Performance and assurance harness for AI coding agents with repository intelligence, native architecture pulse, governed memory, security gates, and verifiable delivery.

EGC is a local-first MCP runtime that gives every AI agent the same brain: persistent shared memory, security guardrails, and up to 90% token savings across 20 AI coding tools.

PersonaFactory SDK — define, cache, and invoke AI personas with structured identity, memory, security, and tool access

The MetaMask Node module template

Memory adapter for Better Auth

help secure Express/Connect apps with various HTTP headers

Memory adapter for catbox

traverse and transform objects by visiting every node on a recursive walk

High Performance In-Memory Cache for Node.js

Security rules for eslint

Utilities for working with htmlparser2's dom

New Relic Security Agent for Node.js

ES Math-related intrinsics and helpers, robustly cached.

One CLI + one autonomous agent that does everything: coding, orchestration, tools, memory, security, and more.

A simple in-memory filesystem. Holds data in a javascript object.

Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

A micro-library of stream components for building custom JSON and JSONC processing pipelines with a minimal memory footprint — parse, filter, and transform JSON far larger than available memory with a SAX-inspired token API, on Node.js or Web Streams.

Parse Content Security Policy directives.

tar for node

Node.js atomic and non-atomic counters, rate limiting tools, protection from DoS and brute-force attacks at scale