educational purposes.

Key Files in This Skill

api-keys.txt - API key patterns
credit-cards.txt - Credit card formats
email-addresses.txt - Email patterns
ip-addresses.txt - IP address patterns
ssn.txt - Social Security Number patterns
phone-numbers.txt - Phone number formats

Usage Example

# Access files from this skill
import os

# Example: Load patterns/payloads
skill_path = "references/Pattern-Matching"

# List all available files
for root, dirs, files in os.walk(skill_path):
    for file in files:
        if file.endswith('.txt'):
            filepath = os.path.join(root, file)
            print(f"Found: {filepath}")
            
            # Read file content
            with open(filepath, 'r', errors='ignore') as f:
                content = f.read().splitlines()
                print(f"  Lines: {len(content)}")

Security & Ethics

Authorized Use Cases ✅

Authorized penetration testing with written permission
Bug bounty programs (within scope)
CTF competitions
Security research in controlled environments
Testing your own systems
Educational demonstrations

Prohibited Use Cases ❌

Unauthorized access attempts
Testing without permission
Malicious activities
Privacy violations
Any illegal activities

Complete SecLists Collection

This is a curated subset of SecLists. For the complete collection:

Full repository: https://github.com/danielmiessler/SecLists
Size: 4.5 GB with 6,000+ files
All categories: Passwords, Usernames, Discovery, Fuzzing, Payloads, Web-Shells, Pattern-Matching, AI, Miscellaneous

Generated by Skill Seeker | SecLists Pattern-Matching Collection

License: MIT - Use responsibly with proper authorization

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How to use it

Copy the folder

Take eyadkelleh/security-patterns from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.