Security middleware that shields AI applications from prompt injection, jailbreaking, and obfuscated attacks through composable defense layers.

A modular security middleware toolkit for Express.js with built-in rate limiting, SQL injection protection, and XSS sanitization.

AI agent security & MCP security middleware — prompt injection detection, AI firewall, runtime guardrails & data-loss prevention for LLM tool calls. 8-layer defense against data exfiltration & dangerous commands. Zero dependencies. SDK + OpenClaw plugin.

Non-bypassable security middleware for mcpolyglot: scopes, redaction, audit, rate-limit, and untrusted-data wrapping.

🛡️ The ultimate web security configuration tool and library for Next.js applications. Features a powerful security middleware library, visual configuration interface, and CLI with industry-specific templates.

Hono security middleware: honeypot path blocker and mini WAF that stops vulnerability scanners (nuclei, nikto, sqlmap, dirbuster, wpscan), bad bots, and brute-force probes before they reach your routes. Optional IP strike/ban plus AbuseIPDB reporting. Zer

Security middleware to encrypt and decrypt body from REQUEST and RESPONSE

Production-grade, secure-by-default authentication, RBAC, session management, and API security middleware for Express & Node.js.

Vet your code before it ships — a free, open-source security co-pilot that checks for leaked secrets, vulnerable dependencies, missing security middleware, and personal data flow, with real working fixes shown inline.

AI Defense System — Production-ready security middleware for protecting AI applications from prompt injection, manipulation attacks, PII leakage, and adversarial inputs. Available as both 'aidefence' (British) and 'aidefense' (American).

Behavioral API security middleware for Express — detects bots, scrapers and session hijacking in real time

Security middleware for Neutron. CSP, CSRF protection, rate limiting, and secure cookie defaults.

A comprehensive security middleware package for Node.js applications

Enterprise-ready security middleware providing consistent secure environment across organizations

Security Middleware for identity server

Middleware to disable the X-XSS-Protection header

Content Security Policy middleware

Next-generation API security middleware suite for high-security Node.js platforms.

Security middleware for x402 payments — check before you pay

GraphQL IDE for better development workflows (GraphQL Subscriptions, interactive docs & collaboration).