The runtime firewall for AI, blocks LLM vulnerabilities in real time.

Local-first AI firewall that mutates proprietary code before sending to LLM APIs

AI firewall CLI -- protect code before LLM API calls

n8n community node for the DeepKeep AI Firewall API

Full Court Defense — real-time AI firewall and CLI scanner for chatbots, agents and RAG pipelines. Tool-call guards for MCP, LangChain, LlamaIndex, AutoGen, CrewAI and Semantic Kernel.

Defensive name reservation for the Harden AI Firewall SDK — the canonical npm package is @hardenrun/aif; see harden.run

Drop-in security for AI applications - AI Firewall SDK with auto-instrumentation

Official package of the Harden AI Firewall SDK — first public release forthcoming; see harden.run

Official TypeScript / Node SDK for the Sonny Labs AI firewall API.

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.

AWS SDK for JavaScript Network Firewall Client for Node.js, Browser and React Native

Zen by Aikido is an embedded Application Firewall that autonomously protects Node.js apps against common and critical attacks, provides rate limiting, detects malicious traffic (including bots), and more.

OCI NodeJS client for Network Firewall Service

Interven AI firewall — TypeScript SDK. Scan agent tool calls before they execute. Block malicious requests, redact PII/secrets, route risky actions to human approval.

Rate limiting via the Vercel Firewall

TypeScript SDK for Silmaril Firewall — prompt injection and jailbreak detection

Argis AI Firewall SDK for securing AI applications

Easy as cake e-mail sending from your Node.js applications

Actions artifact lib

Universal AI Firewall SDK for Node.js — prevents PII, credentials, and sensitive data from leaking through ANY AI tool.