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
1–24 of 33 · Most stars
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
Web Extension for saving a faithful copy of a complete web page in a single HTML file
- browser
- archive
- auto-save
- chrome
Community curated list of templates for the nuclei engine to find security vulnerabilities.
- nuclei-templates
- nuclei
- bugbounty
- security
Sandstorm is a self-hostable web productivity suite. It's implemented as a security-hardened web app package manager.
- capnproto
- decentralized
- sandstorm
- seccomp
scanner detecting the use of JavaScript libraries with known vulnerabilities. Can also generate an SBOM of the libraries it finds.
- vulnerabilities
- scanner
- firefox-extension
- grunt-plugins
Hide secrets with invisible characters in plain text securely using passwords 🧙🏻♂️⭐
- cryptography
- steganography
- compression
- functional-programming
HTML5 Security Cheatsheet - A collection of HTML5 related XSS attack vectors
A self-hosted UPI & COD payment gateway with zero per-transaction platform fees, universal JavaScript checkout integration, dynamic QR payments, WhatsApp OTP authentication, and automated payment verification.
Strategies to Gekko trading bot with backtests results and some useful tools.
- gekko
- strategies
- gekko-strategies
- gekko-backtest
Full featured library for Ethereum interaction with the JSON RPC API in swift. Native ABI parsing and smart contract interactions.
Collection of almost 40.000 javascript malware samples
- malware-samples
- malware-research
- javascript
- malware-jail
Passive API key and secret discovery browser extension for Chrome and Firefox. 80+ detection patterns, zero config.
- pentesting
- security
- chrome-extension
- api-keys
ClamAV antivirus scanning for Node.js — scan file uploads with a single function call. Zero dependencies. Typed Symbol verdicts. Local or Docker/clamd.
- clamscan
- file-scanner
- virus-scan
- docker-compose
Tiny hashing module that uses the native crypto API in Node.js and the browser
🔒Unified API for password hashing algorithms
Sandbox for semi-automatic Javascript malware analysis, deobfuscation and payload extraction. Written for Node.js
- malware-samples
- wscript
- deobfuscation
- angler
In-browser falling-sand simulation game with over 500 elements and thousands of reactions.
- browser-game
- cellular-automata
- cellular-automaton
- chemistry
Investigate suspicious activity by visualizing Sysmon's event log
- security
- kibana
- elasticsearch
- sysmon
Elliptic curve cryptography functions: Private Key, Public Key, Signature, AES, Encryption, Decryption
Agent skill to reverse engineer a SaaS product through the browser into a knowledge base for rebuilding it: screens, rules, data model, design tokens and production barriers, without touching production data.
Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
- anti-bot
- behavioral-analysis
- bot-detection
- captcha
Does their story hold up? Paste what a seller, recruiter or landlord told you and check it against public records in thirty seconds, with proof saved for every reason.
- desktop
- due-diligence
- evidence
- fraud