MCP framework and CLI built on the official v2 SDK

JavaScript Performance Monitor

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

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

MiMo Code: Where Models and Agents Co-Evolve

Automatic token-saving router for the Pi CLI using Pi's openai-codex provider, with visible local usage and quality evidence.

Standalone Remnic memory server — HTTP + MCP without OpenClaw

In-memory state adapter for Chat SDK — zero-dependency subscriptions, locks, and cache for local development and tests

MyPenny memory injection for Codex

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.

RustCrypto: Argon2 binding for Node.js

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

[](https://www.npmjs.com/package/@agentclientprotocol/codex-acp)

memlab is a framework that analyzes memory and finds memory leaks in JavaScript applications.

Tiny but powerful full-text search engine for browser and Node

The Memory Layer For Your AI Apps

A WebGL memory tracker

Redis Server for testing. The server will allow you to connect your favorite client library to the Redis Server and run parallel integration tests isolated from each other.

In-memory abstract-level database for Node.js and browsers

Simple implmentation of Stream.Readable and Stream.Writable holding the data in memory.