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webhint's axe-based accessibility configuration for WCAG 2.1 Level A and Level AA requirements

Open-source LLM prompt injection defense — protect any AI app in 2 lines of Python

Offline password breach checking using ribbon filters. Check passwords against HIBP (2B+ passwords) and other breach datasets locally, with zero API calls.

Introducing safez-cryptx, the npm package that sets a new standard in data encryption for developers working across both Node.js and browser environments.safez-cryptx focuses on providing developers with advanced AES-CBC symmetric encryption capabilities

Native TypeScript implementation of SecureShell - AI-powered command execution gatekeeper

A tool to watch over node module resolutions and overrides

Skill para Claude, Codex, Cursor e outros agentes: check pré-lançamento do seu app com 20 checagens de segurança + 10 de prontidão (Lovable, Bolt, Replit, React, Next, Laravel, Django, Spring, Go…). Por Paulo Sérgio Dantas.

The linting tool for the web

A storage library for react

raon the javascript util

Prompt injection payload library and automated LLM endpoint tester

Runtime firewall for LLMs — policy-as-code, PII scrubbing, SHA-256 audit chain and HITL dashboard. EU AI Act + NIST AI RMF compliant.

Advanced CAPTCHA library

Claude Code plugin: 5 agentes de revisión de código (seguridad, calidad, convenciones frontend, esquema BD, testing) + skill de arquitectura multi-tenant para SaaS, derivada de una auditoría real que encontró y corrigió 5 vulnerabilidades IDOR.

hint for HTTP compression related best practices

hint that that checks using Cloudinary's API if images are optimized

Require scripts and styles to use Subresource Integrity

Official Tiptap extension for PromptShield - Protect your editor from Prompt Injection and Trojan Source attacks in real-time.

OLPC JSON canonicalization

A lightweight, zero-dependencies open-source password validator according to NIST guidelines.