The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Repository Index
47,133 repositories indexed
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React-based framework with performance, scalability, and security built in.
The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
- data-analysis
- data-manipulation
- encryption
- encoding
A boilerplate for Node.js web applications
Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.
- algorithm
- algorithm-challenges
- data-structures
- cryptography
The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.
- owasp
- code
- security
- cheatsheets
Deprecated in favour of Video.js 10; security updates only. Simple HTML5, YouTube and Vimeo player.
- html5-video
- youtube
- vimeo
- javascript
⚙️ NGINX config generator on steroids 💉
API, CLI, and Web App for analyzing and finding a person's profile in 1000 social media \ websites
- osint
- social-media
- analyzer
- username
Simple, unobtrusive authentication for Node.js.
Web Extension for saving a faithful copy of a complete web page in a single HTML file
- browser
- archive
- auto-save
- chrome
Loads environment variables from .env for nodejs projects.
- dotenv
- environment-variables
- javascript
- node
An open source cybersecurity protocol for syncing decentralized graph data.
JsonWebToken implementation for node.js http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html
DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:
The Privacy First PDF Toolkit
- jpgtopdf
- pdf-converter
- pdf-generation
Community curated list of templates for the nuclei engine to find security vulnerabilities.
- nuclei-templates
- nuclei
- bugbounty
- security
All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, security review, agent creation). Updated for each Claude Code version.
- claude-code
- claude-code-system-prompts
- system-prompts
Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening
Welcome to the page where you will find each trick/technique/whatever I have learnt in CTFs, real life apps, and reading researches and news.
- hacktricks
- pentesting
- hacking
- peass
OSINT Framework
- osint-framework
- osint-resources
- osint
- intelligence-gathering
The best IP Toolbox. Check your IP address & geolocation, test IP for WebRTC and DNS IP leaks, run an IP quality check, browser fingerprint check, website availability check, network speed test, global latency test, MTR test, Whois search, and more.
Your personal intelligence agent. Watches the world from multiple data sources and pings you when something changes.
A curated list of CTF frameworks, libraries, resources and softwares